Holo-krome 87113 Flat Socket Cap Screw M6x1 45mm

Product Description

The HOLO-KROME 87113 is a metric flat socket cap screw engineered for flush or countersunk fastening applications where a low-profile head and high tensile strength are required. Built to ANSI B1.13M and ISO 10642 standards, this screw features a 90-degree flat head with a 4 mm hex socket drive and is manufactured from 12.9 grade alloy steel with a black oxide finish. The M6x1 thread size and 45 mm overall length make it well-suited for precision assemblies in mechanical, structural, and industrial settings. Partial threading provides clamping force typical of standard cap screw configurations. Licensed trades and mechanical assembly professionals handle installation.

This screw is used in applications that require a countersunk fastener with high load capacity. The 12.9 material grade indicates a minimum tensile strength consistent with high-strength fastener classifications, making it appropriate for machine components, fixtures, tooling, and structural hardware assemblies. The black oxide finish offers mild corrosion resistance and reduces light reflection in exposed installations. The 4G thread fit class ensures controlled thread engagement consistent with metric fastener specifications.

Key Features

• 90-degree flat head seats flush in countersunk holes per ISO 10642
• 12.9 grade alloy steel construction for high tensile strength applications
• 4 mm hex socket drive for standard Allen key or hex bit tools
• Black oxide finish provides mild corrosion and abrasion resistance
• Partial threading per standard cap screw practice for proper clamping
• 4G thread fit class for consistent metric thread engagement

Compatibility

Designed as a standard-profile metric flat socket cap screw for use in countersunk M6x1 threaded assemblies conforming to ANSI B1.13M and ISO 10642.

Installation Notes

Installation is performed by mechanical assembly technicians or maintenance professionals using a calibrated 4 mm hex key or hex socket driver. Ensure the mating countersink angle matches the 90-degree head geometry before seating. Power down or de-energize any equipment before fastener replacement in electromechanical assemblies. Do not exceed the rated thread fit class engagement depth or apply impact drive tools without torque limiting controls.