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The VALUE COLLECTION 534030PR is a metric flat socket cap screw manufactured from grade 12.9 alloy steel with a black oxide finish. The 90-degree flat head and hex socket drive are designed for flush or countersunk installations where a low-profile fastener is required. At M4x0.7 threading and 20mm overall length, this screw is fully threaded and conforms to DIN 7991 standards. Grade 12.9 material provides high tensile strength suitable for demanding mechanical assemblies. Black oxide coating offers mild corrosion resistance and reduces light reflection. Machinists, millwrights, and mechanical contractors install this fastener in precision equipment, fixtures, and structural assemblies requiring a countersunk hex-drive fastener.
This flat socket cap screw is suited for metric-spec mechanical assemblies in industrial, manufacturing, and equipment fabrication applications. The DIN 7991 standard makes it a direct fit for European-spec machinery and tooling. The 90-degree flat head seats cleanly into standard metric countersunk holes. It is appropriate for use in tight-clearance installations where a standard button or cylindrical cap head would protrude. Minimum order quantity is 100 pieces, making this screw practical for production-level use and bulk fastener inventory.
Designed as a DIN 7991-compliant metric flat socket cap screw for use in standard M4x0.7 countersunk metric thread applications in industrial and mechanical assemblies.
Installation requires a 2.50mm hex socket driver or hex key. Ensure the mating countersink angle matches the 90-degree flat head geometry before installation. De-energize or lock out any equipment before fastener service per applicable safety procedures. Do not exceed the rated torque range for grade 12.9 M4 fasteners as specified by the equipment manufacturer or applicable standards.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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