Acme Ball Screws

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CHAPTER 4Acme and Ball Screws & Nuts

Acme Screws & Nuts– Page 83Acme Screws & Nuts– Page 83

Ball Screws & Nuts– Page 95Ball Screws & Nuts– Page 95

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Acme Screws & Nuts Selection Guide

PHOTOGRAPH DESCRIPTION PAGE

Acme Lead Screws - Inch 84Stock lengths up to 6 feet

Acme Lead Screws - Metric 85Stock lengths up to 2 meters

Anti-Backlash SupernutsTM - Inch/MetricThread Mount 86Nominal diameters to 1"Design loads up to 400 lbs.

Advanced Anti-Backlash SupernutsTM - Inch/MetricThread and flange mount nominal diameters up to 1" 87Design loads up to 350 lbs. Spring for Anti-Backlash protectedby housing

SupernutsTM - Inch/MetricThread Mount 91Our most economical thread mount nutNominal diameters up to 1"Design loads up to 400 lbs.

Flange Mount SupernutsTM - Inch 92Our most economical flange mount nut, nominal diametersup to 3/4". Design loads up to 275 lbsFlange Mount SupernutsTM - Metric 93Our most economical flange mount nut, nominal diametersup to 16 mm. Design loads up to 175 lbs

Bronze Nuts - Inch 94High load capacity. Nominal diameters to 1"Design loads up to 1900 lbs.

Standard Nut Mounting Flanges 94These flanges are matched to our thread mount nuts





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FEATURES

� Centerless ground and standard rolled

� 2G threadform

� Lead accuracy of + 0.010" per foot

� Straightness of 0.010" per foot

� 300 series stainless steel

Acme Lead Screws (Inch)

* Single start screws. May be ordered in left-hand on special order.Fast lead high helix lead screws.

Screw Size Code Screw SizeO.D. - # Thds. - Starts

25201251613108231084311223708137084370553704537101371023711437121371223716143082430845010150102620816210162102750617508175101100051000810010

HB11SA-

Length in Feet

* 1/4 - 20 - 1st* 1/4 - 16 - 1st

5/16 - 8 - 2st5/16 - 8 - 4st5/16 - 12 - 2st

* 3/8 - 8 - stub3/8 - 8 - 4st3/8 - 5 - 5st3/8 - 4 - 5st

* 3/8 - 10 - 1st3/8 - 10 - 2st3/8 - 11 - 4st

* 3/8 - 12 - 1st3/8 - 12 - 2st

* 3/8 - 16 - 1st7/16 - 8 - 2st7/16 - 8 - 4st

* 1/2 - 10 - 1st1/2 - 10 - 2st

* 5/8 - 8 - stub* 5/8 - 10 - 1st

5/8 - 10 - 2st* 3/4 - 6 - 1st* 3/4 - 8 - 1st* 3/4 - 10 - 1st

1 - 5 - 1st1 - 8 - 1st1 - 10 - 1st

Leadin.

Length feet

1, 3 & 6

Root Dia.in.

ACME LEAD SCREW SELECTION

CATALOG NUMBER

2, 4 & 6

.19

.17

.23

.23

.23

.29

.27

.24

.24

.26

.26

.27

.28

.31

.30

.36

.36

.39

.39

.52

.52

.52

.56

.61

.63

.78

.86

.88

.050

.063

.250

.500

.167

.125

.5001.0001.200.100.200.375.083.167.063.250.500.100.200.125.100.200.167.125.100.200.125.100

\\\\\\

1 & 3

(Acme Nuts Purchased Separately)





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Acme Lead Screws (Metric)

FEATURES

� Centerless ground and standard rolled

� 2G threadform

� Lead accuracy of + 0.010" per foot

� Straightness of 0.010" per foot

� 300 series stainless steel

* Single start screws. May be ordered in left-hand on special order.

ScrewSize Code

Screw Size mmO.D. - #Thds. - Starts

10021 * 10 - 0.500 - 1st 7.87 210031 * 10 - 0.333 - 1st 6.86 310206 10 - 0.300 - 6st 7.62 20 05012052 12 - 0.400 - 2st 8.89 5 10016041 * 16 - 0.250 - 1st 11.43 4 20020041 * 20 - 0.250 - 1st 15.49 424051 * 24 - 0.200 - 1st 18.54 5

HB11SAM

Lengthin

Centimeters

Leadmm

Lengthcm

Root Dia.mm

ACME LEAD SCREW SELECTION

CATALOG NUMBER

\\\\\\\\(Acme Nuts Purchased Separately)





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MATERIAL: Acetal with PTFETEMPERATURE RANGE: Min. 32°F, Max. 180°F INCH

All dimensions are expressedin inches, unless otherwise noted.

ANTI-BACKLASH SUPERNUTS™

Anti-Backlash SUPERNUTS™

Screw Size L Pre Max Effi- DragO.D. - # Thds. Load Design Static ciency Torque Flange

Catalog Number - Starts Lead OD Min. Max. C TH (lbs) Load Load % (oz-in) HB250F-

METRIC

HB22SNM10021AB 10 - 0.5 - 1 2 .75 1.16 1.34 .250 5/8-18 2 - 5 70 lbs 350 lbs 41 2 - 4 037HB22SNM10031AB 10 - 0.333 - 1 3 .75 1.16 1.34 .250 5/8-18 2 - 5 70 lbs 350 lbs 53 2 - 4 037HB22SNM10206AB 10 - 0.3 - 6 20 .75 1.16 1.34 .250 5/8-18 2 - 5 70 lbs 350 lbs 81 2 - 4 037HB22SNM12052AB 12 - 0.4 - 2 5 1.00 1.70 2.00 .375 15/16-16 4 - 9 100 lbs 500 lbs 59 3 - 5 050HB22SNM16041AB 16 - 0.25 - 1 4 1.00 1.70 2.00 .375 15/16-16 4 - 9 160 lbs 800 lbs 47 7 - 10 050HB22SNM20041AB 20 - 0.25 - 1 4 1.75 2.50 3.00 .600 1 9/16-18 10 - 20 300 lbs 1500 lbs 41 15 - 20 100HB22SNM24051AB 24 - 0.2 - 1 5 1.75 2.50 3.00 .600 1 9/16-18 10 - 20 300 lbs 1500 lbs 42 15 - 20 100

