MB4 Lock Washer For Metric Shafts 20Mm Inner Diameter 36Mm Outer Diameter 1Mm Thick Steel DIN 5406 Compliant Interior Tab Locks Into Shaft Keyway Prevents Nut From Turning Built Tough For Industrial Mechanical Assemblies

Premium MB4 Lock Washer for 20mm Shaft, DIN 5406
✔️ 20 mm ID, 36 mm OD, 1 mm thick steel; DIN 5406 compliant

This lock washer is designed to secure lock nuts on metric shafts, preventing rotation and loosening in high-vibration industrial machinery. It’s commonly used with bearings, adapters, collars, and other shaft hardware in manufacturing, automotive, and robotics environments.

✅ 20 mm ID
✅ 36 mm OD
✅ 1 mm thickness
✅ Steel construction for strength
✅ Interior tab locks into shaft keyway
✅ Exterior tabs lock the nut in place (nut sold separately)
✅ DIN 5406 compliant main dimensions
✅ Pack size: 1 (single washer)

💡 What is a DIN 5406 lock washer used for in metric shaft assemblies? A handy, practical explanation for common questions. - Locks into shaft keyway to prevent nut turning - Keeps lock nut from loosening under vibration - DIN 5406 standard main dimensions ensure interchangeability - Steel construction for durability