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The VALUE COLLECTION 451148BR is a Grade 8 steel hex head cap screw engineered for high-strength fastening applications. Measuring 3/4-10 thread size with a 10-inch length under head, this partially threaded fastener meets ASME B18.2.1 dimensional standards. The bright uncoated finish indicates an as-manufactured surface condition without applied plating or coating. At 1.35 pounds, this is a substantial fastener suited for structural, industrial, and heavy-equipment assembly work. The UNC (Unified National Coarse) thread form provides reliable engagement across standard tapped holes and nuts. A 1-1/8 inch hex key size allows drive with standard open-end, box-end, or impact wrenches commonly used in the field.
This cap screw is used in applications requiring a high-strength Grade 8 fastener, including structural steel fabrication, heavy machinery assembly, agricultural equipment, and industrial maintenance. The partially threaded shank provides a bearing surface in through-hole applications where the unthreaded portion spans the joint interface. It is installed by mechanics, millwrights, ironworkers, and maintenance technicians working on bolted assemblies that demand ASME-compliant hardware.
Designed as an ASME B18.2.1-compliant hex head cap screw for use with 3/4-10 UNC standard nuts, washers, and tapped holes in inch-series fastener applications.
Installation requires a 1-1/8 inch open-end, box-end, or impact socket wrench. Always confirm the mating nut or tapped hole is 3/4-10 UNC thread before driving. Follow applicable torque specifications from the equipment manufacturer or relevant structural standards for Grade 8 fasteners. Inspect threads for damage before installation and do not install in applications requiring a coated or plated fastener where corrosion protection is specified.
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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