Value Collection 583615PR 1/4-20 X 1/2 in Round Head Slotted Screw

Product Description

The VALUE COLLECTION 583615PR is a 1/4-20 unified coarse thread (UNC) machine screw with a round head and slotted drive, measuring 1/2 inch in length under head. Constructed from alloy steel with a zinc finish for basic corrosion resistance, this fastener is suited for general mechanical assembly applications. The slotted drive accepts a standard flat-blade screwdriver. At 0.05 pounds per unit, it is a lightweight hardware item used across a wide range of light industrial and mechanical installations.

This machine screw is appropriate for use in general-purpose fastening tasks where a 1/4-20 UNC thread form is specified. Typical applications include panel assembly, equipment mounting, and light structural fastening in HVAC, electrical, and plumbing equipment enclosures. It is sold in a minimum order quantity of 100 units, making it suitable for bulk hardware stocking by service shops and maintenance departments.

Key Features

• 1/4-20 UNC thread for broad compatibility with standard tapped holes and hex nuts
• Round head profile provides a low-profile finished appearance on exposed assemblies
• Slotted drive compatible with standard flat-blade screwdrivers and power bits
• Alloy steel construction offers strength suitable for general mechanical fastening
• Zinc finish provides basic corrosion resistance in dry or lightly humid environments
• Sold in multiples of 100 for efficient bulk stocking

Compatibility

Designed as a general-purpose 1/4-20 UNC machine screw suitable for any application requiring a round head slotted fastener in that thread size and 1/2 inch under-head length.

Installation Notes

Installation is performed with a standard flat-blade screwdriver or compatible power bit. Confirm the mating tapped hole or nut is 1/4-20 UNC before installation to avoid cross-threading. Do not overtighten alloy steel fasteners in softer base materials such as aluminum or plastic. Follow applicable equipment manufacturer torque guidelines where specified.