M5 External Tooth Washers Set For DIY Projects, 304 Stainless Steel Locking Ring Washers With Serrated Teeth, 20 Pack, Heavy Duty Pro Grade Fasteners For Machinery And Home Workshop, Silver

Heavy-Duty M5 External Tooth Washers Set for DIY Projects
✔️ 20 pcs, 304 SS, M5, OD 10mm (0.39"), ID 5.3mm (0.21"), 1.7mm thick

These locking washers use serrated external teeth to grip the base and bolt, delivering a tight lock in fastener assemblies. They’re handy for machinery, automotive, and home workshop projects where vibration can loosen connections.

✅ Size: M5, OD 10mm, ID 5.3mm, total thickness 1.7mm, material thickness 0.6mm
✅ Material: 304 stainless steel for corrosion resistance
✅ Pack: 20 pieces per pack
✅ Use: for threaded and bolted connections in machinery and DIY tasks

💡 What is an external tooth washer used for in locking fastener systems?

- They bite into the base and bolt to add friction and keep things tight - They provide spring force to resist loosening from vibration - They’re durable in indoor/outdoor environments thanks to 304 stainless steel