Value Collection -48546-1 Hex Socket Cap Screw 3/8-16 Unc

Product Description

The VALUE COLLECTION -48546-1 is a hex socket cap screw designed for secure, high-strength fastening in mechanical assemblies and structural applications. Manufactured from alloy steel with a black oxide finish, this fastener meets ASME/ANSI B18.3 and ASTM A574 standards, making it suitable for demanding industrial and maintenance environments. The 3/8-16 UNC thread and 3-3/4 inch length under head provide solid engagement across a range of material thicknesses. Drive is a 5/16 inch hex socket, requiring a standard Allen or hex key driver. This screw is partially threaded, which helps align mating components before full engagement. Machinists, millwrights, and maintenance technicians are the primary installers.

This socket cap screw is used in general industrial assembly, machinery mounting, fixture building, and equipment maintenance. The partially threaded shank makes it well suited for applications where shoulder engagement or clamping force distribution is needed. The black oxide coating provides mild corrosion resistance and reduces light reflection in precision environments. It is appropriate for both shop fabrication and field repair work wherever a 3/8-16 UNC threaded hole or nut is present.

Key Features

• 3/8-16 UNC thread form for standard inch-series fastener applications
• 3-3/4 inch length under head for deep reach or thick-material fastening
• Partially threaded shank aids component alignment and shoulder clamping
• 5/16 inch hex drive accepts standard Allen keys and hex bit drivers
• Alloy steel construction meets ASTM A574 high-strength socket screw requirements
• Black oxide finish provides mild corrosion resistance and low-reflectance surface

Compatibility

Designed as a standard replacement or stock fastener for any assembly using 3/8-16 UNC threaded holes requiring a socket cap screw per ASME/ANSI B18.3.

Installation Notes

Installation is performed with a 5/16 inch hex key or hex socket driver. Ensure the mating threaded hole is clean and free of debris before installation. Do not exceed the torque capacity of the alloy steel fastener by using power tools without a calibrated torque limiting clutch. Follow applicable machine or equipment manufacturer specifications for final torque values.