BoltFlange,ANSIClass900,1/4"RaisedFaceandFlatFace(in)

StudboltsinaccordancewithANSI/ASMEB16.5.Astudisthreadedeitheronbothendsorthefulllengthofthestud.StudsbothhaveAmericanNationalCourseThreads.Lengthofstudboltsdonotincludetheheightofthepoint.Lengthofstudboltswhenusedwithlapjointflangeswilldependuponthethicknessofthelapjointstubend.

MachineBolt StudBolt

Pipe

Size

(NPS)

Number

of

Bolts

Bolt

Diameter

Length

of

Stud

Bolt

Wrench

Size

for

Nut

1/2 4 3/4 41/4 11/4

3/4 4 3/4 41/2 11/4

1 4 7/8 5 17/16

11/4 4 7/8 5 17/16

11/2 4 1 51/2 15/8

2 8 7/8 53/4 17/16

21/2 8 1 61/4 15/8

3 8 7/8 53/4 17/16

31/2

4 8 11/8 63/4 113/16

5 8 11/4 71/2 2

6 12 11/8 71/2 113/16

8 12 13/8 83/4 23/16

10 16 13/8 91/4 23/16

12 20 13/8 10 23/16

14 20 11/2 103/4 23/8

16 20 15/8 111/4 29/16

18 20 17/8 123/4 215/16

20 20 2 133/4 31/8

22

24 20 21/2 171/4 37/8