Double Layer self-Locking washers Anti-Loosening Washers Belleville Washers Vibration-Resistant Locking Fasteners for Automotive, Industrial Machinery, Construction Equipment & Maintenance (3/4,12)
Product Description
Double Layer self-Locking washers Anti-Loosening Washers Belleville Washers Vibration-Resistant Locking Fasteners for Automotive, Industrial Machinery, Construction Equipment & Maintenance (3/4,12)
- 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.
Technical Specifications
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