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The HILLMAN 370986 is a zinc-plated steel wedge anchor designed for secure fastening into concrete, stone, brick, and block substrates. Each anchor measures 3/8 inch in diameter by 5 inches in length and uses a mechanical wedge-expansion design that locks into the base material as the nut is tightened. This fastener is suited for medium to heavy-duty structural and fixture-mounting applications. Sold in a box of 10, it is a standard choice for contractors, masons, and general tradespeople who need reliable anchored connections in solid masonry and concrete.
This wedge anchor is used in a wide range of commercial and residential construction tasks, including securing equipment bases, structural supports, railings, brackets, and mechanical system components to concrete floors, walls, and foundations. The zinc-plated finish provides basic corrosion resistance for interior and protected exterior environments. The anchor requires a drilled hole matching the anchor diameter, and exact hole depth is not critical, simplifying layout and installation on the job.
Designed as a standard 3/8 inch wedge anchor for use in solid concrete, stone, brick, and block substrates where a through-bolt or expansion anchor connection is required.
Installation is performed by general contractors, masons, or qualified tradespeople using a hammer drill and carbide-tipped bit sized to match the 3/8 inch anchor diameter. The hole should be blown clear of debris before inserting the anchor. The nut should be tightened until the anchor is mechanically set — do not over-torque, as this can crack the base material near the hole. Follow applicable building codes and anchor manufacturer load tables for structural applications.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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