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The METRIC BLUE UST176245 is a metric socket cap screw engineered for high-strength fastening applications where precision and clamping force are critical. Manufactured from alloy steel to a material grade of 12.9, this screw delivers exceptional tensile strength suited to demanding industrial and mechanical assemblies. It features an M6 x 1 thread profile, a length under head of 45 mm, and a partially threaded shank. Drive engagement is provided by a hex socket, compatible with standard Allen keys and hex bit drivers. The Metric Blue finish provides a base level of corrosion resistance and part identification. This fastener conforms to DIN 912 and ISO 4762 standards.
This screw is used in general mechanical assemblies, machine building, tooling fixtures, automotive components, and industrial equipment where a recessed-drive, high-strength metric fastener is required. The partially threaded shank allows the unthreaded portion to act as a shoulder for precise hole alignment and shear load transfer. It is suitable for residential shop applications and commercial manufacturing environments alike. Installers working to metric specifications will find this screw dimensionally consistent with DIN 912 and ISO 4762 requirements.
Designed as an OEM-style replacement or drop-in metric fastener for any assembly specifying an M6 x 1, 45 mm partially threaded socket cap screw to DIN 912 or ISO 4762 standards.
Installation of grade 12.9 socket cap screws should be performed by a qualified mechanic or technician using a calibrated torque wrench to the assembly specification. Always verify thread engagement depth and confirm the receiving hole is free of debris and burrs before driving the fastener. Do not substitute a lower-grade fastener in applications specifying 12.9 material grade, as this can result in joint failure. Consult the equipment manufacturer's torque specifications before final tightening.
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