Value Collection MP33640 Hex Socket Cap Screw 3/8-16 Unc

Product Description

The VALUE COLLECTION MP33640 is a hex socket cap screw designed for high-strength mechanical fastening in industrial, commercial, and trade applications. Featuring a 3/8-16 UNC thread and a 2.5-inch length under head, this fastener is partially threaded to provide controlled clamping engagement. The 5/16-inch hex drive socket accepts a standard hex key or Allen wrench. Manufactured from alloy steel with a black oxide finish, it offers solid corrosion resistance for moderate-environment use. Installation requires no special tooling beyond a properly sized hex key. Machinists, maintenance technicians, and mechanical contractors install this type of fastener across a wide range of assemblies.

This socket cap screw is suited for machine assemblies, equipment frames, fixtures, jigs, and structural mechanical connections where a low-profile, high-strength fastener is needed. The partial threading makes it appropriate for through-hole and clearance-hole applications where a bearing surface is required along part of the shank. The black oxide coating provides a finished appearance and light surface protection in indoor or sheltered environments.

Key Features

• 3/8-16 UNC thread for reliable, standard hex fastener engagement
• 2.5-inch length under head for deeper grip in thicker assemblies
• Partially threaded shank provides accurate alignment and shank bearing strength
• 5/16-inch hex socket drive compatible with standard hex keys and Allen wrenches
• Alloy steel construction meets ASME/ANSI B18.3 and ASTM A574 standards
• Black oxide coating adds corrosion resistance and reduces light reflection

Compatibility

Designed as an OEM-style replacement or standard-stock hex socket cap screw for any assembly requiring a 3/8-16 UNC partially threaded fastener meeting ASME/ANSI B18.3 and ASTM A574 specifications.

Installation Notes

Install and remove using a properly sized 5/16-inch hex key or Allen wrench to prevent drive socket rounding. De-energize and lock out all equipment before servicing fastened assemblies per applicable OSHA lockout/tagout procedures. Do not exceed the rated torque range for 3/8-16 alloy steel cap screws as specified by your assembly engineer or applicable fastener standards. Inspect threads for debris or damage before installation to ensure full thread engagement.