Value Collection 644521PR Hex Head Cap Screw M8 X 1.25

Product Description

The VALUE COLLECTION 644521PR is a metric hex head cap screw manufactured from Grade 8.8 steel with a bright, uncoated finish. It features a partially threaded shank, an M8 x 1.25 mm thread profile, and a 160 mm length under the head. The 13 mm hex drive makes it compatible with standard metric wrenches and sockets. This fastener meets DIN 931 and ISO 4014 dimensional standards, making it suitable for structural and mechanical assemblies where a controlled grip length is required. It is typically installed by maintenance technicians, millwrights, and mechanical contractors working on industrial equipment, machinery, and structural steel fabrication.

This screw is suited for metric-threaded assemblies in industrial, commercial, and light structural applications. The partial threading provides a full unthreaded shank section, which helps align mating parts and resist shear loads in bolted joints. Applications include equipment mounting, frame assembly, and general mechanical fastening where Grade 8.8 medium-high tensile strength is specified by an engineer or equipment OEM. It is sold individually per package, with a minimum order quantity of 50 pieces.

Key Features

• M8 x 1.25 mm metric thread, 160 mm length under head
• Grade 8.8 steel construction for medium-high tensile strength
• Partially threaded shank per DIN 931 and ISO 4014 standards
• 13 mm hex drive compatible with standard metric wrenches and sockets
• Bright, uncoated finish suitable for dry or protected indoor environments
• Minimum order quantity of 50 pieces ensures job-site supply availability

Compatibility

Designed for use in metric-threaded assemblies requiring an M8 x 1.25 partially threaded hex cap screw conforming to DIN 931 and ISO 4014 dimensional standards.

Installation Notes

Install using a metric wrench or socket sized to 13 mm. Verify the mating tapped hole or nut is rated for M8 x 1.25 thread pitch before installation. Apply a calibrated torque wrench and follow the torque specification provided by the equipment manufacturer or structural engineer for Grade 8.8 fasteners. The uncoated finish offers no corrosion protection, so avoid use in wet or corrosive environments without additional protective measures.