Five Sixteenth Inch Stainless Steel Split Lock Washer 18-8 Heavy Duty Anti Loosening Washer For Bolts And Screws Vibration Resistant Corrosion Resistant Works With Nuts And Bolts Of Similar Diameter 100 Count

5/16 in Stainless Split Lock Washer - 18-8, 100 Count
✔️ Size 5/16 in, 18-8 stainless, 100 pc pack, anti-loosening

This split lock washer is a simple, heavy-duty fastener accessory used to prevent nuts from loosening in bolt assemblies. It’s commonly used in machinery, outdoor decks, and any project where two pieces are drawn together and vibration or treated wood exposure could loosen connections.

✅ Material: 18-8 stainless steel for corrosion resistance
✅ Size: nominal 5/16 in (7.94 mm) inner diameter for bolts of similar diameter
✅ Pack: 100 pieces
✅ Application: indoor and outdoor use with treated lumber and stainless hardware

💡 What is a split lock washer and how does it secure bolt assemblies? Here's a handy explanation: - offset split ends bite into mating surfaces to create locking action - maintains clamping force under vibration and load changes - 18-8 stainless steel provides corrosion resistance - works with nuts and bolts of similar diameter