Value Collection 40238 Hex Socket Cap Screw 3/8-24 Unf

Product Description

The VALUE COLLECTION 40238 is a hex socket cap screw designed for applications requiring a secure, high-strength threaded fastener in a compact head profile. Manufactured from alloy steel with a black oxide finish, this screw measures 1 inch in length under the head and is fully threaded to the 3/8-24 UNF specification. The 5/16-inch hex drive accepts a standard Allen key or hex bit driver. It meets ASME/ANSI B18.3 and ASTM A574 dimensional and mechanical standards, making it suitable for structural and mechanical assembly work across a range of industries.

This screw is commonly used in machinery maintenance, mechanical assemblies, and equipment repair where a flush or recessed fastener head is required. The fine 3/8-24 UNF thread pitch provides increased thread engagement per inch compared to coarse-thread equivalents, making it a preferred choice in vibration-prone environments or where precise torque control is needed. Suitable for use by maintenance technicians, millwrights, and trade professionals working on industrial or commercial equipment.

Key Features

• 3/8-24 UNF fine-thread specification for increased thread engagement and vibration resistance
• Fully threaded 1-inch length under head for maximum engagement in thinner materials
• Alloy steel construction meets ASTM A574 mechanical requirements
• Black oxide finish provides mild corrosion resistance and reduces light reflection
• 5/16-inch hex socket drive compatible with standard Allen keys and hex bit drivers
• Conforms to ASME/ANSI B18.3 dimensional standards

Compatibility

Designed as a standard 3/8-24 UNF hex socket cap screw per ASME/ANSI B18.3, suitable for use in any application requiring a fine-thread alloy steel socket head cap screw of this thread size and length.

Installation Notes

Install using a 5/16-inch hex key or hex bit driver. Ensure the mating threaded hole is clean and free of debris before installation. De-energize or lock out any equipment before performing fastener replacement or maintenance work in accordance with applicable OSHA lockout/tagout procedures. Do not exceed the rated mechanical limits of the fastener by applying impact tools without proper torque control.