HB22SN-25161AB 1/4 - 16 - 1st .063 .625 1.125 1.25 .187 9/16 - 18 1 - 3 25 lbs 225 lbs 48 025HB22SN-25201AB 1/4 - 20 - 1st .050 41HB22SN-31082AB 5/16 - 8 - 2st .250 72HB22SN-31084AB 5/16 - 8 - 4st .500 .750 1.160 1.34 .250 5/8 - 18 2 - 5 50 lbs 350 lbs 80HB22SN-31122AB 5/16 - 12 - 2st .167 65HB22SN-37081AB 3/8 - 8 - stub .125 53HB22SN-37084AB 3/8 - 8 - 4st .500 79 2 - 4HB22SN-37101AB 3/8 - 10 - 1st .100 49 037HB22SN-37102AB 3/8 - 10 - 2st .200 .750 1.160 1.34 .250 5/8 - 18 2 - 5 70 lbs 350 lbs 65HB22SN-37114AB 3/8 - 11 - 4st .375 75HB22SN-37121AB 3/8 - 12 - 1st .083 44HB22SN-37122AB 3/8 - 12 - 2st .167 60HB22SN-37161AB 3/8 - 16 - 1st .063 36HB22SN-43082AB 7/16 - 8 - 2st .250 1.000 1.700 2.00 .375 15/16 - 16 4 - 9 100 lbs 500 lbs 65 3 - 5HB22SN-43084AB 7/16 - 8 - 4st .500 76HB22SN-50042AB 1/2 - 4 - 2st .500 75HB22SN-50101AB 1/2 - 10 - 1st .100 1.000 1.700 2.00 .375 15/16 - 16 4 - 9 150 lbs 750 lbs 41 5 - 8 050HB22SN-50102AB 1/2 - 10 - 2st .200 57HB22SN-62081AB 5/8 - 8 - stub .125 40HB22SN-62101AB 5/8 - 10 - 1st .100 1.000 1.700 2.00 .375 15/16 - 16 4 - 9 160 lbs 800 lbs 35 7 - 10HB22SN-62102AB 5/8 - 10 - 2st .200 51HB22SN-75061AB 3/4 - 6 - 1st .167 44HB22SN-75081AB 3/4 - 8 - 1st .125 1.750 2.500 3.00 .375 1-9/16-18 10 - 20 300 lbs 1500 lbs 36 15 - 20HB22SN-75101AB 3/4 - 10 - 1st .100 31 100HB22SN-10005AB 1 - 5 - 1st .200 41HB22SN-10008AB 1 - 8 - 1st .125 1.750 2.500 3.00 .600 1-9/16-18 10 - 20 400 lbs 2000 lbs 29 15 - 20HB22SN-10010AB 1 - 10 - 1st .100 25

Screw Size O.D. L Pre Max Effi- Drag(mm) - # Thds. Lead Load Design Static ciency Torque Flange

Catalog Number (mm) - Starts (mm) OD Min. Max. C TH (lbs) Load Load % (oz-in) HB250F-





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Advanced Anti-Backlash SUPERNUTS™



ADVANCEDANTI-BACKLASH SUPERNUTS™

� Features reduced drag

HB27SN-25161AB 1/4 - 16 - 1st .063 48 .64 1.18 .187 9/16-18 10 lbs < 1 025HB27SN-25201AB 1/4 - 20 - 1st .050 41 (max)HB27SN-31082AB 5/16 - 08 - 2st .125 65HB27SN-31084AB 5/16 - 08 - 4st .500 80HB27SN-31122AB 5/16 - 12 - 2st .167 72HB27SN-37045AB 3/8 - 04 - 5st 1.200 82HB27SN-37055AB 3/8 - 05 - 5st 1.000 82HB27SN-37081AB 3/8 - 08 - 1st .125 53HB27SN-37084AB 3/8 - 08 - 4st .500 79 .82 1.875 .25 5/8 - 18 25 lbs 1 - 3 037HB27SN-37101AB 3/8 - 10 - 1st .100 49 (max)HB27SN-37102AB 3/8 - 10 - 2st .200 65HB27SN-37114AB 3/8 - 11 - 4st .375 75HB27SN-37121AB 3/8 - 08 - 4st .500 79HB27SN-37122AB 3/8 - 12 - 4st .500 79HB27SN-37161AB 3/8 - 16 - 1st .063 36HB27SN-43082AB 7/16 - 08 - 2st .250 65HB27SN-43084AB 7/16 - 08 - 4st .500 76 1.12 2.25 .375 15/16 - 16 125 lbs 1 - 3 050HB27SN-50101AB 1/2 - 10 - 1st .100 41 (max)HB27SN-50102AB 1/2 - 10 - 2st .200 57HB27SN-62081AB 5/8 - 08 - 1st .125 40HB27SN-62101AB 5/8 - 10 - 1st .100 35 1.40 2.60 .50 1.25 - 16 175 lbs 2 - 6 1250HB27SN-62102AB 5/8 - 10 - 2st .200 51 (max)HB27SN-75061AB 3/4 - 10 - 1st .100 31HB27SN-75081AB 3/4 - 08 - 1st .125 36 1.63 2.90 .50 1 3/8 - 16 250 lbs 3 - 10 075HB27SN-75101AB 3/4 - 06 - 1st .167 44 (max)HB27SN-10005AB 1 - 05 - 1st .200 41HB27SN-10008AB 1 - 08 - 1st .125 29 1.88 3.00 .60 1 9/16 - 18 350 lbs 5 - 15 100HB27SN-10010AB 1 - 10 - 1st .100 25 (max)

