Single-Sided Serrated Lock Washer Anti-Slip Steel Washer for Nut and Bolt Fastening
Single-Sided Serrated Teeth Provide High Grip
Anti-Vibration and Anti-Slip Performance
Available in Stainless Steel, Carbon Steel, and Black Oxide
Suitable for Mechanical, Automotive, Construction, and Industrial Applications
Quick and Easy Installation
Corrosion Resistant for Indoor and Outdoor Use
OEM and Custom Sizes Supported
- Quality assured: strict inspection, stable export
- Non-standard custom: made to drawings, flexible
- Fast delivery: in stock, reliable lead time
- Professional service: 20+ years, full support
Product Overview
Lingfeng Precision Industry’s high-precision stamping dies and fasteners are made from premium tool steel (SKD11/DC53) and advanced heat treatment processes, offering high wear resistance, long service life, and micron-level accuracy. Widely used in automotive body structures, electronic connectors, aerospace fasteners, and EV battery components, ensuring consistency and reliability for every stamped part and fastener.

Applications
Lingfeng Precision provides full technical support and custom services – from die design, CAE analysis, tryout, to mass production – for various stamping and fastener project requirements.
Precision stamping dies for automotive structural parts (doors/seats/chassis)
Micro stampings & precision fasteners for electronics (M1.2~M6)
High-strength aerospace fasteners (titanium / Inconel)
Heavy-duty industrial stampings (8~25mm thickness)
Anti-vibration fasteners & connectors for EV battery systems
Progressive dies & stampings for automation equipment

Applications
Product specifications
Stable performance and reliable precision, fully meeting automated mass production needs.
Die material: SKD11 / DC53 / Carbide / Powder metallurgy high-speed steel
Stamping tolerance: ±0.005mm ~ ±0.01mm (depending on material thickness)
Fastener strength grade: Grade 8.8 / 10.9 / 12.9 / 14.9
Fastener size range: M2 ~ M30, length 5~200mm
Surface finish: Eco-friendly zinc plating, Dacromet, black oxide, phosphating, Zn-Ni alloy
Die life: 2 – 5 million strokes (depending on material & speed)










