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The METRIC BLUE UST176325 is a fully threaded socket cap screw engineered for high-strength fastening applications in industrial, mechanical, and structural assemblies. Built from alloy steel to material grade 12.9, it delivers exceptional tensile and yield strength compared to standard-grade fasteners. The M24 x 3 thread profile paired with a 60 mm length under head provides deep engagement in heavy-duty connections. Drive engagement is through a hex socket, requiring an appropriately sized Allen key or hex driver. Licensed technicians, millwrights, and mechanical contractors working on precision-critical assemblies will find this screw meets strict dimensional and performance standards.
This screw is suited for use in machine frames, industrial equipment, tooling fixtures, and structural bolted joints where a flush or recessed cap head profile is required. The Metric Blue finish provides a degree of corrosion resistance appropriate for controlled indoor environments. Fully threaded along its usable length, it accommodates thinner material stacks and blind-hole applications where maximum thread engagement is needed. Conforming to DIN 912, this fastener meets internationally recognized dimensional standards for socket cap screws.
Designed as a DIN 912-compliant M24 x 3 socket cap screw suitable for use in any tapped or through-hole application calling for a 12.9-grade alloy steel metric fastener of this thread and length specification.
Installation should be performed by a qualified mechanic, millwright, or mechanical technician familiar with high-strength metric fastener procedures. Use a calibrated torque wrench with the correct hex socket bit to achieve proper clamp load without yielding the fastener. Verify thread engagement depth and hole cleanliness before installation. Never reuse a fastener that has been loaded beyond its yield point or shows signs of thread damage.
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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