ASTM F 959 - 2017 (a)
Compressible-Washer-Type Diredt Tension
Indicators for Use with Structual Fasteners,Inch Series
①,【325】Type 325——for use with Specification A 325 bolts. ②,【490】Type 490——for use with Specification A 490 bolts. ③,Selection ④,Material and Properties shall conform to the requirement of ASTM F959 |