Description
Nord-Lock Standard Washer – Delta Protekt
Nord-Lock wedge-locking washers are a two-piece locking washer system engineered to prevent bolt loosening caused by vibration and dynamic loads.
Each pair consists of two washers with cam faces on one side and radial teeth on the opposite side. When tightened, the radial teeth grip the mating surfaces while the cam faces create a wedge-locking effect.
If the bolt begins to loosen, the cam angle (greater than the thread pitch) forces an increase in clamp load, preventing rotation and maintaining joint integrity.
This range features Delta Protekt coating, providing enhanced corrosion resistance for industrial and structural applications.
🔧 How It Works
Radial teeth grip mating surfaces
Cam faces lock against each other
Cam angle exceeds bolt thread pitch
Prevents loosening under vibration
Maintains preload even under dynamic loads
📌 Applications
Structural steel assemblies
Mining & heavy equipment
Transport & rail
Marine & offshore
Industrial machinery
Maintenance & repair operations
⭐ Features & Benefits
Proven wedge-locking technology
Prevents self-loosening
Reusable
Maintains preload
Suitable for high vibration environments
Delta Protekt corrosion resistant coating
Genuine Nord-Lock performance
📊 Technical Information
Type: 2-piece wedge-locking washer
Standard: Nord-Lock NL series
Finish: Delta Protekt
Function: Vibration resistant locking
Installation: Installed as a pair (cam faces together)
[CLICK HERE FOR PRODUCT BROCHURE]
| Part | QFind | Description | Product | Finish | Size | Len |
|---|---|---|---|---|---|---|
| WNHTDDM03 | NL3 | DPT NORD-L STD WASH:M3(#5) | STANDARD WASHER | DELTA PROTEKT | M3(#5) | x7.0x1.8 |
| WNHTDDM035 | NL3.5 | DPT NORD-L STD WASH:M3.5(#6) | STANDARD WASHER | DELTA PROTEKT | M3.5(#6) | x7.6×1.8 |
| WNHTDDM04 | NL4 | DPT NORD-L STD WASH:M4(#8) | STANDARD WASHER | DELTA PROTEKT | M4(#8) | x7.6×1.8 |
| WNHTDDM05 | NL5 | DPT NORD-L STD WASH:M5(#10) | STANDARD WASHER | DELTA PROTEKT | M5(#10) | x9.0x1.8 |
| WNHTDDM06 | NL6 | DPT NORD-L STD WASH:M6 | STANDARD WASHER | DELTA PROTEKT | M6 | x10.8×1.8 |
| WNHTDDM08 | NL8 | DPT NORD-L STD WASH:M8(5/16) | STANDARD WASHER | DELTA PROTEKT | M8(5/16) | x13.5×2.5 |
| WNHTDDM10 | NL10 | DPT NORD-L STD WASH:M10 | STANDARD WASHER | DELTA PROTEKT | M10 | x16.6×2.5 |
| WNHTDDM12 | NL12 | DPT NORD-L STD WASH:M12 | STANDARD WASHER | DELTA PROTEKT | M12 | x19.5×2.5 |
| WNHTDDM16 | NL16 | DPT NORD-L STD WASH:M16(5/8) | STANDARD WASHER | DELTA PROTEKT | M16(5/8) | x25.4×3.4 |
| WNHTDDM20 | NL20 | DPT NORD-L STD WASH:M20 | STANDARD WASHER | DELTA PROTEKT | M20 | x30.7×3.4 |
| WNHTDDM24 | NL24 | DPT NORD-L STD WASH:M24 | STANDARD WASHER | DELTA PROTEKT | M24 | x39.0x3.4 |
| WNHTDDM30 | NL30 | DPT NORD-L STD WASH:M30(1-1/8) | STANDARD WASHER | DELTA PROTEKT | M30(1-1/8) | x47.0x5.8 |
| WNHTDDM36 | NL36 | DPT NORD-L STD WASH:M36(1-3/8) | STANDARD WASHER | DELTA PROTEKT | M36(1-3/8) | x55.0x6.6 |
| WNHTDDM42 | NL42 | DPT NORD-L STD WASH:M42 | STANDARD WASHER | DELTA PROTEKT | M42 | x63.0x6.6 |
| WNHTDDM48 | NL48 | DPT NORD-L STD WASH:M48(1-7/8) | STANDARD WASHER | DELTA PROTEKT | M48(1-7/8) | x75.0x7.0 |
| WNHTDDM56 | NL56 | DPT NORD-L STD WASH:M56(2-1/4) | STANDARD WASHER | DELTA PROTEKT | M56(2-1/4) | x85.0x7.0 |
| WNHTDDM64 | NL64 | DPT NORD-L STD WASH:M64(2-1/2) | STANDARD WASHER | DELTA PROTEKT | M64(2-1/2) | x95.0x7.0 |
| WNHTDDM72 | NL72 | DPT NORD-L STD WASH:M72 | STANDARD WASHER | DELTA PROTEKT | M72 | 105×9.5 |
