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The VALUE COLLECTION 3GBM904C0104 is a 1/4-20 UNC hex head bolt intended for general fastening applications across mechanical, construction, and maintenance trades. Built from Grade 2 steel with a hot-dipped galvanized finish, this bolt offers corrosion resistance suitable for exterior and moisture-prone environments. The shank measures 1-1/4 inches in length under the head and is partially threaded, providing a bearing surface along the unthreaded portion for clamping strength. A 7/16-inch hex drive accepts standard wrenches and sockets. It conforms to ANSI/ASME B18.2.1 and ANSI/ASME B18.2.2 dimensional and performance standards.
This bolt is well suited for light-duty structural connections, equipment mounting, ductwork framing, conduit supports, and general mechanical assembly. The hot-dipped galvanized coating makes it a practical choice in HVAC equipment pads, outdoor electrical enclosures, pool equipment installations, and anywhere mild corrosion resistance is required without stepping up to stainless. Tradespeople across HVAC, plumbing, electrical, and facilities maintenance will recognize this as a standard hardware item stocked for routine jobs. Sold individually; minimum order quantity is 100 pieces.
Designed as a standard 1/4-20 UNC hex head bolt suitable for use anywhere a Grade 2 galvanized fastener of this thread size and 1-1/4-inch under-head length is specified.
Installation is appropriate for any trade using standard hand tools or impact drivers with a 7/16-inch socket or wrench. Follow applicable torque guidelines for Grade 2 fasteners as specified by the equipment manufacturer or relevant code. Do not mix galvanized fasteners with incompatible metals in corrosive environments where galvanic action may be a concern. Inspect threads for damage before installation and do not reuse fasteners that show deformation.
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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