Value Collection MKCS05C0259MBPKG M5x0.8 Socket Cap Screw 100pk

Product Description

The VALUE COLLECTION MKCS05C0259MBPKG is an M5x0.8 socket cap screw designed for high-strength fastening applications across mechanical, HVAC, plumbing, and electrical assembly work. The screw features a fully threaded shank with a 25 mm length under the head and is driven by a 4 mm hex key. Manufactured from alloy steel to a 12.9 material grade, it delivers high tensile and proof load capacity suitable for demanding structural and equipment-mounting applications. The zinc-blue trivalent chromate finish provides corrosion resistance and meets RoHS and REACH compliance standards. This package contains 100 screws.

This socket cap screw suits residential and commercial trade applications where a recessed hex-drive fastener is required in confined or flush-mount installations. Common use cases include securing HVAC equipment panels, electrical enclosures, pump housings, and mechanical assemblies where standard external-drive fasteners are impractical. The coarse M5x0.8 thread pitch is the standard metric coarse pitch for M5 fasteners, making these screws widely compatible with pre-tapped metric holes and standard metric nuts. Right-hand thread direction follows conventional installation practice.

Key Features

• M5x0.8 coarse thread, right-hand direction — fits standard metric M5 tapped holes
• 25 mm length under head, fully threaded for maximum thread engagement
• Alloy steel grade 12.9 construction for high tensile strength
• 4 mm hex drive socket head for recessed or torque-sensitive installations
• Zinc-blue trivalent chromate finish — RoHS and REACH compliant corrosion protection
• Meets DIN 912 and ISO 4762 fastener standards
• Sold in a 100-piece package to support service stock and bulk installations

Compatibility

Designed as a standard DIN 912 and ISO 4762 socket cap screw for use in any application requiring an M5x0.8 coarse-thread fastener with a hex socket drive.

Installation Notes

Installation is performed with a 4 mm hex key or hex bit driver. De-energize and isolate any equipment before accessing fastener locations on electrical or HVAC assemblies. Grade 12.9 alloy steel screws should not be substituted with lower-grade fasteners in structural or high-load joints. Follow applicable equipment manufacturer torque specifications and relevant codes such as NEC or IFGC when fastening within regulated systems.