HB27SNM10021AB 10 - 0.5 - 1 2 41 .82 1.875 .250 5/8 - 18 25 lbs 1 - 3 037 HB27SNM10031AB 10 - 0.333 - 1 3 53 .82 1.875 .250 5/8 - 18 25 lbs 1 - 3 037 HB27SNM10206AB 10 - 0.3 - 6 20 81 .82 1.875 .250 5/8 - 18 25 lbs 1 - 3 037 HB27SNM12052AB 12 - 0.4 - 2 5 59 1.12 2.250 .375 15/16 - 16 125 lbs 1 - 3 050 HB27SNM16041AB 16 - 0.25 - 1 4 47 1.40 2.600 .500 1.25 - 16 175 lbs 2 - 6 1250 HB27SNM20041AB 20 - 0.25 - 1 4 41 1.64 2.900 .500 1 3/8 - 16 250 lbs 3 - 10 075 HB27SNM24051AB 24 - 0.2 - 1 5 42 1.88 3.000 .600 1 9/16 - 18 350 lbs 5 - 15 100

Screw Size Effi- Nut Dimensions DragO.D. - # Thds. ciency Design Torque Flange

Catalog Number - Starts Lead % OD L C TH Load oz-in HB250F-

Screw Size O.D. Effi- Nut Dimensions Dragmm - # Thds. Lead ciency Design Torque Flange

Catalog Number mm - Starts mm % OD L C TH Load (oz-in) HB250F-

METRIC





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1/4" screw size O.D. only.7/16", 1/2" and 5/8" screw size O.D.

SIDE VIEW

FRONT VIEWS

5/16" and 3/8" and screw size O.D.

HB27FT-25201AB 1/4 - 20 1st .050 41 .64 1.180 1.19 .141 .16 .900 100 lbs <1HB27FT-25161AB 1/4 - 16 - 1st .630 48HB27FT-31122AB 5/16 - 12 - 2st .167 65 .82 1.875 1.50 .200 .20 1.125 250 lbs 1-3HB27FT-31082AB 5/16 - 8 - 2st .250 72HB27FT-31084AB 5/16 - 8 - 4st .500 80HB27FT-37161AB 3/8 - 16 - 1st .063 36HB27FT-37121AB 3/8 - 12 - 1st .083 44HB27FT-37101AB 3/8 - 10 - 1st .100 49HB27FT-37081AB 3/8 - 08 - 1st .125 53HB27FT-37122AB 3/8 - 12 - 2st .167 60 .82 1.875 1.50 .200 .20 1.125 250 lbs 1-3HB27FT-37102AB 3/8 - 10 - 2st .200 65HB27FT-37114AB 3/8 - 11 - 4st .375 75HB27FT-37084AB 3/8 - 08 - 4st .500 79HB27FT-37055AB 3/8 - 05 - 5st 1.000 82HB27FT-37045AB 3/8 - 04 - 5st 1.200 82HB27FT-43082AB 7/16 - 08 - 2st .250 65HB27FT-43084AB 7/16 - 08 - 4st .500 76 1.12 2.250 1.75 .200 .30 1.406 125 lbs 1-3HB27FT-50101AB 1/2 - 10 - 1st .100 41HB27FT-50102AB 1/2 - 10 - 2st .200 57HB27FT-62101AB 5/8 - 10 - 1st .100 35HB27FT-62081AB 5/8 - 08 - 1st .125 40 1.40 2.600 2.13 .220 .50 1.688 175 lbs 2-6HB27FT-62102AB 5/8 - 10 - 2st .200 51

Screw Size Effi- Drag- Catalog O.D. - # Thds ciency L Design Torque Number Starts Lead % OD (Max) D E F BCD Load oz-in

� Features reduced drag.





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MATERIAL: Acetal with PTFETEMPERATURE RANGE: Min. 32°F, Max. 180°F METRIC




10 mm screw size O.D. only

12 and 16 mm screw size O.D.

Screw Size O.D. Effi- Drag-Catalog mm - # Thds Lead ciency L Design TorqueNumber mm - Starts mm % OD (Max) D E F BCD Load (oz-in)

HB27FTM10021AB 10 - 0.5 - 1st 2 41 .82 1.875 1.50 .20 .20 1.125 25 lbs 1-3HB27FTM10031AB 10 - 0.33 - 1st 3 53 .82 1.875 1.500 20 .20 1.125 25 lbs 1-3HB27FTM10206AB 10 - 0.3 - 6st 20 81 .82 1.875 1.50 .20 .20 1.125 25 lbs 1-3HB27FTM12052AB 12 - 0.4 - 2st 5 59 1.12 2.250 1.75 .20 .30 1.406 125 lbs 1-3HB27FTM16041AB 16 - 0.25 - 1 4 47 1.40 2.600 2.13 .22 .50 1.688 175 lbs 2-6






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FEATURES

� Low Cost � Low Friction � Self-Lubricating

� Non-Corrosive � Lightweight

HB28FT-37045AB 3/8 - 04 - 5st 1.200 82HB28FT-37055AB 3/8 - 05 - 5st 1.000 82HB28FT-37081AB 3/8 - 08 - 1st .125 53HB28FT-37084AB 3/8 - 08 - 4st .500 79HB28FT-37101AB 3/8 -10 - 1st .100 49HB28FT-37102AB 3/8 - 10 - 2st .200 65HB28FT-37114AB 3/8 - 11 - 4st .364 75 10 lbs 2 - 5 .77 2.00 .20 1.50 .20 .06 .71 1.125

HB28FT-37121AB 3/8 - 12 - 1st .083 44HB28FT-37122AB 3/8 - 12 - 2st .167 60HB28FT-37161AB 3/8 -16 - 1st .063 36HB28FT-43082AB 7/16 - 08 - 2st .250 65HB28FT-43084AB 7/16 - 08 - 4st .500 76

