... 933/975 2.Finish:Self Color,Black,Teflon Coating(PTFE) Black, White,Blueness Zinc,Nickel Plating Stud Bolts & Nuts Size ... B16/B8M;ASTM A194 2H/8/8FProduct Description Product Name:STUD BOLT & U_BOLTS:1. Din 975, class 4.8, ... 1, DIN125, DIN9021, DIN 127, DIN 7980.Finishing (Surface): Self Color, Xylan. Black ,Teflon Coating (PTFE) Black, White or ... to customers' Drawings and/or samples. SS304 stud bolts