Value Collection R50000340 Hex Cap Screw 5/8-11 X 12 in Grade 5

Product Description

The VALUE COLLECTION R50000340 is a partially threaded hex head cap screw designed for general industrial and mechanical fastening applications. It features a 5/8-11 UNC thread size and a 12-inch length under head, providing substantial grip depth for heavy-duty structural and equipment assembly work. Manufactured from Grade 5 steel with a zinc-plated finish, this fastener delivers solid tensile strength and basic corrosion resistance. It conforms to ASME B18.2.1 and SAE J429 standards, making it suitable for use in applications where documented material grade and dimensional compliance are required. Maintenance technicians, millwrights, and general contractors commonly install fasteners of this type.

This cap screw is suited for structural connections, machinery mounting, equipment frames, and other heavy-load fastening scenarios where a partially threaded shank is preferred. The partial thread allows the unthreaded shank to bear shear loads without thread engagement in the joint interface, which is important in applications involving metal-to-metal clamping or close-tolerance bolt holes. Typical installation environments include industrial facilities, mechanical rooms, and field construction or repair work.

Key Features

• 5/8-11 UNC thread provides coarse-thread engagement suitable for steel and heavy fabrication work
• 12-inch length under head accommodates deep clamping stacks and thick structural members
• Grade 5 steel construction meets SAE J429 minimum tensile and proof load requirements
• Zinc-plated finish provides baseline corrosion protection for general service environments
• Partial threading allows unthreaded shank to carry shear loads at joint interfaces
• Conforms to ASME B18.2.1 dimensional standards for consistent fit with standard hex nuts and washers

Compatibility

Designed for use with standard 5/8-11 UNC hex nuts and washers conforming to ASME B18.2.2 and ASME B18.22.1. Suitable as a direct replacement or standard fastener selection in any application specifying a 5/8-11 x 12-inch Grade 5 partially threaded hex cap screw per ASME B18.2.1 and SAE J429.

Installation Notes

Installation should be performed by qualified mechanical or construction tradespeople following applicable torque specifications for Grade 5 fasteners per engineering drawings or applicable codes. Always ensure mating threads are clean and free of debris before installation. Do not exceed the rated proof load for Grade 5 hardware. Use calibrated torque tools when torque values are specified by the application designer or governing standard.