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The VALUE COLLECTION 531066PR is a metric low socket cap screw designed for applications where a standard-height cap head would interfere with mating components or clearance is restricted. Manufactured from alloy steel at material grade 10.9, this fastener delivers high tensile strength in a compact head profile. The black oxide finish provides mild corrosion resistance and reduces light reflection. The screw measures 10mm in length under the head with a fully threaded shank, an M5x0.8 thread, and a 3mm hex socket drive. It is installed with a standard 3mm hex key. Licensed plumbers, millwrights, HVAC technicians, and mechanical contractors commonly use this hardware in panel assemblies, equipment mounting, and tight-clearance bracket work.
This low socket cap screw is suited for metric fastening applications in light industrial, commercial, and trade equipment where head height must be minimized. The fully threaded M5x0.8 shank provides consistent thread engagement across the full length of the fastener, making it appropriate for thin material joints and through-bolt configurations. It conforms to fastener standard SIP 147 and is a common choice for securing enclosures, brackets, access panels, and mechanical sub-assemblies in HVAC equipment, pump housings, and electrical panel frames.
Designed as a standard metric M5x0.8 low socket cap screw conforming to SIP 147, suitable for use in any metric-threaded application requiring a 10mm fully threaded fastener with a low-profile cap head.
Installation requires a 3mm hex key or hex bit driver. Verify that the receiving thread is clean and free of debris before driving. Torque to the value specified by the equipment manufacturer for grade 10.9 M5 fasteners. Do not mix metric and unified inch-series hardware in the same threaded hole.
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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