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DIN6912/DIN912/ASME B18.3
Socket cap screws
Dia range
M6-M12 ( 1/4"-1/2")
Length
Max 150mm ( 6")
Class
8.8 .10.9 .12.9 ( ASTM A574 )
Finish
BO..ZP.ZY.HDG.DACROMET
Non-standard screws can be available
Haiyan Yihui Hardware Technology Co., Ltd.