1/4" Medium Split Lock Washers Stainless Steel 18-8 Material 18-8 Stainless Steel For Screw Size 1/4" ID 0.260" OD 0.487" Enhance the security and longevity of your fastening applications with our premium Stainless Steel 18-8, 1/4" Medium Split Lock Washers. Designed to prevent bolts from turning or slipping under vibration and torque, they ensure a tight, reliable hold for all your projects. The split design adds tension, making these washers ideal for applications where extra assurance against fastener slippage is required. Suitable for automotive repairs, industrial equipment maintenance, or home DIY projects, our lock washers offer strength and corrosion resistance for lasting performance. Choose our quality washers for a secure fit that resists loosening over time.