1.Standard and nonstandard 2.DIN ISO UNC BSW AS JIS 3.Zinc ... 8/10.9/12.9(ANSI A307/2/5/8/A325)Standard: DIN,ANSI,UNI,JIS,ISOincl.DIN931/933/ ... .8/10.9/12.9(ANSI A307/2/5/8/A325)Standard: DIN,ANSI,UNI,JIS,ISOincl.DIN912, ISO4762(3 ... 8/10.9/12.9(ANSI A307/2/5/8/A325)Standard: DIN,ANSI,UNI,JIS,ISOincl.DIN603, ANSI/ASME ... 3")Grade: 6/8/10/12(ANSI 2/5/2H)Standard: DIN,ANSI,UNI,JIS,ISOincl.DIN934/439/6923,DIN985 ...