Value Collection 451185BR Hex Head Cap Screw Grade 8

Product Description

The VALUE COLLECTION 451185BR is a partially threaded hex head cap screw designed for heavy-duty fastening applications in industrial, mechanical, and structural assemblies. Manufactured from Grade 8 steel with a bright uncoated finish, this fastener delivers high tensile strength and is well-suited for demanding bolted connections. The screw features a 1-8 thread size (UNC) with a length under head of 8.5 inches and meets ASME B18.2.1 dimensional standards. Licensed tradespeople, millwrights, and maintenance technicians working with structural steel, heavy equipment, or machinery will find this fastener sized for high-load applications.

This cap screw is appropriate for use in industrial equipment assembly, structural steel connections, and heavy mechanical installations where Grade 8 tensile properties are specified. The partial threading is suited for applications that require a shank grip length for shear resistance or precise clamping without thread engagement through the full bolt length. The UNC thread form is standard across most North American fastener applications and tooling.

Key Features

• Grade 8 steel construction for high tensile and proof load strength
• Partially threaded shank provides shear resistance in bolted joints
• UNC thread form compatible with standard North American nut and tapped-hole tooling
• Bright uncoated finish — suitable for indoor or protected environments
• Meets ASME B18.2.1 dimensional standards for hex head cap screws
• 1-1/2 inch hex key size for use with standard heavy hex tooling

Compatibility

Designed as a standard UNC hex head cap screw for use in any application specifying a 1-8 x 8.5 inch Grade 8 partially threaded fastener per ASME B18.2.1.

Installation Notes

Installation is performed by qualified mechanics, millwrights, or tradespeople using appropriate heavy hex wrenches or impact tooling sized for a 1-1/2 inch hex drive. Ensure mating threads and tapped holes are clean and free of debris before installation. Follow applicable engineering specifications or structural drawings for torque requirements. Do not mix Grade 8 fasteners with lower-grade nuts or hardware that does not match the required proof load rating.