Value Collection 39011 Hex Cap Screw 1/4-20 X 2-3/4 in Grade 8 100pk

Product Description

The VALUE COLLECTION 39011 is a partially threaded hex head cap screw designed for high-strength fastening applications in industrial, mechanical, and structural assemblies. Manufactured from Grade 8 steel with a zinc yellow dichromate finish, this fastener delivers superior tensile strength and corrosion resistance compared to lower-grade alternatives. The 1/4-20 UNC thread pattern and 2-3/4 inch length under head make it a common choice where a combination of clamping force and partial thread engagement is required. Sold in a package quantity of 100, it suits both shop stock and job-site use. This fastener conforms to ASME B18.2.1 dimensional standards.

This screw is suited for applications requiring high-clamp-load fastening in steel-to-steel or steel-to-bracket assemblies, including equipment frames, structural supports, and mechanical enclosures. The partial threading is appropriate where the unthreaded shank must pass through a clearance hole before engaging a tapped bore or nut. Technicians in HVAC, electrical, plumbing, and general mechanical trades commonly use Grade 8 hex cap screws in equipment mounting and structural connection work.

Key Features

• Grade 8 steel construction for high tensile and proof-load strength
• Zinc yellow dichromate finish provides corrosion and oxidation resistance
• Partially threaded shank allows clearance-hole pass-through before thread engagement
• 1/4-20 UNC thread standard ensures broad nut and tapped-hole compatibility
• Conforms to ASME B18.2.1 dimensional standards
• Package quantity of 100 supports shop stock and bulk installation needs

Compatibility

Designed for use with standard 1/4-20 UNC tapped holes, hex nuts, and coupling nuts conforming to inch-series fastener standards. Suitable as a replacement or stock fastener wherever a 1/4-20 x 2-3/4 inch Grade 8 partially threaded hex cap screw is specified.

Installation Notes

Installation should be performed by qualified mechanical or trade technicians following applicable torque specifications for Grade 8 fasteners at this diameter. Always use a properly sized hex wrench or socket to avoid rounding the head. Ensure the mating tapped hole or nut meets the same thread standard (UNC) before installation. Do not mix Grade 8 fasteners with lower-grade nuts or inserts, as mismatched grades can reduce joint integrity.