Butterfly Shape Spring Lock Washers Single Face Serrate Metric Fasteners Assortment M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 Anti-Loosening Washers for Mechanical Assembly (50,M14)

★★★★★ 4.4 80 reviews

US$17.71
Price when purchased online
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US$17.71
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Free shipping Free 30-day returns

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Product details

Management number 222180530 Release Date 2026/05/04 List Price US$17.71 Model Number 222180530
Category
  • Made of A2 stainless steel, these butterfly spring lock washers feature single-face serrated design to deliver reliable anti-loosening performance under vibration and dynamic loads.
  • Metric sizes range from M3 to M20, covering most household, automotive, machinery, and furniture fastening needs for versatile project use.
  • Serrated contact surface enhances grip between fasteners and mating surfaces, reducing rotation and maintaining tight connections in long-term use.
  • Butterfly spring structure provides consistent elastic tension, suitable for bolts, nuts, and threaded fasteners in industrial and daily assembly.
  • Corrosion resistant and stable in various environments, easy to store and select with complete sizing for repair, construction, and equipment maintenance.

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4.4 out of 5
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80 ratings | 33 reviews
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