Value Collection 015155PR Hex Socket Cap Screw 1/4-20

Product Description

The VALUE COLLECTION 015155PR is a hex socket cap screw designed for secure mechanical fastening in assemblies where a low-profile, high-strength connection is required. Threaded 1/4-20 UNC and fully threaded along its 1-1/4 inch length under head, this fastener is driven with a 3/16 inch hex key. The alloy steel construction with a black oxide finish provides corrosion resistance and reduces light reflection in applications where that matters. Machinists, millwrights, maintenance technicians, and fabricators rely on this type of fastener for clamping machine components, fixtures, enclosures, and structural assemblies. Meets ASME/ANSI B18.3, ASTM A574, and IFI 124 standards.

This screw is suited for general industrial, mechanical, and equipment assembly applications. The 1/4-20 UNC thread is one of the most common coarse-thread specifications in North American manufacturing and maintenance environments. The black oxide finish makes it appropriate for use in ferrous assemblies where mild corrosion protection and a matte appearance are preferred. Sold in multiples of 100, making it practical for production or shop stock replenishment.

Key Features

• 1/4-20 UNC coarse thread for broad compatibility with standard tapped holes
• Fully threaded 1-1/4 inch length under head for maximum thread engagement
• 3/16 inch hex drive for use with standard allen wrenches and hex keys
• Alloy steel construction for high tensile and shear strength
• Black oxide finish provides mild corrosion resistance and matte appearance
• Meets ASME/ANSI B18.3, ASTM A574, and IFI 124 fastener standards

Compatibility

Designed as a standard 1/4-20 UNC hex socket cap screw for use in any application requiring a fastener conforming to ASME/ANSI B18.3 dimensions and ASTM A574 mechanical properties.

Installation Notes

Installation is performed with a 3/16 inch hex key or allen driver. Ensure the mating tapped hole meets 1/4-20 UNC thread specifications before installation. Clean threads of debris and verify thread condition prior to assembly. Follow applicable industry or equipment manufacturer torque specifications for 1/4-20 alloy steel fasteners; do not over-torque, as this can strip threads or induce stress fractures in the fastener.