... nut Dia: 1/4" - 2 1/2" Standard: ASTM A194,2H, ASTM A563 Finish: Plain, ZP, Black, HDG OEM/ODM ... ASTM A194 2H hex nut1. Type:M6-M1002. Class: ... JIS Nuts and Bolts. Such as ASTM A194-2H, 2HM, ASTM A193-B7, B7M, ASTM A325, ASTM A449, A490, GRADE-5, GRADE ... -8, ASTM A563, and A320-L7; DIN6914, DIN6915 ...