Product Overview
JAM NUT 1/420 HEX MACHINE SCREW NUT ALL HD XTENDER W/BLACK OXIDE
? Product Description (based on general listings):
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Type: 1/4‑20 hex jam nut (also known as a thin or check nut), designed to secure against standard nuts to prevent loosening
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Material & Finish: Alloy or stainless steel with black oxide coating for mild corrosion protection; often lightly oiled
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Dimensions: Size 1/4‑20 thread, approximately 5/32″ thick, across‑flats ~7/16″
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Use Case: Commonly used behind a standard hex nut to “lock” it in place, especially valuable in vibration-prone environments
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Packaging: Often sold in bulk cartons (e.g., 4,000‑piece) or smaller packs, but RealTruck might supply them individually or in small sets.
