304 Stainless Steel Black Toothed Anti-Slip Lock Washer, External Tooth, M3/M4

This robust lock washer is crafted from 304 stainless steel, ensuring durability and resistance to corrosion. Designed with external teeth, it provides a secure grip and prevents loosening due to vibration or torque. The anti-slip feature enhances stability, making it ideal for various applications. Suitable for M3/M4 fasteners, this black-finished washer combines functional efficiency with a sleek appearance, making it an excellent choice for secure and reliable assemblies. Standard No.: DIN 6797A Surface treatment: Black zinc plating Material Grade: 6.8 Product Grade: A-level Manufacture country: China Instructions included: No