Starlock Washer Set 320 Piece Internal Tooth Locking Washers Kit With 7 Sizes M3 M4 M5 M6 M8 M10 M12, Push On Retainers Clips And Nut Fasteners, 65Mn Steel Black Oxide Finish For Shaft And Stud Assemblies

Internal Tooth Locking Washers Kit, 320pc, 7 sizes M3-M12
✔️ 320-piece set, 65Mn steel, black oxide finish, includes M3-M12

This kit compiles internal-tooth locking washers in a 320-piece set, organized across seven common metric sizes. It’s designed for reliable interference grip on shafts and studs, making it a practical choice for both professional machinery builds and DIY projects where secure fastenings matter.

✅ 320-piece box with 7 sizes: M3, M4, M5, M6, M8, M10, M12
✅ Material: 65Mn steel with black oxide finish for corrosion resistance
✅ No groove needed, press rings onto shaft ends for a tight, interference grip
✅ Includes push-on retainers clips and nut fasteners for quick assembly
✅ Applications: machinery, industrial equipment, shock absorption, and DIY use

💡 What is an internal tooth locking washer used for in shaft assemblies? It helps prevent loosening in vibration-heavy setups by biting into the shaft and nut, creating a secure interference fit.
- Handy for quick, reliable locking on unhardened shafts
- Works with push-on retainers and metal nuts for fast assembly
- Ideal for machinery, automation, and DIY projects requiring steady fastenings