HB28FTM10021AB 10 - 0.5 - 1st 2 41HB28FTM10031AB 10 - 0.333 - 1st 3 53 10 lbs 2 - 5 .77 2.00 .20 1.50 .20 .06 .71 1.125HB28FTM10206AB 10 - 0.30 - 6st 20 81

ADVANCEDANTI-BACKLASH SUPERNUTSTM


Metric

Screw Size Effi- DragO.D. - # Thds. - Lead ciency Design Torque

Catalog Number Starts % Load oz - in OD L C D E F G BCD

Screw Size O.D. Drag mm - # Thds. Lead Effi- Design Torque

Catalog Number mm Starts mm ciency Load (oz - in) OD L C D E F G BCD







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Thread Mount SUPERNUTS™

THREAD MOUNT SUPERNUTS™


HB21SN-25161 1/4 - 16 - 1st .063 48 .625 .500 .187 9/16-18 45 lbs 225 lbs 025HB21SN-25201 1/4 - 20 - 1st .050 41HB21SN-31082 5/16 - 8 - 2st .250 72HB21SN-31084 5/16 - 8 - 4st .500 80 .750 .750 .250 5/8-18 70 lbs 350 lbs 037HB21SN-31122 5/16 - 12 - 2st .167 65HB21SN-37081 3/8 - 8 - stub .125 53HB21SN-37084 3/8 - 8 - 4st .500 79HB21SN-37101 3/8 - 10 - 1st .100 49HB21SN-37102 3/8 - 10 - 2st .200 65HB21SN-37114 3/8 - 11 - 4st .375 75 .750 .750 .250 5/8-18 70 lbs 350 lbs 037HB21SN-37121 3/8 - 12 - 1st .083 44HB21SN-37122 3/8 - 12 - 2st .167 60HB21SN-37161 3/8 - 16 - 1st .063 36HB21SN-43082 7/16 - 8 - 2st .250 65 1.000 1.000 .375 15/16-16 100 lbs 500 lbs 050HB21SN-43084 7/16 - 8 - 4st .500 76HB21SN-50042 1/2 - 4 - 2st .500 75HB21SN-50101 1/2 - 10 - 1st .100 41 1.000 1.000 .375 15/16-16 150 lbs 750 lbsHB21SN-50102 1/2 - 10 - 2st .200 57 050HB21SN-62081 5/8 - 8 - stub .125 40HB21SN-62101 5/8 - 10 - 1st .100 35 1.000 1.000 .375 15/16-16 160 lbs 800 lbsHB21SN-62102 5/8 - 10 - 2st .200 51HB21SN-75061 3/4 - 6 - 1st .167 44HB21SN-75081 3/4 - 8 - 1st .125 36 1.500 1.500 .500 1 3/8-16 300 lbs 1500 lbsHB21SN-75101 3/4 - 10 - 1st .100 31 075HB21SN-10005 1 - 5 -1st .200 41HB21SN-10008 1 - 8 - 1st .125 29 1.500 1.500 .500 1 3/8-16 400 lbs 2000 lbsHB21SN-10010 1 - 10 - 1st .100 25

HB21SNM10021 10 - 0.5 - 1 2 41 .75 .75 .250 5/8-18 70 lbs 350 lbs 037HB21SNM10031 10 - 0.333 - 1 3 53 .75 .75 .250 5/8-18 70 lbs 350 lbs 037HB21SNM10206 10 - 0.3 - 6 20 81 .75 .75 .250 5/8-18 70 lbs 350 lbs 037HB21SNM12052 12 - 0.4 - 2 5 59 1.00 1.00 .375 15/16-16 100 lbs 500 lbs 050HB21SNM16041 16 - 0.25 - 1 4 47 1.00 1.00 .375 15/16-16 160 lbs 800 lbs 050HB21SNM20041 20 - 0.25 - 1 4 41 1.50 1.50 .500 1- 3/8-16 300 lbs 1500 lbs 075HB21SNM24051 24 - 0.2 - 1 5 42 1.50 1.50 .500 1- 3/8-16 300 lbs 1500 lbs 075

Screw Size O.D. Effi- Design Maxmm - # Thds. Lead ciency A B C Load Static Flange

Catalog Number mm - Starts mm % (in) (in) (in) TH (lbs) Load HB250F-

Metric

Screw Size Effi- MaxO.D.- # Thds. - ciency Design Static Flange

Catalog Number Starts Lead % OD L C TH Load Load HB250F-






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HB29FT-25161 1/4 - 16 - 1st .063 48 25 lbsHB29FT-25201 1/4 - 20 - 1st .050 41HB29FT-31082 5/16 - 8 - 2st .250 72 .50 .75 1.00 .14 .15 .75HB29FT-31084 5/16 - 08 - 4st .500 80 50 lbsHB29FT-31122 5/16 - 12- 2st .167 65HB29FT-37045 3/8 - 04 - 5st 1.200 82HB29FT-37055 3/8 - 05 - 5st 1.000 82HB29FT-37081 3/8 - 08 - 1st .125 53HB29FT-37084 3/8 - 08 - 4st .500 79HB29FT-37101 3/8 - 10 - 1st .100 49HB29FT-37102 3/8 - 10 - 2st .200 65 60 lbs N/A .71 1.50 1.50 .20 .20 1.125HB29FT-37114 3/8 - 11 - 4st .375 75HB29FT-37121 3/8 - 12 - 1st .083 44HB29FT-37122 3/8 - 12 -2st .167 60HB29FT-37161 3/8 - 16 - 1st .063 36HB29FT-43082 7/16 - 08 - 2st .250 65 75 lbsHB29FT-43084 7/16 - 08 - 4st .500 76HB29FT-50101 1/2 - 10 - 1st .100 41 125 lbs .75 1.50 1.50 .20 .25 1.125HB29FT-50102 1/2 - 10 - 2st .200 57HB29FT-62081 5/8 - 08 - 1st .125 40HB29FT-62101 5/8 - 10 - 1st .100 35 175 lbs .88 1.63 1.50 .20 .300 1.188HB29FT-62102 5/8 - 10 - 2st .200 51HB29FT-75061 3/4 - 06 - 1st .167 44HB29FT-75081 3/4 - 08 - 1st .125 36 275 lbs 1.125 1.75 2.00 .20 .300 1.438HB29FT-75101 3/4 - 10 - 1st .100 31

Flange Mount SUPERNUTS TM

FLANGE MOUNT SUPERNUTSTM


Screw Size Effi-O.D. - # Thds. - Lead ciency Design Drag

Catalog Number Starts in. % Load Torque A B D E F BCD


3/8" and 7/16" screw size O.D. only.

