Brass Gear-Shaped Lock Washer - M3/M4/M5/M6/M8

This lock washer is expertly crafted from high-quality brass, ensuring excellent corrosion resistance and durability. Designed with a unique gear shape, it provides a secure grip to prevent fasteners from loosening due to vibration or torque. Available in multiple metric sizes including M3, M4, M5, M6, and M8, it accommodates a range of bolt diameters, making it versatile for various applications. Ideal for use in automotive, industrial, or DIY projects, this washer enhances fastening reliability and longevity. Standard No.: DIN 6797A Surface treatment: none Material Grade: 4.8 Product Grade: A-level Manufacture country: China Instructions included: No