Value Collection 33608 Hex Socket Cap Screw 1/4-20 Unc

Product Description

The VALUE COLLECTION 33608 is a 1/4-20 UNC hex socket cap screw designed for mechanical assemblies requiring a compact, high-strength fastener with a low-profile head. Machined from alloy steel and finished with a black oxide coating, this screw delivers corrosion resistance and a clean appearance in service environments where exposed fasteners are acceptable. The 3/16-inch hex drive accepts a standard hex key or Allen wrench. At 2 inches in length under the head with partial threading, it provides adequate thread engagement for clamped joints while leaving a smooth shank in the grip area to resist shear loads.

This screw is suited for use in machinery, fixtures, tooling, and structural assemblies across industrial, commercial, and maintenance applications. The 1/4-20 UNC thread is one of the most common unified coarse-thread sizes in North American trade work, making it a straightforward replacement or repair fastener for a wide range of existing assemblies. Typical installers include machinists, millwrights, maintenance technicians, and fabricators working with steel or aluminum structures.

Key Features

• 1/4-20 UNC thread — common unified coarse pitch for broad compatibility
• 2-inch length under head — partially threaded for shear-load resistance at the grip
• 3/16-inch hex socket drive — fits standard hex keys and Allen drivers
• Alloy steel construction — higher tensile strength than standard steel fasteners
• Black oxide finish — mild corrosion resistance and reduced light reflection
• Meets ASME/ANSI B18.3 and ASTM A574 standards

Compatibility

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

Installation Notes

Installation requires a 3/16-inch hex key or Allen-head driver; use the correct size to avoid stripping the socket. Ensure the mating tapped hole is clean and free of debris before driving. Apply thread lubricant or anti-seize compound as appropriate for the service environment, particularly in dissimilar-metal assemblies. Follow applicable torque guidelines for 1/4-20 alloy steel fasteners per the relevant industry or equipment standard.