Hex head bolts are divided into two types: outer hexagon bolts and inner hexagon screws, which are usually used to fasten mechanical equipment.
Hexagonal bolts are hexagonal head bolts (partial thread)-level C and hexagonal head bolts (full thread)-level C. Also known as hexagon head bolts (rough) hair hexagon head bolts, black iron screws.
Material
Stainless steel 201, 665, 667, 304, 316, etc
Standard
GB, DIN, ISO, ANSI/ASTM, BS, BSW, JIS etc
Non-standards
OEM is available, according to drawing or samples
Finish
Plain/according to your requirement
Package
According to customers requirement