Value Collection 211225PR Flat Socket Cap Screw 3/8-16x3in

Product Description

The VALUE COLLECTION 211225PR 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 7/32-inch hex socket and is partially threaded along its 3-inch overall length with a 3/8-16 UNC thread. Constructed from alloy steel with a black oxide finish, this fastener offers good mechanical strength and moderate corrosion resistance. It is sized and toleranced to ASME/ANSI B18.3 and ASTM F835 standards, making it a reliable choice for precision mechanical assemblies, fixtures, and structural connections where a low-profile head is required.

This flat socket cap screw is suited for use in machine shops, manufacturing facilities, and maintenance environments where a countersunk fastener is necessary to keep mating surfaces flush. The partial threading allows for improved clamping force in through-bolt applications and is commonly used in metal fabrication, tooling, equipment assembly, and industrial maintenance work. It is installed by machinists, millwrights, and skilled tradespeople using standard hex key or Allen wrench tooling.

Key Features

• 82-degree flat head for flush or countersunk installation
• 7/32-inch hex socket drive for standard Allen key tooling
• 3/8-16 UNC partially threaded shank for improved clamping in through-bolt applications
• Alloy steel construction for high tensile strength
• Black oxide finish provides moderate corrosion resistance and reduces light reflection
• Meets ASME/ANSI B18.3 and ASTM F835 fastener standards

Compatibility

Designed as a standard inch-series flat socket cap screw compatible with any tapped or clearance hole application requiring a 3/8-16 UNC thread and an 82-degree countersunk seat per ASME/ANSI B18.3.

Installation Notes

Installation should be performed by a qualified machinist, millwright, or maintenance technician using a properly sized 7/32-inch hex key or Allen wrench. Ensure the receiving hole is countersunk to 82 degrees to achieve full head seating and flush surface contact. De-energize, de-pressurize, or otherwise lock out any equipment before servicing fasteners in live assemblies. Do not exceed the rated mechanical capacity of the fastener by applying impact tooling without appropriate adapters.