Coatings for Bolting

This page has the Coatings for Bolting (PB-TD-208) as a printable PDF. It compares PTFE, zinc-nickel, galvanized and phosphate finishes and their typical nut factor (K) effect on torque. Values are for reference; confirm against the current edition of the governing standard. Send us your print for a quote or call (281) 581-0176.

Related: Torque Reference Charts · All technical docs