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The VALUE COLLECTION DNFI031P5-100BX is a Grade 2 steel acorn nut finished in nickel plating, designed to provide a clean, domed cap over exposed fastener ends. The 5/16-24 UNF right-hand thread ensures compatibility with fine-thread applications where vibration resistance and precise thread engagement matter. At 0.1 pounds per unit, this nut is suited for light-duty mechanical assemblies where a finished appearance is required alongside functional thread protection. Tradespeople and assemblers select acorn nuts like this one when a closed end is needed to guard threads from contamination or contact. The nickel plating adds corrosion resistance and a consistent surface finish.
This acorn nut is used across a broad range of trade and light industrial applications including HVAC equipment panels, electrical enclosures, plumbing fixture trim, and general mechanical assemblies. It is appropriate for residential and light commercial work wherever a 5/16-24 UNF fine-thread fastener termination point needs to be capped and protected. The 9/16-inch width across flats allows installation with a standard hex wrench or socket. Overall height is 3/8 inches. This SKU is sold individually with a minimum order quantity of 10 units.
Designed as an OEM-style replacement or general-use acorn nut for any application requiring a 5/16-24 UNF fine-thread, right-hand fastener cap in steel.
Install using a 9/16-inch hex socket or open-end wrench. De-energize or shut off any relevant system before accessing fastener points on live equipment. Do not over-torque; Grade 2 steel has lower proof load limits than Grade 5 or Grade 8 hardware. Inspect threads on the mating stud or bolt before installation to ensure clean engagement.
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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