Professional supplier carriage bolts
Standard: DIN603 ANSI/asme b18.5(ifi c-40)
Class: 4.8/8.8/10.9/12.9
Surface: Zinc plated, black finish, yellow zinc plated. H. D. G.
Size: 1/4"-3/4", m5-m20
Materials: Stainless steel, alloy steel, brass, carbon steel, c1034, c1045, etc.

Our company also supply structural bolts/nuts, heavy hex nuts, hex bolts/nuts, castle nuts, flange bolts/nuts, threaded rods, stud bolts, socket head screws, spring/lock washer, flat washer and other specific fasteners.

If you're interested in above products, pls let us know, we can chat for further details. If you have any query/request, pls let us know, we'll check and revert you ASAP.