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The VALUE COLLECTION MP30229 is a fully threaded hex head cap screw designed for general mechanical assembly and fastening applications. Manufactured from Grade 5 steel with a zinc-plated finish, this screw provides a balance of tensile strength and corrosion resistance suitable for indoor and light outdoor service environments. The 3/8-24 UNF thread is a fine-pitch designation, offering improved thread engagement and resistance to loosening under vibration compared to coarse-thread equivalents. Conforming to ASME B18.2.1, the fastener meets standardized dimensional tolerances for consistent fit across compatible hardware and tapped holes. Sold in a pack of 25 units.
These cap screws are appropriate for use in mechanical, HVAC, electrical enclosure, and light structural assembly work where a fine-thread, inch-series fastener is specified. The zinc-plated finish provides basic protection against oxidation in controlled environments. Typical applications include securing brackets, mounting flanges, equipment panels, and other structural components where Grade 5 strength is the minimum requirement and UNF thread engagement is specified by design.
Designed as a standard inch-series hex head cap screw compatible with any 3/8-24 UNF tapped hole or corresponding nut conforming to ASME B18.2.1 dimensional specifications.
Installation is performed with a standard hex wrench or socket set sized for a 3/8-inch hex head fastener. Always verify thread engagement depth in the tapped hole or nut before applying final torque. Do not mix UNF and UNC thread specifications in the same assembly. Follow applicable mechanical or equipment manufacturer torque specifications when tightening to avoid fastener or component damage.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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