DIN 127 Spring Lock Washer

DIN 127 Spring Lock Washer

DIN 127

Helical spring lock washer per DIN 127. Provides spring tension and bite edges to resist loosening under vibration and dynamic loads.

Technical Specifications

StandardDIN 127 / ISO 7090
Size RangeM4-M56
MaterialSpring Steel (65Mn)
HardnessHRC 44-51
SurfaceZinc-Nickel / Black Oxide / Plain

Key Features

  • Spring tension prevents loosening
  • Bite edges grip mating surface
  • High fatigue resistance

📦 Business Terms

MOQ: 500 pcs (negotiable for trial orders)
Lead Time: 15-25 days for standard orders
Sample: Free samples available, shipping on buyer's account
Payment: T/T 30% deposit, 70% before shipment
Shipping: FOB Ningbo
Custom: Custom sizes, grades, coatings, and packaging available

Applications

Electrical equipmentRotating machineryVibration-prone assemblies