Value Collection 580515PR Machine Screw 12-24 X 1/2 in Flat Slotted

Product Description

The VALUE COLLECTION 580515PR is a 12-24 x 1/2 inch overall length flat head slotted machine screw designed for general-purpose fastening in metalworking, electrical enclosures, and light mechanical assemblies. Manufactured from Grade 2 steel with a zinc finish, this screw provides corrosion resistance suitable for indoor and moderate-exposure applications. The flat head profile sits flush with or below the mating surface when installed in a countersunk hole. Thread form is Unified National Coarse (UNC), which offers strong thread engagement and resistance to cross-threading during installation. Sold in a minimum order quantity of 100 pieces per package.

This screw is used across a wide range of trade and industrial applications including panel assembly, electrical enclosure fabrication, HVAC equipment mounting, and general sheet metal work. The 12-24 UNC thread size is a common standard in light-duty mechanical and electrical assemblies. The slotted drive accepts a standard flat-blade screwdriver, making it accessible with basic hand tools. The zinc coating provides a layer of protection against oxidation, extending service life in dry to mildly humid environments.

Key Features

• 12-24 UNC thread for strong engagement in standard tapped holes
• 1/2 inch overall length with full thread along the shank
• Flat head profile for flush or countersunk installations
• Slotted drive compatible with standard flat-blade screwdrivers
• Grade 2 steel construction with zinc finish for corrosion resistance
• Sold in multiples of 100 pieces per order

Compatibility

Designed as a standard 12-24 UNC flat head slotted machine screw suitable for use in any application requiring a countersunk or flush-mount fastener in a 12-24 tapped or clearance hole.

Installation Notes

Installation is performed with a standard flat-blade screwdriver sized to the slot width. Ensure the mating hole is properly tapped to 12-24 UNC or use with the appropriate clearance hole and nut. For countersunk applications, verify the countersink angle matches the flat head profile before driving to avoid fastener rocking or surface damage. Do not overtighten, as Grade 2 steel has lower tensile strength than Grade 5 or Grade 8 fasteners.