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The METRIC BLUE UST192823 is a flat socket cap screw engineered for high-strength metric fastening applications. Built to DIN 7991 standards, it features a 90-degree flat head profile with a 6.00 mm hex socket drive and a fully threaded M10x1.5 shank at 16.00 mm overall length. The screw is manufactured from grade 12.9 alloy steel, placing it at the upper tier of metric fastener strength classifications. The Metric Blue finish provides a consistent visual identifier and light surface protection. Mechanical and structural assemblers working with metric-spec equipment are the primary installers of this fastener.
This flat socket cap screw is suited for applications where a flush or countersunk head profile is required, such as machine assemblies, precision fixtures, structural brackets, and equipment housings. The DIN 7991 standard geometry makes it a direct fit in metric-dimensioned countersunk bores. The 90-degree flat head seats correctly in standard metric countersunk holes without modification. Grade 12.9 tensile strength makes it appropriate for high-clamp-load and vibration-prone assemblies common in industrial and mechanical trade work.
Designed as a DIN 7991 metric flat socket cap screw compatible with standard M10x1.5 metric countersunk bores in mechanical assemblies, fixtures, and equipment requiring a flush fastener profile.
Installation is performed by mechanical assemblers, machinists, or field technicians using a calibrated hex key or socket driver sized to 6.00 mm. Ensure the mating countersunk bore is machined to the correct 90-degree included angle per DIN 7991 specifications before seating the fastener. Grade 12.9 fasteners require proper torque tools and should not be tightened by feel alone. Do not substitute a lower-grade fastener in applications specified for grade 12.9 without verifying load requirements.
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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