Value Collection 211016PR Flat Socket Cap Screw 3-48 X 1/2 in

Product Description

The VALUE COLLECTION 211016PR is a flat socket cap screw designed for applications requiring a flush or countersunk fastener profile. It features an 82-degree flat head driven by a 1/16-inch hex socket and is fully threaded along its 1/2-inch overall length. The screw uses a 3-48 UNC thread and is manufactured from alloy steel with a black oxide finish that provides moderate corrosion resistance and reduces light reflection. This type of fastener is typically installed by machinists, maintenance technicians, and mechanical assemblers working on precision equipment, fixtures, and tooling where a recessed head is required.

This screw is suited for light-duty mechanical assemblies, instrument panels, and fixtures where the fastener must sit flush with or below the mating surface. The 3-48 UNC thread designation makes it appropriate for fine-pitch applications in thin or close-tolerance materials. The black oxide finish is common in industrial and shop environments. This item is sold individually but carries a minimum order quantity of 100 units, making it appropriate for maintenance shops, production lines, or contractors stocking standard fastener sizes.

Key Features

• 82-degree flat head profile for flush or countersunk installations
• 1/16-inch hex socket drive for precise torque application in tight spaces
• Fully threaded 1/2-inch overall length for maximum thread engagement
• Alloy steel construction for strength in mechanical assemblies
• Black oxide finish for reduced light reflection and moderate corrosion resistance
• Meets ASME/ANSI B18.3 and ASTM F835 fastener standards

Compatibility

Designed as a standard UNC flat socket cap screw compatible with any tapped or clearance hole sized for a 3-48 thread and an 82-degree countersink. Confirm countersink angle and thread fit before installation.

Installation Notes

Installation requires a 1/16-inch hex key or hex socket driver. Ensure the mating surface countersink matches the 82-degree head angle before driving the fastener. Power down or de-energize any equipment before accessing fastener locations on live assemblies. Do not over-torque alloy steel screws in soft or thin base materials, as thread stripping can occur.