Industrial Steel Treating is the world’s largest heat treat processor of induction hardened fasteners. Nine induction systems with a 900,000,000 piece annual capacity service the North American market with part handling capability ranging from M3.5 x 10 to M14 x 300. IST services automotive, heavy truck, off-road, appliance, construction and military fastener suppliers throughout North America.

Fasteners are first hardened and tempered to grade in belt or batch furnace systems. The induction process hardens all lead threads and 1 – 3 full threads to specified hardness at depth. The resultant product is a neutral hardened fastener with self tapping or drilling threads, capable of cost effective, reliable and rapid assembly into high hardness, un-threaded components, (HSLA, aluminum or carbon steel).  Drive failures at assembly are never an issue with IST hardened fasteners, our hardness results consistently exceed all OEM requirements.

IST’s customers expect rapid product turnaround, less than 24 hour rush capability, lot integrity and consistent quality results. As the industry leader in induction hardened fasteners, IST’s customers depend on our experience, industry contacts and problem solving knowledge to quickly manage issues and provide immediate assistance.