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The VALUE COLLECTION 586788PS is a flat head Phillips machine screw designed for general mechanical fastening applications. It features a 3/8-16 unified coarse thread and measures 1-3/4 inches in overall length. The flat head profile sits flush with or below the surface of the mated material when properly countersunk, making it suitable for assemblies where a low-profile finish is required. Manufactured from steel with a zinc finish, this screw meets ASME B18.6.3 and SAE J82 standards. It is installed by HVAC technicians, maintenance mechanics, plumbers, and general trade professionals wherever a standard inch-series machine screw is called for.
This screw is used in a wide range of residential and light commercial applications, including equipment panels, brackets, junction boxes, and mechanical assemblies that require a flush-mount fastener. The 3/8-16 coarse thread provides solid engagement in steel, aluminum, and other common base materials. The Phillips drive works with standard No. 3 Phillips bits. No washer is included or required under the head for standard installations.
Designed as a standard inch-series machine screw for use in any application requiring a 3/8-16 coarse thread flat head Phillips fastener in steel with zinc finish.
Install using a No. 3 Phillips screwdriver or bit driver. The mating hole must be properly countersunk to the correct angle to seat the flat head flush. De-energize and isolate any equipment before fastening near electrical components. Do not over-torque steel machine screws in aluminum tapped holes, as thread stripping can occur.
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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