Value Collection 1520MPF 1/4-28 Flat Head Phillips Machine Screw

Product Description

The VALUE COLLECTION 1520MPF is a 1/4-28 unified fine thread machine screw with a flat head and Phillips drive. Made from steel with a zinc finish, this fastener measures 1-1/4 inches in overall length and is manufactured to ASME B18.6.3 and SAE J82 standards. The flat head profile allows the fastener to sit flush with or below the mating surface when installed in a countersunk hole. The zinc coating provides basic corrosion resistance for general indoor and light industrial applications. These screws are sold in multiples of 100 units per order.

This screw is suited for light to medium-duty fastening tasks in mechanical assemblies, electrical enclosures, HVAC equipment panels, and general fabrication work where a flush-mount fastener is required. The 1/4-28 fine thread pitch provides tighter thread engagement than coarse thread equivalents, making it a common choice in metal-to-metal applications where vibration resistance or precise torque control matters. A standard Phillips driver or bit is all that is required for installation.

Key Features

• 1/4-28 unified fine thread for secure metal-to-metal engagement
• Flat head profile seats flush in countersunk holes
• Phillips drive compatible with standard screwdrivers and power bits
• Zinc finish provides corrosion resistance for general-use environments
• Meets ASME B18.6.3 and SAE J82 fastener standards
• Steel construction for reliable tensile and shear strength

Compatibility

Designed as a standard 1/4-28 flat head Phillips machine screw for use in any application requiring a countersunk fastener to ASME B18.6.3 specification.

Installation Notes

Installation is performed by hand or with a Phillips screwdriver or power driver fitted with the appropriate bit size. Always ensure the receiving hole is properly countersunk to the correct angle before driving a flat head screw flush. Torque to the requirements specified by the assembly drawing or equipment manufacturer. Avoid over-torquing, which can strip the Phillips drive recess or damage the mating material.