Value Collection 644517PS M8x1.25x140mm Hex Cap Screw

Product Description

The VALUE COLLECTION 644517PS is a metric hex head cap screw built for structural and mechanical fastening applications where precise thread engagement and dimensional consistency matter. The fastener is manufactured from Grade 8.8 steel with a bright, uncoated finish and features partial threading along its 140 mm shank length. It measures M8 x 1.25 in thread size and accepts a 13 mm hex key or wrench. This screw conforms to DIN 931 and ISO 4014 standards, making it a reliable choice for engineers, machinists, and maintenance professionals working within metric fastener specifications.

This cap screw is suited for general mechanical assembly, equipment maintenance, and structural fastening in both industrial and commercial settings. Its partial-thread design provides a smooth shank section that helps maintain clamping load and resist lateral shear forces, which is common practice in bolted joints where load distribution across the grip length is critical. Installers working on machinery, fabricated steel structures, or mechanical sub-assemblies will find this fastener appropriate for standard metric joint configurations.

Key Features

• Partial threading along the shank per DIN 931 and ISO 4014 standards
• Grade 8.8 steel construction for medium-to-high tensile strength fastening
• Bright, uncoated finish suitable for applications where coating thickness tolerance is a concern
• 13 mm hex drive for use with standard metric wrenches or sockets
• 140 mm length under head accommodates deeper joint stacks or through-bolt applications

Compatibility

Designed as a standard metric replacement or new-installation fastener for M8 x 1.25 threaded holes conforming to DIN 931 and ISO 4014 specifications in general mechanical and structural assemblies.

Installation Notes

Installation should be performed by a qualified mechanic or maintenance technician familiar with metric fastener torque requirements for Grade 8.8 hardware. Always ensure the receiving threaded hole is clean, undamaged, and matches the M8 x 1.25 thread pitch before installation. Use a calibrated torque wrench and apply a tightening sequence appropriate to the joint design. Do not substitute this fastener in applications requiring a higher or lower property class without engineering review.