Value Collection R52001078 Flat Head Phillips Screw 1/4-20

Product Description

The VALUE COLLECTION R52001078 is a 1/4-20 flat head Phillips machine screw designed for general-purpose fastening in metal and structural assemblies. Manufactured from steel with a zinc-plated finish, this screw meets ASME B18.6.3 and SAE J82 standards, making it a reliable choice for applications where dimensional consistency and corrosion resistance matter. The flat head profile allows the fastener to sit flush with or below the surface of the mating material when countersunk properly. At 3.5 inches in overall length with a 1/4-20 thread pitch, it suits medium-depth fastening tasks in fabrication, maintenance, and repair work.

This screw is suited for use in light industrial, commercial, and mechanical assembly applications where a Phillips drive and flush seating are required. The zinc plating provides a basic level of corrosion protection, appropriate for indoor and controlled-environment use. Electricians, HVAC technicians, plumbers, and general maintenance trades commonly use fasteners of this type when securing panels, brackets, junction boxes, and equipment enclosures. Sold in minimum order quantities of 50 units per order, with a package quantity of 1.

Key Features

• 1/4-20 unified coarse thread for broad tooling compatibility
• Flat head profile designed for countersunk flush installations
• Phillips drive type for use with standard power and hand drivers
• Zinc-plated steel finish for basic corrosion resistance
• Meets ASME B18.6.3 and SAE J82 fastener standards
• Overall length and length under head both measure 3.5 inches

Compatibility

Designed as a standard 1/4-20 coarse-thread machine screw suitable for use in any application requiring an ASME B18.6.3-compliant flat head Phillips fastener in that thread size and length.

Installation Notes

A properly sized countersink must be prepared in the mating material before installation to achieve a flush or sub-flush head seating. Use a Phillips screwdriver or bit sized for a 1/4-inch fastener head to avoid cam-out and driver damage. Power down or de-energize any equipment before fastening work begins on live panels or enclosures. Follow applicable mechanical and electrical codes for fastener torque class and material compatibility in the specific installation environment.