1/4", 5/16", 1/2", 5/8" and 3/4" screw size O.D.





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Flange Mount SUPERNUTS TM

FLANGE MOUNT SUPERNUTSTM

MATERIAL: Acetal with PTFETEMPERATURE RANGE: Min. 32°F, Max. 180°F METRIC


10 mm screw size O.D. only

HB29FTM10021 10 - 0.5 - 1 2 41 75 lbs .71 1.50 1.50 .20 .20 1.125HB29FTM10031 10 - 0.333 - 1 3 53 75 lbs .71 1.50 1.50 .20 .20 1.125HB29FTM10206 10 - 0.3 - 6 20 81 75 lbs N/A .50 .75 1.00 .14 .15 .750HB29FTM12052 12 - 0.4 - 2 5 59 125 lbs .75 1.50 1.50 .20 .25 1.125HB29FTM16041 16 - 0.25- 1 4 47 175 lbs .88 1.63 1.50 .20 .30 1.188

Screw Size O.D. Effi-mm - # Thds. Lead ciency Design Drag

Catalog Number mm - Starts mm % Load Torque A B D E F BCD

12 mm and 16 mm screw size O.D.





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MATERIAL: Bronze SAE 660TEMPERATURE RANGE: Min. -65°F, Max. 250°FFRICTION COEFFICIENT: 0.2 to 0.3 INCH

THREAD MOUNTSTANDARD NUT STYLE


Bronze Nuts

FOR SUPERNUTS™ & BRONZE NUTS

Standard Mounting Flanges

Screw Size Max Torque ToO.D. - # Thds. Design Static Raise 1 lb Flange

Catalog Number Starts Lead OD L C TH Load Load oz - in HB250F-HB20BN-25201 1/4 - 20 - 1st .050 .625 .625 .187 9/16/18 110 lbs 550 lbs .41 025HB20BN-25161 1/4 - 16 - 1st .063HB20BN-37101 3/8 - 10 - 1st .100 .67HB20BN-37121 3/8 - 12 - 1st .083 .750 .750 .250 5/8/18 300 lbs 1500 lbs .64 037HB20BN-37161 3/8 - 16 - 1st .063 .61HB20BN-50101 1/2 - 10 - 1st .100 1.000 1.000 .375 15/16 - 16 620 lbs 3100 lbs .83HB20BN-50102 1/2 - 10 - 2st .200 1.10HB20BN-62081 5/8 - 8 - stub 1.06 050HB20BN-62101 5/8 - 10 - 1st .100 1.000 1.000 .375 15/16 - 16 860 lbs 4300 lbs .99HB20BN-62102 5/8 - 10 - 2st 1.26HB20BN-75061 3/4 - 6 - 1st .167 1.500 1.500 .500 1 3/8 - 16 1500 lbs 1500 lbs 1.28HB20BN-75101 3/4 - 10 - 1st .100 1.15HB20BN-10005 1 - 5 - 1st .200 1.67 075HB20BN-10008 1 - 8 - 1st .125 1.500 1.500 .500 1 3/8 - 16 1900 lbs 9500 lbs 1.52HB20BN-10010 1 - 10 - 1st .100 1.47

NOTE:Lubrication is recommended when using these lead screw nuts.

HB250F-025 1.25 .187 .140 1.00 9/16-18HB250F-037 1.60 .250 .177 1.24 5/8 - 18HB250F-050 2.00 .375 .266 1.50 15/16 - 16HB250F-075 2.50 .500 .266 2.00 1 3/8 - 16HB250F-100 3.00 .600 .266 2.37 1 9/16 - 18

MATERIAL:Aluminum (6062-T6)


Flange DimensionsCatalog Number A B C (dia.) D (dia.) E Thread





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Ball Screws & Nuts Selection Guide

PHOTOGRAPH DESCRIPTION PAGE

Ball Screws - Metric, 16 mm diameter 96Stock lengths up to 3 metersMachined or unmachined ends

Anti-Backlash Ball Nuts - Metric, 16 mm diameter 97These nuts mate with our 16 mm dia. ball screwsLong life, anti-backlash operation

Ball Screws - Metric, 25 mm diameter 99Stock lengths up to 3 metersUnmachined ends

KM Series Anti-Backlash Ball Nut - Metric, 25 mm dia. 100Anti-backlash nuts for 25 mm dia. ball screwswhen used with either flange or base mountCompact design with smooth operation and long life

Ball Screws - Inch 102Stock lengths up to 6 feetUnmachined ends

Ball Nuts - Inch 103Double circuit, single circuit and preloaded versionsto mate with our inch series ball nuts

Ball Nut Flanges - Inch 106Made for our inch seriesAllows mounting to your design via four mountings

Accessories 107End bearings, couplings, internal dampers,motor stand-offs, crank handles, washers and screws





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� ø16 mm, precision rolled and polished.� Material Cf 53, induction hardened to HRC 62 ± 2.� Pitch accuracy < 0.1 mm / 300 mm, ISO class 7.� Screw pitches of 2.5, 4, 5, 10 and 20 mm.� Available with machined and unmachined ends in lengths up to 3 m.

