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The VALUE COLLECTION MPPI02503000-100BX is a 1/4-20 x 3-inch pan head machine screw with a Phillips drive, manufactured from Grade 2 steel with a zinc-plated finish. These fasteners follow Unified National Coarse (UNC) thread standards and are measured under the head at 3 inches. The zinc plating provides basic corrosion resistance suitable for general-purpose indoor and light-duty applications. Sold in a box of 100, this screw is a standard consumable used by HVAC technicians, plumbers, electricians, and general tradespeople for equipment assembly, panel attachment, and bracket mounting.
This machine screw is suited for light-to-medium fastening tasks across residential and commercial trade work. The pan head profile provides a low-profile bearing surface that works well against flat sheet metal, plastic housings, and equipment enclosures. The Phillips drive is compatible with standard power screwdrivers and manual drivers. These screws are commonly used in electrical panel assembly, HVAC equipment mounting, plumbing fixture bracketing, and general mechanical assembly where a 1/4-20 UNC thread pattern is specified.
Designed as a general-purpose replacement or stock fastener for any application requiring a 1/4-20 UNC pan head Phillips machine screw with a 3-inch length under the head.
Install with a Phillips screwdriver or a Phillips bit on a power driver set to appropriate torque to avoid cam-out or stripping. Ensure the mating hole or nut is tapped to 1/4-20 UNC before driving. Power down all electrical equipment before fastening or removing screws in live panels or control enclosures. Follow applicable NEC or local mechanical codes when using fasteners inside electrical or HVAC equipment.
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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