[15000 BULK] Split Lock Washers DIN 127B Steel Black Oxide M5

Secure, vibration-resistant fastenings with Split Lock Washers DIN 127B. Crafted from sturdy steel and finished in black oxide, these M5 split lock washers are designed to prevent loosening under dynamic loads and ensure a reliable hold in a compact footprint.

Key features

• Size: M5 (fits M5 bolts and nuts; suitable for assemblies requiring an M5 fastener)
• Material: Steel for durability and long life
• Finish: Black oxide for a discreet, corrosion-aware surface and reduced glare
• DIN standard: DIN 127B compliance for interchangeability and quality
• Locking action: Split design creates a spring force that resists loosening from vibrations and dynamic loads

Why it matters

In mechanical assemblies, even slight loosening can degrade performance or cause components to fail. The DIN 127B split lock washer clamps the fastener with a controlled pre-load, adding friction and preventing unwanted rotation. It is ideal for automotive, electrical, and machinery applications where reliability matters.

Applications

• Fastener assemblies in equipment, machinery, and fixtures
• Where vibration or cyclical loads are present
• Combines with corresponding M5 bolts/nuts to maintain tension

Care and compatibility

Store in a dry environment to maintain the black oxide finish. Use with compatible M5 hardware and consider lubrication to enhance locking action and reduce wear.