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”PF” Make Bolts and Screws shall meet the Specifications of ISO Grades…
Pf Make Plain & Hardened Washers Pf Make Cold Forged Parts Pf Make Hot Forged Special Parts
Pf Make Fasteners for Rail/ Metro Projects Pf Make Foundation Bolts Pf Make DTI Washers Pf Make High Strength Structural Bolts (HSFG) Pf Make Full Thread Studs
![Loss of preloading in DTI assemblies and criteria for using ......EN 14399-6 [4] and EN 14399-9 [2]). In EN 14399-9, the „Suitability test for preloading with direct tension indicator](https://img.pdfslide.net/doc/110x75/6089f8ac0eda7c46f35530f8/loss-of-preloading-in-dti-assemblies-and-criteria-for-using-en-14399-6-4.jpg)
