M2-M64 Lock Washers | DIN 127 & DIN 6798 | High-Tensile Stainless Steel & 65Mn Series

High-performance M2-M64 Lock Washers designed to prevent fasteners from loosening under intense vibration and thermal cycling. Manufactured to DIN 127 (Spring) and DIN 6798 (Serrated) standards. Available in 304/316 Stainless Steel and Heat-Treated 65Mn Spring Steel. Ideal for automotive, machinery, and electrical assemblies requiring secure, long-term fastening.

  • Standards: DIN 127, DIN 6798, DIN 128, Wedge Lock
  • Material: Stainless Steel / Carbon Steel (Zinc Plated / Dacromet)
  • Feature: High torque retention and superior anti-loosening performance.
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Advanced M2-M64 Lock Washers: Professional Anti-Vibration Solutions

Our M2-M64 Lock Washers are engineered to provide maximum security for threaded fasteners in high-vibration and high-torque environments. These anti-vibration washers function by either creating tension (Spring type), biting into the material (Serrated type), or utilizing wedge-locking technology to prevent spontaneous loosening. Whether you are in the automotive, railway, or heavy machinery sector, our DIN 127 and DIN 6798 series offer the reliability required for critical mechanical joints.

As a specialized lock washer factory, we provide a comprehensive range of sizes from M2 to M64 in materials such as 65Mn Spring Steel and 316 Stainless Steel to ensure long-term durability and safety.

Key Advantages of Our Industrial Lock Washer Series

  • Multiple Locking Mechanisms: From Split Lock Washers that provide spring tension to External Serrated Washers that increase friction against the nut.
  • High-Tensile Performance: Our 65Mn spring steel washers are professionally heat-treated to maintain elasticity even after repeated compression.
  • Corrosion Resistance: Available in Dacromet and Ruspert coatings for 1000+ hours of salt spray protection, or SS316 for marine use.
  • Standard Compliance: Fully compliant with DIN 127B, DIN 6798 A/J, and DIN 128 for global engineering compatibility.

Technical Data: Lock Washer Selection ChartSelect the correct metric lock washer style based on your application’s vibration level and material hardness.

StandardDescriptionBest UseLocking Type
DIN 127Split Spring WasherGeneral MachineryTension
DIN 6798AExt. Serrated WasherElectrical EnclosuresTeeth Bite
DIN 6798JInt. Serrated WasherCompact AssembliesTeeth Bite
NL SeriesWedge Lock WasherRailway & MiningWedge Cam
DIN 128Curved Spring WasherSensitive MountingElastic Force

Critical Applications Across Heavy IndustryOur M6-M48 Locking Fasteners are essential in several high-demand sectors:

  • Automotive & EV: Securing battery packs and chassis components against constant vibration.
  • Renewable Energy: Used in wind turbines and solar trackers where thermal expansion occurs.
  • Infrastructure: Hot Dip Galvanized lock washers for bridges and steel framing.
  • Aerospace: Lightweight stainless steel serrated washers for secure instrumentation mounting.

Lock Washer Frequently Asked QuestionsQ: When should I use a serrated washer vs. a spring washer?
A: Serrated washers (DIN 6798) are best for creating a grounded electrical connection or biting into soft metals. Spring washers (DIN 127) are preferred for maintaining bolt preload in high-temperature or standard vibrating joints.

Q: Can I reuse a wedge-lock washer?
A: While Wedge-lock washers are high-performance, we recommend inspection before reuse to ensure the cam surfaces and serrations are not worn down.

Source M2-M64 Lock Washers from a Leading Manufacturer

Seeking bulk lock washers with mill test reports and competitive factory pricing? We support global wholesale and customized packaging. Contact us today for a free quote and technical samples!

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Material

Spring Steel (65Mn), SS304, SS316, Alloy Steel

Standard

DIN 127, DIN 6798 (A/J), DIN 128, NFE 25-511

Surface Finish

Plain, Zinc Plated, Black Oxide, Dacromet

Thread Size

M2, M3, M4, M5, M6, M8, M10 to M64

Locking Type

Split Spring, External/Internal Serrated, Wedge

Hardness

HRC 40-50 (Carbon Steel) / 200-300HV (SS)