Enhance the security of your fastening applications with our External Tooth Lock Washer. Designed to DIN 6797A specifications, this stainless steel washer ensures reliable performance in demanding environments. With an outside diameter of 8mm and a thickness of 0.5mm, it offers a precise fit for M4 hole sizes. The toothed design provides a firm grip, preventing loosening due to vibrations or torque. RoHS compliant, it meets international standards for environmental responsibility. Upgrade your assembly process with this essential component for industrial and DIY projects.