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5/16 Double Layer self-Locking washers Anti-Loosening Washers Belleville Washers Vibration-Resistant Locking Fasteners for Automotive,IndustrialMachinery,Construction Equipment & Maintenance
4.8 (83 items)
Limited Time SaleUntil the end
22
20
32
$27.59 cheaper than the new price!!
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Free cash-on-delivery fees for purchases over $99
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New $45.99
Product details
| Management number | 216217241 | Release Date | 2026/04/19 | List Price | $18.40 | Model Number | 216217241 | ||
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- Engineered with a double-layer self-locking design to create irreversible friction, ensuring bolts stay securely tightened even under extreme vibration, heavy loads, or thermal expansion.
- Choose between corrosion-resistant stainless steel for harsh outdoor/chemical conditions or Dacromet-coated 65Mn steel for superior rustproofing and 500% longer fatigue life compared to standard washers.
- Covers 98% of industrial fastener needs, from small precision equipment (M3) to heavy-duty construction machinery (M56), eliminating the hassle of sourcing multiple washer types.
- Conical shape enhances elastic preload distribution, absorbing shocks and compensating for material relaxation to maintain tension 3x longer than flat washers.
- DIN25201 standards, trusted for automotive drivetrains, CNC machine bases, bridge bolt connections, and high-speed rail track fastening systems.
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