Value Collection 534064PR M5x0.8 Flat Socket Cap Screw

Product Description

The VALUE COLLECTION 534064PR is a metric flat socket cap screw engineered for applications where a flush or countersunk fastener profile is required. Built to DIN 7991, this screw features a 90-degree flat head with a hex socket drive and is manufactured from 12.9 grade alloy steel for high tensile strength. The black oxide finish provides mild corrosion resistance and reduces light reflection in finished assemblies. With an M5x0.8 thread and 40 mm overall length, it is partially threaded and suited for precision fastening in metal fabrication, machinery, and equipment assembly. Installation is performed by qualified machinists, maintenance technicians, and trade professionals using a 3 mm hex key.

This flat socket cap screw is used in metric-threaded applications where a low-profile countersunk head is necessary to sit flush with or below the mating surface. Typical installations include machine frames, fixtures, tooling plates, and mechanical assemblies where head protrusion would interfere with moving parts or mating components. The 12.9 material grade indicates very high strength, making it appropriate for high-load or vibration-prone joints. Sold individually, with a minimum order quantity of 100 pieces.

Key Features

• DIN 7991 standard flat socket cap screw with 90-degree countersunk head for flush installation
• 12.9 grade alloy steel construction for high tensile and proof load capacity
• Black oxide finish for mild corrosion resistance and reduced surface reflectivity
• Hex socket drive, 3 mm, for precise torque application with standard hex keys or drivers
• Partial threading along M5x0.8 x 40 mm shank for shoulder-fit and accurate positioning
• Metric thread standard suitable for use with metric-threaded holes and inserts

Compatibility

Designed as a DIN 7991 metric flat socket cap screw for use in M5x0.8 threaded holes requiring a countersunk 90-degree seating angle, consistent with standard metric countersunk hole geometry found in machinery and fabricated assemblies.

Installation Notes

Installation requires a 3 mm hex key or socket driver; always ensure the mating hole is machined to the correct 90-degree countersink angle per DIN 7991 specifications before installation. De-energize and lock out any machinery before servicing fasteners in live equipment. Do not exceed the rated torque range for M5 class 12.9 fasteners as defined in applicable standards. Inspect threads and seating surfaces for contamination or damage prior to installation.