M4 Split Lock Washer Set 120 Pcs Premium Heavy Duty 304 Stainless Steel Spring Lock Washers For Bolts Nuts And Screws 6.5mm Outer Diameter 1.1mm Thick Durable Silver Finish Perfect For Mechanical Projects And Hardware Upgrades

Premium M4 Split Lock Washers 120pc Set for bolts & screws
✔️ 120 pcs M4 stainless steel lock washers; 6.5mm OD, 1.1mm thick

These M4 split lock washers are compact fasteners designed to secure fasteners in mechanical assemblies, reducing loosening from vibration. Made from durable 304 stainless steel, they’re ideal for indoor and outdoor hardware projects such as sheet metal fittings, decking, and equipment enclosures.

✅ Inner diameter: 4 mm (0.16")
✅ Outer diameter: 6.5 mm (0.26")
✅ Thickness: 1.1 mm (0.04")
✅ Material: 304 stainless steel (18-8)
✅ Pack: 120 pieces
✅ Finish: bright silver
✅ Fitment: suitable with M4 bolts, nuts, and screws

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

Lock washers are handy fasteners that minimize loosening from vibration and keep clamp load stable. - helps prevent fastener loosening in metal joints - distributes load to reduce local indentations - works with matching size bolts and nuts for reliable seating - suitable for indoor and outdoor mechanical projects