M12 Split Lock Washer 25 Pack 304 Stainless Steel 18 8 Spring Lock Washers For Bolts Nuts And Screws Hardware Fittings Silver Anti Loosening Boss Grade Built To Last

M12 Stainless Steel 25 Pack Split Lock Washers 304 SS
✔️ Inner dia 12mm, outer 19mm, thickness 3mm; 25 pcs pack

These M12 split lock washers are made from premium 304 stainless steel (18-8) and are designed to prevent loosening in fastener assemblies. They’re widely used with bolts, nuts, and screws in indoor and outdoor hardware fittings, ideal for decks, sheet metal, or equipment housings.

✅ Inner dia 12 mm (0.47"), outer dia 19 mm (0.75"), thickness 3 mm (0.12")
✅ Material: 304 stainless steel (18-8)
✅ Pack size: 25 pieces
✅ Function: bearing surface for load distribution and anti-loosening
✅ Applications: indoor/outdoor sheet metal, decking, and fittings
✅ Compatibility: fits M12 bolts and nuts of the same size

💡 What is a lock washer used for in hardware assemblies?

Lock washers are handy for keeping fasteners tight by adding spring tension and distributing load to resist loosening.

• Handy for preventing looseness in machinery and equipment
• Useful in outdoor decks, metal fittings, and belt driven setups
• Helps reduce wear from vibration and protects fastener joints
• Simple upgrade to improve reliability of bolt connections