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Induction Hardened Fastener

Since 1978, Industrial Steel Treating has developed and operated induction-hardened fastener systems which heat treat self-tapping fasteners in sizes ranging from M3.5 x 10 mm to M14 x 175 mm. IST is the world’s largest commercial heat treater of induction hardened fasteners, processing over 600,000,000 pieces annually.

Our average delivery is made within 7 days, overnight rush orders are processed daily. To learn more about our capabilities, please contact us.


Carburize Furnace
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