Value Collection C703211 Hex Head Cap Screw 1/2-20 Grade 8

Product Description

The VALUE COLLECTION C703211 is a 1/2-20 hex head cap screw sized at 1-3/4 inches under the head, manufactured from Grade 8 steel with an uncoated finish. Grade 8 steel provides high tensile strength, making this fastener suitable for demanding structural and mechanical applications where joint integrity is critical. The thread form is UNF (Unified National Fine) and the screw is fully threaded along its entire length. It conforms to ASME B18.2.1 dimensional standards. Licensed tradespeople and maintenance professionals select Grade 8 hex cap screws when fastener strength and dimensional precision are non-negotiable in the assembly or repair of equipment and structural connections.

This screw is used across a wide range of mechanical, industrial, and trade applications including HVAC equipment mounting, plumbing fixture brackets, electrical panel supports, and general mechanical assemblies. The fine thread pitch of 20 threads per inch provides greater thread engagement and improved resistance to loosening under vibration compared to coarse-thread equivalents. Sold in a package quantity of 50, this SKU is well suited to service technicians and contractors who require job-lot quantities of a consistent, standards-compliant fastener.

Key Features

• Grade 8 steel construction for high tensile and proof load strength
• 1/2-20 UNF fine thread provides tight thread engagement and vibration resistance
• Fully threaded along entire shank length for maximum grip in thinner materials
• Uncoated finish — suitable for use where coating thickness tolerances are critical or where the installer will apply a field coating
• Conforms to ASME B18.2.1 dimensional standard for consistent fit and interchangeability
• Packaged in quantities of 50 for efficient job-site use

Compatibility

Designed as a standard 1/2-20 UNF hex head cap screw per ASME B18.2.1, suitable for use wherever a Grade 8 fully threaded 1/2-20 hex cap screw is specified in mechanical, structural, or equipment applications.

Installation Notes

Installation should be performed by a qualified mechanic, technician, or tradesperson familiar with fastener torque requirements for Grade 8 hardware. De-energize and lockout/tagout any equipment before fastener removal or installation in electrical or mechanical systems. Use a properly sized hex wrench or socket to avoid rounding the head. Do not substitute a lower-grade fastener in any application where Grade 8 is specified by the equipment manufacturer or structural engineer.