Nord-Lock Washer

A high-security wedge-locking washer system that prevents bolt loosening under vibration and dynamic loads without the need for locking adhesives or special fasteners.

FEATURES

  • Wedge-locking mechanism maintains clamp load under vibration
  • Approved to NAS 3350 / IFI 125 vibration test standards
  • Reusable without loss of clamping performance
Field Details
Head Type

Washer Pair (Wedge-Locking)

Thread Type

Suitable for M5 – M64 bolts

Drive Type

N/A — used with standard bolts

Sizes

M5 – M64 | Available in standard and oversized (SP)

MATERIAL OPTIONS

  • Hardened Steel (Zinc Flake Coated)
  • Stainless Steel — Grade 316L
  • Tungsten coating (corrosive environments)

APPLICATIONS

  • Rail, wind turbine, and bridge structure joints
  • Heavy machinery and rotating equipment
  • Offshore and chemical plant bolted connections