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

