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太陽螺帽 lock nut

Lock Nut (Bearing Lock Nut｜Sun Nut)

Lock nuts are anti-loosening fasteners used for securing shaft ends, commonly found in bearing housings, rotating assemblies, and power transmission systems.
Their distinctive shape allows for easy installation and secure tightening, and they can be paired with washers, locking plates, or keyways to ensure operational stability.

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Product Features

  • Suitable for securing bearings, clamping gears, or locking components

  • Compatible with MB washers, key lock tabs, or other anti-rotation devices

  • Available in multiple slot types: round hole, flat slot, or outer groove for various tool fits

  • Optional tools available: spanner wrenches, socket adapters, lock accessories

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Material & Finish

  • SS400 (Carbon Steel): Zinc-plated for general mechanical use

  • SUS304 (Stainless Steel): Corrosion-resistant, ideal for outdoor or humid environments

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Size Range

  • Thread size: M10 to M200

  • Custom threads, diameters, and slot shapes available upon request

  • Imperial sizes (UNF) or other standards can be manufactured

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Applications

  • Bearing assemblies for axial preload and positioning

  • Anti-loosening solutions in power transmission systems

  • Locking mechanisms for spindles and motor end caps

  • Mounting of rotating discs, flanges, and rollers

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Customization & Notes

  • Custom thread types or locking designs available per drawing or sample

  • Matching accessories (e.g., MB washers, lock plates) available on request

  • Small batch inventory available with same-day shipping and rapid production

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