8.8 Grade Carbon Steel Split Spring Lock Washers Assortment, Black Oxide Finish, Metric Sizes M2 M3 M4 M5 M6 M8 M10 to M30, Heavy Duty Locking Washers for Bolts Nuts Screws (1000,M6)

This 8.8 grade carbon steel split spring lock washer assortment features a black oxide finish for enhanced stability in fastening systems. Covering metric sizes M2 through M30, the set includes frequently used dimensions M4, M5, M6, and M8 to fit a wide range of bolts, nuts, and screws. The split spring structure creates constant pressure to prevent fastener loosening caused by vibration, making these washers suitable for automotive, machinery, furniture, construction, electrical, and plumbing applications. Each washer is precision manufactured for consistent sizing and secure fit. The comprehensive assortment supports professional repairs, DIY projects, and routine maintenance, offering practical solutions for both residential and commercial fastening needs.

• Comes in a organized assortment for easy access and storage, ideal for maintenance teams, DIY enthusiasts, and professional repair workshops.
• Made from 8.8 grade carbon steel with black oxide coating, these split spring lock washers resist loosening from vibration and mechanical movement in industrial and household fastening applications.
• Complete metric size range from M2 to M30 including M4, M5, M6, M8, providing versatile options for matching bolts, nuts, and screws in machinery, furniture, and automotive repair.
• Split spring design delivers consistent tension to secure fasteners, suitable for construction, electrical, plumbing, and general hardware assembly projects.
• Precision stamped to ensure uniform thickness and diameter, enabling stable fit and reliable performance in long-term installation scenarios.