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Buy the M20-2.50 x 170 MM (PT) Metric Socket Head Cap Screws, Coarse, Grade 12.9 (DIN 912 / ISO 4762), Zinc-Bake CR+3 online from South Coast Fasteners. It measures M20 diameter, 170 MM (PT) length, coarse thread, Grade 12.9 (DIN 912 / ISO 4762) with a Zinc-Bake CR+3 finish. Used in tool-and-die, automation, and OEM work, it is part of our Metric Socket Head Cap Screws line, stocked across industries such as Automotive and Medical.
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