� High life expectancy.� Excellent cost/performance ratio.� Produce greater than 90% efficiency in converting

rotary to linear motion.� Machined screws are designed to be held by a

double bearing on one side and on the other, either afloating bearing, or no bearing and a guiding ball nut.

FEATURES

Ball Screws (16 mm dia.)

(Ball Nuts Purchased Separately)

* 552, 1052, 2052, 3052: available unmachined.

2

Pitch Code(mm)

2 – 2.53 – 44 – 55 – 106 – 20

Length Code Length (mm) 125 1252 155 1552 205 2052* 305 3052*

Machining0 – Unmachined2 – Machined

Length Code Length (mm) 045 452 055 552* 065 652 075 752 085 852 095 952 105 1052*

CATALOG NUMBERHL513 M





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� Can be used with Techno 16 mmball screws.

� Ball nut is a patented anti-backlashdesign made of steel, Cf53, ground,polished and hardened to HRC 62±2.

Pitch4 mm5 mm

Catalog NumberHL5233M213002HL5234M213001

Pitch10 mm20 mm

Catalog NumberHL5235M213010HL5236M213020

Series 1 Anti-Backlash Ball Nuts*(16 mm dia.)

62.550

25

M6

15.2

31.5

18.7 15

12.5

8.5

25.3

0.8

* This isel Ball Nut is patented.

21 Ø28

28.5

8.522.5Ø3.95

14.522.5

6550 ±0.2

24.5

25

35

10 ±0.2

16 ±0.26.4

M6

1.6

� Repeatability of 0.01 mm, accuracy of 0.1mm/300 mm when used with our ballscrews.

� Blank shaft is used to retain balls duringshipment.

� Balls are hardened steel HRC 63 ± 2.

FEATURES:





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FEATURES:

* This isel Ball Nut is Patented.

KM Series Anti-Backlash Ball Nuts* (16 mm dia.)

� Ball nut features patented adjustable anti-backlash design when used with our mountingblocks.

� Made of steel, Cf 53, hardened, ground andpolished.

� Ball nut is 50 mm long by 28 mm diameter.

� 2 optional mounting brackets allow for flangemounting or base mounting. Both featurestandard lubrication ports and are made ofsteel with a black oxide finish.

� Available in 2.5, 5, 10 and 20 mm pitch.

� Produce greater than 90% efficiency in

converting rotary to linear or linear to rotarymotion.

� Repeatability < 0.01 mm, accuracy < 0.1mm/ 300 mm when used with our screws.

� Optional wipers available.

� Compatible with 16 mm diameter ballscrews only.

41.512.56.25Ø27.4

50

Ø22 H7

Ø6 ±0.01

Ø28

5028.4

11

Ø39

Ø40 g6

Ø39 90° 48

Ø51

Ø6.64 PLACES

Ø62

Ø6

Ø7.9

6.2516.620.75

Ø28 H7

Ø28 H7 6

5.54735

R 5

12.5

25 50

33 26.5

2 x M8 x 0.7543.75

23

Fig. 1

Fig. 2

Fig. 3

Fig. 1

Fig. 3

Fig. 2

2.5 mm HL5232M2135035 mm HL5234M213505

10 mm HL5235M21351020 mm HL5236M213520

Pitch Catalog Number (fig. 1)

Catalog NumbersFLANGE MOUNTING BLOCK (fig. 2)

HL5200M213501BASE MOUNTING BLOCK (fig. 3)

HL5200M213500WIPER SET (2 pieces) not shown

HL5200M613502

Mounting Blocks





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� ø25 mm, precision rolled and polished.� Material Cf 53, induction hardened to HRC 62 ± 2.� Pitch accuracy < 0.1 mm / 300 mm, ISO class 7.� Screw pitches of 5, 10 and 20 mm.� Screw ends are unmachined. Machine ends are

available in OEM quantities.

� High life expectancy.� Excellent cost/performance ratio.� Produce greater than 90% efficiency in converting

rotary to linear motion.� Machined screws are designed to be held by a double

bearing on one side and on the other, either a floatingbearing, or no bearing and a guiding ball nut.

FEATURES

Ball Screws (25 mm dia.)

0

Pitch Code (mm)4 – 55 – 106 – 20

Length Code Length (mm) 050 500 100 1000 300 3000

CATALOG NUMBERHL514 M0






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FEATURES:

KM Series Anti-Backlash Ball Nuts*(25 mm dia.)

Fig. 1 Pitch 5 and 10

Fig. 1 Pitch 20

� Ball nut features patented adjustable anti-back-lash design when used with our mounting blocks.

� Ball nut made of steel, Cf 53, hardened, groundand polished.

� 2 optional mounting brackets allow for flangemounting or base mounting. Both feature stan-dard lubrication ports and are made of steel witha black oxide finish.


� Repeatability < 0.01 mm, accuracy < 0.1mm/ 300 mm when used with our screws.

� Available in 5, 10 and 20 mm pitch.

� Produce greater than 90% efficiency inconverting rotary to linear or linear to rotarymotion.

� Compatible with 25 mm diameter ballscrews only.

5 mm HL5244M213500510 mm HL5245M213501020 mm HL5246M2135020

Pitch Catalog Number

Fig. 1





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Fig. 2

FEATURES:

KM Series Anti-Backlash Mounting Blocks(25 mm dia.)

� Ball nut made of steel, Cf 53, hardened, groundand polished.

� 2 optional mounting brackets allow for flangemounting or base mounting. Both feature stan-dard lubrication ports and are made of steel witha black oxide finish.

� Repeatability < 0.01 mm, accuracy < 0.1 mm/300 mm when used with our screws.

� Available in 5, 10 and 20 mm pitch.

� Produce greater than 90% efficiency inconverting rotary to linear or linear to rotarymotion.

� Compatible with 25 mm diameter ball screwsonly.


