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The VALUE COLLECTION 0512MSR is a 5-40 unified coarse thread machine screw with a round head and slotted drive, designed for general-purpose mechanical fastening in light assemblies. Built from steel with a zinc finish for basic corrosion resistance, this screw measures 3/4 inch in length under the head and is produced to ASME B18.6.3 and SAE J82 standards. It ships without a washer and is sized for use with a standard slotted screwdriver. These screws are sold in multiples of 100 units and are a staple in maintenance kits, panel assembly, and equipment repair work.
This screw is suited for residential and light commercial applications where a number 5 machine screw thread is specified. Common install scenarios include securing small panels, brackets, electrical enclosure covers, and instrument housings. The zinc coating provides a serviceable finish for indoor and protected outdoor environments. Technicians working in HVAC, electrical, or general mechanical service will recognize the 5-40 thread as a standard size in control board mounting, terminal strip attachment, and similar low-load fastening tasks.
Designed as a general-purpose 5-40 machine screw suitable for any application calling for an ASME B18.6.3 round head slotted fastener in that thread size and length.
Install with a flat-blade screwdriver sized to the slot to avoid cam-out or head damage. Apply fastener torque appropriate for the mating material and thread engagement depth as specified by the assembly drawing or equipment manual. Ensure tapped hole thread class is compatible with the 5-40 specification before installation. Do not use power tools without a torque-limiting clutch, as small-diameter machine screws are susceptible to over-torque failure.
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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