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The VALUE COLLECTION JNI5025LH-100BX is a 1/4-20 hex nut with left-hand thread, manufactured from Grade 2 steel with a bright uncoated finish. It measures 7/16 inches across the flats and 5/32 inches in height, conforming to UNC thread standards. This nut is used wherever a left-hand thread fastener is required to prevent loosening under rotational forces that would back out a standard right-hand nut. Licensed tradespeople and mechanical contractors install these in applications where counter-rotation or specialized fastening configurations are specified.
Left-hand thread hex nuts are commonly used in mechanical assemblies, rotating equipment, and specialty fabrication applications where right-hand threads would loosen under operational torque. This nut is sold in a minimum order quantity of 100 pieces per order, with each package containing 1 unit. Grade 2 steel provides adequate tensile strength for light to medium fastening duties in non-critical structural applications.
Designed for use with 1/4-20 left-hand thread fasteners and threaded rod in UNC thread form applications requiring reverse-thread engagement.
Left-hand thread fasteners tighten counter-clockwise and loosen clockwise — opposite of standard hardware. Verify thread direction before installation to avoid cross-threading or stripping. A standard 7/16 inch hex wrench or socket is used for installation and removal. Do not mix left-hand and right-hand threaded fasteners in the same assembly without engineering review.
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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