forging T-bolts m16 1,material: Q235A carbon Steel 2,surface: zine planted 3,weight: 200g ... 4,samples available forging T-bolts m161,material: Q235A carbon Steel2,surface: zine planted3,weight: 200g4,samples availableThe ... T-bolts can be forged of any hot forging material:carbon steel,alloy steel,stainless steel,brass,aluminium,etc.we ...