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South Coast Fasteners stocks the 3/8-16 x 3 1/2" Pin Drive Expansion Anchors. Coarse, Yellow Zinc Cr+6 for fast 3-5 day shipping. It measures 3/8" diameter, 3 1/2" length, coarse thread, a Yellow Zinc Cr+6 finish. Used in heavy anchoring in structural concrete, it is part of our Expansion Shield Anchors line, stocked across industries such as Construction, Marine & Offshore, 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.