FAG MB9 Lock Washer Steel For Metric Shafts 45mm ID 69mm OD 1.25mm Thick DIN 5406 Compliant With Interior Tab Locking Into Shaft Keyway Heavy Duty Industrial Grade Prevents Lock Nut From Turning

Lock Washer for Metric Shafts, DIN 5406, Single Unit
✔️ DIN 5406 steel lock washer for 45mm ID, 69mm OD, 1.25mm thick

The MB9 lock washer is a steel metric locking washer designed to prevent lock nut rotation by locking into a shaft keyway. Its interior tab fits into the shaft, while exterior tabs engage the nut slots, making it ideal for securing bearings and adapters in industrial machinery and automation systems.

✅ DIN 5406 compliant with main dimensions for standardization
✅ Interior tab locks into shaft keyway to prevent rotation
✅ Exterior tabs bend into nut slots to hold lock nut in place
✅ Steel construction delivers strength and long-term durability
✅ Metric size: 45 mm ID, 69 mm OD, 1.25 mm thickness

💡 What is a lock washer used for on metric shafts? A handy explanation for understanding why this part matters in mechanical assemblies. - locking locknut on 45 mm bore shafts to prevent loosening - interior tab fits into shaft keyway for precise positioning - exterior tabs bend into nut slots to secure the nut - DIN 5406 compliance helps ensure consistent main dimensions across assemblies