Value Collection 815577PS Hex Head Cap Screw M20 X 2.50

Product Description

The VALUE COLLECTION 815577PS is a metric hex head cap screw engineered for industrial and mechanical fastening applications requiring reliable clamping force in heavy-duty assemblies. It is manufactured from Grade 8.8 steel with a zinc-plated finish and features partial threading along its 240 mm length under head. The M20 x 2.50 thread profile and 30 mm hex drive size suit it for high-load bolted joints in structural, machinery, and equipment fabrication work. At 1.41 pounds, this is a substantial fastener intended for professional installation by machinists, millwrights, maintenance mechanics, and structural fabricators working to metric standards.

This cap screw is designed for use in metric-dimensioned assemblies across industrial, commercial, and OEM manufacturing environments. The partial-thread configuration makes it well suited for through-bolt and clamped-joint applications where the unthreaded shank must bear shear loads. It conforms to DIN 931 and ISO 4014 standards, making it a direct fit for applications specifying either of those fastener standards. Typical installation scenarios include heavy equipment frames, structural steel connections, machinery bases, and flange bolting where a Grade 8.8 hex cap screw is called out by engineering specification.

Key Features

• M20 x 2.50 metric thread with 240 mm length under head for long-reach clamping applications
• Grade 8.8 steel construction provides high tensile and proof load capacity suitable for structural joints
• Zinc-plated finish offers baseline corrosion resistance for indoor and protected outdoor use
• Partial threading preserves an unthreaded shank section for shear-load and clamped-joint installations
• 30 mm hex drive size compatible with standard metric wrenching tooling
• Conforms to DIN 931 and ISO 4014 dimensional and material standards

Compatibility

Designed as an OEM-style and MRO replacement fastener for metric bolted assemblies specifying a DIN 931 or ISO 4014 hex head cap screw in M20 x 2.50, Grade 8.8, with a 240 mm length under head.

Installation Notes

Installation is typically performed by qualified mechanics, millwrights, or structural fabricators using calibrated metric wrenching or hydraulic torque tooling appropriate for Grade 8.8 fasteners. Always verify thread engagement depth and mating nut grade before final torquing. De-energize, de-pressurize, or otherwise make safe any equipment or structure before removing or replacing structural fasteners. Follow applicable engineering drawings, equipment service manuals, or relevant structural codes for torque specifications and joint preparation.