Our DIN6797J Internal Tooth Lock Washer is a premium, high-performance fastener designed to provide exceptional anti-loosening security in demanding applications. Manufactured in strict compliance with the DIN6797J international standard (equivalent to the Chinese national standard GB/T 861.1-1987), this washer features a unique internal serrated design that bites into both the bearing surface and the bolt/nut head, creating powerful locking friction to prevent loosening under severe vibration and dynamic loads.

• Superior Locking Mechanism: The precision-engineered internal teeth provide a strong bite, ensuring reliable locking force to maintain clamp load and prevent accidental backing off of fasteners.
• High-Quality Material: Made from durable stainless steel (grades 304 or 316 available) offering excellent corrosion resistance and longevity, even in harsh or humid environments.
• Precision Manufacturing: Produced with tight tolerances, ensuring consistent quality, perfect fit, and flat bearing surfaces for optimal performance.
• Standard Compliance: Fully conforms to DIN6797J specifications, guaranteeing interchangeability and reliability in global engineering projects.
• Available Sizes: Wide range of metric sizes available to fit bolts from M3 to M30, catering to diverse project requirements.
• Versatile Surface: Offered in plain (self-color) or zinc-plated finishes to suit different environmental and aesthetic needs.

This robust lock washer is indispensable in industries where safety and reliability are paramount. Its typical applications include:

• Automotive & Transportation: Engine components, chassis assemblies, and critical brackets
• Heavy Machinery & Equipment: Construction, mining, and agricultural machinery subjected to continuous shock and vibration
• General Manufacturing: Production lines, presses, and any machinery with rotating parts
• Electronics & Precision Instruments: Securing sensitive components where minimal movement is crucial

Bolts are packed in neutral packaging boxes with standard quantities arranged in small cartons. Custom packaging configurations are available upon request. Small cartons are consolidated into larger master cartons for secure transportation. Palletized units are wrapped with waterproof film and reinforced with packaging straps, with custom shipping marks available.