Fig. 3

Fig. 2

5 mm HL5200M2139003A10 mm HL5200M2139003A20 mm HL5200M2139004A

Pitch Catalog Number Flange Mounting Block (fig. 2)

5 mm HL5200M2139001A10 mm HL5200M2139001A20 mm HL5200M2139002A

Pitch Catalog Number Base Mounting Block (fig. 3)

Wipers HL5200M2139000

Dimensions in parentheses are for 20 mm pitch block.

Fig. 3





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Ball Screws (Inch)

FEATURES

� Precision rolled

� Material: AISI 1050

� Hardness: Rc 56-62

� Lead accuracy of + 0.003 in/ft

� Finished ends in OEM quantities

Screw Size Code NominalDiameter

037012*050020050050062020075020075050100025100050100100112020150025150050150100150200

HB12SA-

Length in Feet

3/81/21/25/83/43/4111

1-1/81-1/21-1/21-1/21-1/2

Leadin/rev

Lengthin Feet

1, 3 & 6

NominalRoot Dia. (in.)

BALL SCREW SELECTION

CATALOG NUMBER

.300

.390

.390

.480

.625

.625

.836

.879

.8361.0201.3791.2651.1431.210

.125

.200

.500

.200

.200

.500

.250

.5001.000.200.250.500

1.0002.000

1, 3 & 4

* Available only in 0.005 in/ft lead accuracy.






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Double Circuit Ball Nuts (Inch) FEATURES

� 2 circuits of ball bearings

� Max backlash of 0.007", 3/8" to 3/4"

� Max backlash of 0.009", 1" to 1-1/2"

� Dynamic load rating based on 1,000,000" of travel.

HB30SN-

BALL NUT SELECTION

CATALOG NUMBER

* Lube Hole = 1/8 - 27 npt, G = 0.46** Lube Hole = 1/8 - 27 npt, G = 0.50


CRISSCROSS CIRCUIT CONFIGURATIONS

// PARALLEL CIRCUIT CONFIGURATIONS

// Denotes a parallel circuit configurationDenotes a crisscross circuit configuration

037012 .375 .125 1.83 .255 .786 .915 .468 .55 .664 - 32 500 4250 .02 0664050020 .500 .200 2.76 .390 1.070 1.339 .665 .85 15/16 - 16 1200 9400 .04 0938050050 .500 .500 1.76 .390 1.063 1.390 .625 .7 15/16 - 16 850 4150 .09 0938075020 .750 .200 2.89 .510 1.317 1.521 .917 .94 1 1/8 - 18 1900 18800 .04 1125075050 .750 .500 2.94 .510 1.317 1.984 .983 1.06 1 1/4 - 16 3450 24200 .09 1250100025 1.000 .250 3.14 .630 1.692 1.882 1.191 1.12 1 9/16 - 18 3350 30750 .05 1563100050 1.000 .500 3.13 .630 1.692 1.882 1.191 1.12 1 9/16 - 18 3950 32300 .09 1563100100 1.000 1.000 3.10 .605 1.692 2.172 1.200 1.17 1 9/16 - 18 2250 13750 .18 1563112020 1.125 .200 2.51 .485 1.692 1.963 1.281 1.22 1 5/8 - 20 2400 27550 .04 1625150025 1.500 .250 3.26 .760 2.098 2.427 1.733 1.53 1.967 - 18 4050 47450 .05 1967150050 1.500 .500 5.59 .755 2.630 3.177 1.564 1.93 2.36 - 18 12900 102300 .09 2360150100 1.500 1.000 3.65 1.010 2.630 3.696 1.737 1.96 2 1/4 - 20 8250 47800 .18 2250150200 1.500 2.000 5.26 1.005 2.621 3.400 1.576 1.68 2 1/4 - 20 7600 29000 .35 2250

Dynamic Static TorqueLoad Load to Raise Opt.

Catalog Nom Rating Rating 1 lb FlangeNumber Dia. Lead A B C D E F Thd lbs lbs lb-in HB250F-

*

**

//

//

//

//

//

//

//

NUT TYPE 1

NUT TYPE 2





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Single Circuit Ball Nuts (Inch)

� 1 circuit of ball bearings� Max backlash of 0.007", 3/8" to 3/4"

� Max backlash of 0.009", for 1"� Dynamic load rating based on

1,000,000" of travel

FEATURES

HB32SN-

BALL NUT SELECTION

CATALOG NUMBER

Dynamic Static TorqueLoad Load to Raise Opt.

Catalog Nom Rating Rating 1 lb FlangeNumber Dia. Lead A B C D E F Thd lbs lbs lb-in HB250F-


NUT TYPE 3

037012 .375 .125 1.01 .225 .736 .850 .475 .48 .664 - 32 150 1300 .02 0664062020 .625 .200 1.72 .510 1.130 1.360 .787 .80 15/16 - 16 800 6150 .04 0938075020 .750 .200 1.89 .510 1.137 1.550 .959 .90 1 1/8 - 18 950 7750 .04 1125100025 1.000 .250 2.36 .630 1.692 1.913 1.185 1.09 1 9/16 - 18 1600 12700 .05 1563





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Preloaded Ball Nuts (Inch)

� Adjustable, preloaded � Zero backlash

FEATURES

HB33SN-

BALL NUT SELECTION

CATALOG NUMBER

* Lube Hole = 1/8 - 27 npt, G = 0.46"** Lube Hole = 1/8 - 27 npt, G = 0.50"(refer to the NOTE above)

