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Internal Tooth Lock Washer
This product is a toothed anti-loosening washer made of spring steel through stamping. It has excellent elasticity and toughness, and the internal teeth embed into the workpiece to form a stop, ensuring reliable anti-loosening. It is easy to install and compatible with various bolts and nuts. The full range covers mainstream systems, and we keep stock readily available. It is rust-proof and corrosion-resistant, passes quality control, complies with environmental regulations, and can provide compliance documents. We also support non-standard customization and provide reliable anti-loosening solutions.
- Executive Standard
- Specification Range
- Grade & Strength
- Common Materials
- Surface Treatment
- Surface Treatment
- Industry Classification
National Standards GB/T 861.1 (Internal Gear), GB/T 861.2 (Internal Sawtooth); International Standard ISO 7092; American Standard ANSI/ASME B18.21.2; German Standard DIN 6797;
Metric specifications: Compatible with thread sizes M1.6~M30, divided into three main categories: internal tooth type, internal sawtooth type, and tapered internal tooth type; Imperial specifications: Compatible with thread sizes #2-56~1-1/4"-12, compatible with UNC/UNF American standard thread systems.
High-quality low-carbon steel, medium-carbon steel, alloy steel, 304 stainless steel, 316 stainless steel, brass, aluminum alloy, etc.
Environmentally friendly blue-white zinc, colored zinc, black zinc, environmentally friendly nickel plating, zinc-nickel alloy plating, Dacromet coating, electrophoresis, PVD, stainless steel natural color, stainless steel passivation, etc.
For precision instruments, automotive parts, etc., it is compatible with bolt and nut anti-loosening devices, with internal teeth embedded in the workpiece, suitable for scenarios with frequent vibration and high anti-loosening requirements.
Do you need non-standard fasteners, precision metal parts, or custom structural components for a specific application?
Yongji helps you develop and manufacture special parts and custom products based on your drawings, samples, technical requirements, and target application scenarios.
Whether you need prototype quantities, pilot production, or stable mass supply, we provide an integrated solution from engineering review to production and delivery.
From fasteners to structural parts, Yongji offers integrated development and manufacturing for a wide range of custom precision hardware products.
Whether you need a few pieces for validation, small batches for development, or large volumes for mass production, we can support your project at different stages.
With integrated manufacturing resources in China and Vietnam, Yongji helps customers achieve stable quality, scalable production, and reliable delivery.
Yongji Precision Hardware is a global manufacturer specializing in precision fasteners and metal structural components. We are China Internal Tooth Lock Washer Suppliers and Wholesale Internal Tooth Lock WasherExporter && Company. Founded in 2003, the company has over two decades of experience serving international OEM and ODM customers across multiple industries.
With integrated manufacturing capabilities including cold heading, stamping, CNC machining and sheet metal fabrication...
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