Double Spring Lock Washers ?C Secure Fastening Against Vibration
Description:
Our?double spring lock washers?(also called?dual-coil lock washers) provide superior?anti-loosening performance?for bolts and screws under high vibration or dynamic loads. The?dual-spring design?creates constant tension, ensuring a secure grip even in extreme conditions.
Key Features:
??High-Tension Design??C Dual-coil spring action maintains pressure to prevent loosening.
??Reusable & Durable??C Made from hardened?carbon steel (Grade 8.8/10.9)?or?stainless steel (A2/A4)?for corrosion resistance.
??Wide Compatibility??C Available in sizes?M4 to M20, compliant with?DIN 128, ISO 7980.
??Industrial Applications??C Ideal for?automotive, machinery, construction, and aerospace.
How It Works:
The?two interlocking coils?generate radial tension against the bolt head and surface, resisting rotational forces caused by vibration or thermal cycling. Unlike single-coil washers, the double-spring design offers?twice the retention force.
Standards & Materials:
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Standards:?DIN 128, ISO 7980, ANSI B18.21.1
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Materials:?Carbon steel (zinc-plated/blued), stainless steel (A2/A4)
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Temperature Range:?-30??C to +250??C (stainless steel variants available for extreme conditions).
Why Choose Our Lock Washers?
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Tested for Reliability??C Ensured performance under?vibration (DIN 25201)?and torque tests.
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Global Compliance??C Meets?EU/US industrial standards?for safety-critical applications.
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