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The VALUE COLLECTION KP44023 is a Grade 8 steel hex head cap screw sized 5/16-18 x 1-1/2 inches, designed for high-strength fastening applications across mechanical, structural, and industrial assemblies. The partially threaded shank follows UNC thread standards and meets ASTM A354 BD specifications, confirming its suitability for demanding load-bearing connections. A zinc-plated finish provides baseline corrosion resistance for indoor and light-duty outdoor installations. Electricians, HVAC technicians, plumbers, and general trade professionals reach for Grade 8 fasteners when joint integrity under vibration or mechanical stress is a requirement.
This screw is suited for residential and light commercial mechanical assemblies, equipment mounting, and structural bracketing where a high-strength UNC fastener is called for. The 5/16-18 thread pitch and 1-1/2 inch length under head make it a common fit for equipment frames, panels, and support structures encountered in trade service work. Sold in a package quantity of 100, the KP44023 is appropriate for stocking service vehicles or shop bins where multiple fasteners are consumed per job.
Designed as a standard UNC hex head cap screw for use in any application requiring a 5/16-18 x 1-1/2 inch Grade 8 partially threaded fastener conforming to ASTM A354 BD.
Installation is performed with a standard hex wrench or socket set sized for a 5/16-18 fastener. Ensure mating threads are clean and free of debris before driving. When used in equipment or structural assemblies subject to vibration, consider a lock washer or thread-locking compound per the equipment manufacturer's guidelines. Follow applicable mechanical and structural codes for proper fastener selection and joint design.
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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