型号
DIN933 DIN931 DIN6914 A325
Item
stainless steel assembled hex head bolt with nuts
Standard
DIN933 DIN931 DIN6914 A325
Material
stainless steel, carbon steel,alloy steel,brass...
Surface treatment
Plain, Black, Zinc Cr+3,Yellow Zinc Cr+6,H.D.G.,Dacromet,etc.