037012 .375 .125 4.13 .255 .786 .915 .468 .550 1.170 .203 .664 - 32 150 4100 0664 1050020 .500 .200 5.95 .390 1.067 1.339 .665 .850 1.420 .203 15/16 - 16 360 9040 0938 1050050 .500 .500 6.00 .390 1.070 1.390 .625 .860 1.420 .203 15/16 - 16 660 12690 0938 2062020 .625 .200 3.72 .510 1.130 1.360 .787 .800 1.420 .203 15/16 - 16 240 5910 0938 3075020 .750 .200 6.08 .510 1.317 1.521 .917 .094 1.670 .266 1 1/8 - 18 570 18230 1125 1075050 .750 .500 6.18 .510 1.317 1.984 .983 1.060 1.670 .266 1 1/4 - 16 1035 23165 1250 2100025 1.000 .250 6.64 .630 1.692 1.882 1.191 1.120 2.070 .266 1 9/16 - 18 1005 29745 1563 1100050 1.000 .500 6.64 .630 1.692 1.882 1.191 1.120 2.070 .266 1 9/16 - 18 1185 31115 1563 2100100 1.000 1.000 6.52 .605 1.692 2.172 1.200 1.170 2.070 .266 1 9/16 - 18 675 13075 1563 2112020 1.125 .200 5.50 .485 1.692 1.963 1.281 1.220 2.070 .266 1 5/8 - 20 720 26830 1625 1150025 1.500 .250 7.00 .760 2.098 2.427 1.733 1.530 2.420 .437 1.967 - 18 1215 46235 1967 1150050 1.500 .500 12.10 .755 2.630 3.177 1.564 1.930 3.114 .437 2.36 - 18 3870 98430 2360 1150100 1.500 1.000 8.16 1.010 2.630 3.696 1.737 1.960 3.114 .437 2 1/4 - 20 2475 45325 2250 2150200 1.500 2.000 11.25 1.005 2.621 3.400 1.576 1.680 3.114 .437 2 1/4 - 20 2280 26720 2250 2

StaticMax Load Opt.

Catalog Nom Max Preload Rating Flange NutNumber Dia. Lead A B C D E F M N Thd lbs lbs HB250F- Type


*

**

NOTE: Refer to Nut Type, Double Circuit Ball Nut onpage 103 and Single Circuit Ball Nut on page 104 forlocation of Dimension B through F.





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Ball Nut Flanges (Inch)

HB250F-

BALL NUT FLANGE SELECTION

CATALOG NUMBER


Flanges should be pinned or bonded to preventunwanted disassembly during operation.

Catalog I J KNumber Thread Max Max Hole Dia BCD

0664 .664 - 32 .275 1.61 .177 1.240938 15/16 - 16 .54 2.63 .281 2.091125 1 1/8 - 18 .54 2.63 .266 2.091250 1 1/4 - 16 .54 2.63 .281 2.091563 1 9/16 - 18 .64 3.28 .281 2.751625 1 5/8 - 20 .495 3.23 .281 2.7021967 1.967 - 18 .815 4.41 .397 3.52250 2 1/4 - 20 1.03 4.97 .531 4.1252250 2 1/4 - 20 1.03 4.97 .531 4.1252360 2.36 - 18 .785 4.65 .531 3.875

Material: Aluminium (6062-T6)





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Accessories

Mounted Ball Bearings for 8 or 10 mm shaft.Housing of zinc die cast. Two mounting holes, 45 mmapart with clearance for M6 screwing provided.

8 mm Shaft: HL5300M347910 mm Shaft: HL5300M3478

Plastic Knobfor 6.55 mm (1/4") shaft.This 50 mm dia. knob isprovided with a collet clamp,which is commonly used onthe rear shaft of stepper motorto provide manual control.

HL2200M3476

Shaft Couplings, Jaw type with clamp hub, 1° max. angular offset

Handwheelfor 6.55 mm (1/4") shaft.This 80 mm diameterhandwheel is made ofaluminum and providedwith a plastic handle.

HL5500M3477

The Techno Inertial Damper has beendesigned to provide smoother operation andstop loss of steps which may occur whenstepper motors operate at resonancefrequencies.

H90Z12-17967

Motor Standoffs and Coupling Housings for Nema 23 Frame Motors

A 5Z27M200592 5 20 30 .2 3A 5Z27M200692 6 20 30 .2 3A 5Z27-300892 6.35 30 40 .2 7.5A 5Z27M300892 8 30 40 .2 7.5A 5Z27-401292 9.52 40 60 .2 10A 5Z27M401292 10 40 60 .2 10HL5500M6380 8 - 6.35 30 40 .15 7.5HL5500M3473 6.35 20 30 .2 3

Maximum MaximumBore O.D. Length Parallel Torque

Catalog Number mm mm mm Offset-mm Nm

Spring WasherUsed betweenmounted ballbearings for preload.O.D. = 20 mm I.D. = 10 mm

HL5600M893128

M5x50 mm Socket Head ScrewHX6100M05050

(for use with HL5300M3471)

HL5300M3471

56 mm square, 45 mm long.

(for general use or Techno-isel'sStandard-Duty slides)

M5x70 mm Socket Head ScrewHX6100M05070

(for use with HL4700M681699-60)

HL4700M681699-60

56 mm square, 65 mm long.

Includes one access hole and grommett.(for general use or Techno-isel's Heavy-Duty 2 and Narrow Profile 2 slides)





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Accessories

Suggested Ball Screw AssemblyUsing Techno-isel

Accessories…

Mounted Ball BearingHL5300M3478(see page 107)

Ball ScrewHL5134M21052

(any ball screw withmachined ends -

see page 96)

Spring Washers (3X)HL5600M893128(used to relieve

pressure on bearings -see page 107)

Flexible Shaft CouplingHL5500M6380

(e.g. must be chosento suit motor shaft -

see page 107)

Techno Inertial DamperH90Z12-17967

(for use with steppermotors to help eliminate

resonances -see page 107)

M5x70 SocketHead ScrewsHx6100M5070(see page 107)

Motor Standoff &Coupling HousingHL4700M691699-60(used with Nema 23

size motors -see page 107)

Mounted Ball BearingsHL5300M3478(see page 107)

KM Series Ball Nutor Series 1 Ball Nut(see pages 97 - 98)

Typical

Rear Mounting

Nema 23 Motor

Typical

Front Mounting

LocknutH91X06MM10X125

Note:If clearance holes are used for the mounting screwson the two endplates, the screw/rail system is relatively easyto align and will not require high precision machining.




Documents

Acme Ball Screws