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South Coast Fasteners stocks the M20-2.50 x 170 MM Metric Flat Socket Head Cap Screws, Coarse, Grade 12.9 (DIN 7991), Thermal Black Oxide for fast 3-5 day shipping. It measures M20 diameter, 170 MM length, coarse thread, Grade 12.9 (DIN 7991) with a Thermal Black Oxide finish. Built for precision assembly where a tight tolerance matters, it is part of our Flat Socket Cap Screws line, stocked across industries such as Electrical and Manufacturing.
Pairs well with Flat Washers on the nut side. Please contact us if you need assistance in selecting the right product or placing an order.