Value Collection 534116PR M8x1.25 Flat Socket Cap Screw

Product Description

The VALUE COLLECTION 534116PR is a metric flat socket cap screw designed for flush or countersunk fastening applications in machine assemblies, tooling fixtures, and structural components. Manufactured from grade 12.9 alloy steel with a black oxide finish, this screw delivers high tensile strength and moderate corrosion resistance. The 90-degree flat head and internal hex socket drive allow installation in countersunk holes where a low-profile or flush surface is required. With an M8x1.25 thread and 30 mm overall length, it is fully threaded along its entire shank and conforms to DIN 7991 dimensional standards. Typical installers include machinists, millwrights, and mechanical assembly technicians.

This fastener is suited for metal-to-metal fastening in precision machinery, jigs, dies, hydraulic manifold assemblies, and fabricated steel structures where a recessed head is necessary to clear adjacent components or provide a smooth mating surface. The black oxide treatment reduces light reflection and provides minimal surface protection against moisture in controlled indoor environments. It is appropriate for high-load applications requiring the elevated clamp force that grade 12.9 hardware provides compared to standard grade 8.8 or 10.9 fasteners.

Key Features

• Grade 12.9 alloy steel construction for high tensile and proof load capacity
• 90-degree flat head with hex socket drive for countersunk installations
• Black oxide finish for reduced reflectivity and mild corrosion protection
• Fully threaded shank along the entire 30 mm length
• Conforms to DIN 7991 fastener standard for consistent dimensional accuracy
• Metric thread M8x1.25 for compatibility with standard metric tapped holes

Compatibility

Designed as a DIN 7991-compliant metric flat socket cap screw for use in any application requiring an M8x1.25 countersunk hex socket fastener with a 90-degree flat head profile.

Installation Notes

Installation requires a 5 mm hex key or Allen driver sized to the internal socket. The mating hole should be machined or drilled to the appropriate 90-degree countersink angle per DIN 7991 specifications before installation. Always torque grade 12.9 fasteners to the application-specific value listed in the equipment service documentation, as overtightening can cause thread stripping or component damage. Power down or de-energize any equipment before accessing fastened assemblies in electrical or mechanical enclosures.