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The ARP chamfered washer is a single, black-finish M12 washer supplied for use with M12 fasteners. Specified as M12 with a 1.55" inner diameter and 0.250" thickness, the chamfered profile helps provide proper seating under 12mm hardware. Sold individually, this washer offers a clean, catalog-specified dimension set for automotive and fabrication fastening tasks where a chamfered seat is required.
ARP M12 ID 1.55 OD .250 Thick Chamfer Black Washer (Single)
