6000 Pack 3/8 Inch Tooth Lock Washers Zinc Plated Steel Internal External Teeth Heavy Duty Anti Vibration Grip Holds Bolts Rock Solid On Plastic Or Metal Keeps Things Tight Daily
✔️ 3/8 In Inner Bore Spring Steel Alloy Clear Zinc Plated Surface
This set delivers six thousand heavy duty internal external tooth lock washers engineered to stop bolts from backing off during daily operation. You will find these anti vibration fasteners locking down equipment frames, plastic mounting brackets, and metal chassis where steady clamping pressure matters most.
✅ Inside diameter ranges from 0.384 to 0.398 inches for snug fitment✅ Outside diameter measures near 0.97 inches for broad contact area
✅ Material thickness sits between 0.037 and 0.045 inches for stiffness
✅ Hardness rating lands at Rockwell C40 to C50 for reliable spring tension
✅ Compliant with ASME B18.21.1 standards for industrial grade consistency
💡 What makes toothed lock washers so handy for holding down heavy equipment under tough road vibration?
The spiked outer ring digs straight into steel plates to block unwanted rotation.
- A hardy spring steel core takes relentless impact without flattening out over time
- Clear zinc plating fights corrosion while offering a direct metal path for electrical grounding
- Grab a bulk case of 3 eighth inch sizes to keep your shop projects rock solid and ready for work