Description
The 5/16"-18 Coarse Thread Finished Hex Nut is a reliable, six-sided fastener suitable for a broad range of mechanical, structural, and general-purpose fastening needs. Designed to mate with 5/16"-18 UNC (Unified National Coarse) threaded bolts, screws, studs, and other compatible components, this standard hex nut offers secure and consistent performance.
Specifications:
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Thread Size: 5/16"-18 (Coarse Thread)
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Hex Width Across Flats: 1/2"
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Height/Thickness: 17/64" (nominal)
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Material: Typically steel (also available in stainless, zinc-plated, or other finishes)
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Finish: Plain, zinc-plated, or black oxide depending on application requirements
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Grade: Commonly available in Grades 2, 5, and 8 (steel), and stainless steel types such as 18-8 and 316
Features:
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Right-hand coarse threads provide compatibility with standard fasteners
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Hexagonal shape allows for quick and easy tightening using wrenches or sockets
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Finished pattern ensures a neat look and dependable fit
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Engineered for durability and moderate load-bearing applications
Applications:
Ideal for use in projects and industries where strength and stability are critical, such as:
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Equipment and machine assembly
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Light to medium structural frameworks
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Automotive repair and customization
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General construction, repair, and DIY projects
