Product name | american and british ribbed neck carriage bolt | ||||||
Standard | ISO, GB, BS, DIN, ANSI,JIS, Non-standard | ||||||
Grade | 4.8, 8.8, 10.9, 12.9 | ||||||
Size | M8-M20,3/8"--7/8" | ||||||
Length | 10mm-300mm or non-standard as request&design | ||||||
Material: | carbon steel, alloy steel, stainless steel | ||||||
Surface treatment | ZP,Dacromet,HDG, heat treating,etc | ||||||
Shape | round head,square head,Square Neck,half round head |