Standard:DIN1624
Size:M5-M10
Surface:blue zinc
Standard:DIN1624
Size:M12
Surface:blue zinc
Standard:ASME/ANSI
Size:5/16-18 x 3/8
Surface:Yellow zinc
Standard:ASME/ANSI
Size:3/8-16x7/16
Surface:Plain
Standard:ASME/ANSI
Size:1/4-20 x 7/16
Surface:White blue zinc