Whether it is a farm, industrial scene or handmade DIY, this Grade 30 Proof Coil chain produced by TOPONE® can meet the needs. We can provide regular sizes and long ring links. The chain is made of carbon steel and is resistance welded. Various surface treatments can be selected.

Grade 43 High Test chain is also called G4 or G40 chain, which is a heat-treated alloy steel chain. Its performance is lower than G70 chain but higher than G30 Proof Coil chain., construction, agricultural and lumbering operations.​Not to be used in overhead lifting.Flash welding is adopted, and the weld surface is smooth, flat and free of burrs.Various surface treatments such as hot-dip galvanizing and electro-galvanizing are available.Proof tested to 2x the Working Load Limit.

A high quality, high strength carbon steel chain, heat treated,Used for load securement.Not to be used in overhead lifting.Meets Department Of Transportation Regulations.The surface is yellow chromate color.TOPONE® Grade 70 chain is the chain of choice for load binding applications. It is also well suited for tie-downs, towing and logging operations. Its strength to weight ratio exceeds that of Proof Coil and High Test chain.

Premium quality, high strength alloy chain, heat treated, used in a variety of sling and tie down applications.For overhead lifting applications, only Alloy chain should be used.Comply with US standards. Each chain link is tested at 2.5 times the working load before leaving the factory.

Premium quality, highest strength alloy chain, heat treated, Used in a variety of sling and tie down applications.For overhead lifting applications, only Alloy chain should be used.

Suitable for any kind of fixing in the nautical, construction, agricultural and metalworking fields, the DIN 5685 chains are available in the following models:

“A” short link chain, made in S235JR iron or in stainless steel (AISI 316 or 304).

Suitable for any kind of fixing in the nautical, construction, agricultural and metalworking fields, the DIN 5685 chains are available in the following models:

​“C” long link chains, made in C8 iron or in stainless steel (AISI 316 or 304).