- Bolt size: 3 mm
- Inner diameter (d): 3.4 mm
- Outer diameter (D): 7 mm
- Thickness (T): 2.2 mm
- Material: Stainless-steel 254 SMO®
- Article number: 1560
- Pairs per pack: 10
Nord-Lock stainless-steel wedge-locking washers, NL3ss-254
- - Wedge-locking washers in 254 SMO® material can be used for multiple stainless-steel applications
- - Nord-Lock wedge-locking washers secure bolted joints
Nord-Lock 254 SMO® stainless steel washers are suitable for any general saltwater application
Steel Type: EN 1.4547
Available sizes with normal outer diameter: M3 - M39 (metric) and #5 - 1 1/2” (inches)*
Available sizes with enlarged outer diameter: M3.5 - M27 (metric) and #6 - 1” (inches)*
Washer hardness: ≥ 600 HV0.05**
Corrosion resistance: PREN 45***
Temperature range: -160°C to 500°C
All washers are laser marked with brand name, control number and type code for increased traceability down to the raw material in the factory.
* View dimension list to determine the required washer size for your bolt.
** In order to assure the unique mechanical wedge-locking function of the Nord-Lock washers, the hardness of the contact surfaces must be lower than the hardness of the Nord-Lock washers. Go to washer selection guide for the hardness conversion table.
*** PREN (Pitting Resistance Equivalent Number) = %Cr + 3,3x%Mo + 16x%N.
- - Wedge-locking washers in 254 SMO® material can be used for multiple stainless-steel applications
- - NL3ss-254 is made for M3 bolts which equals #5
- - Nord-Lock wedge-locking washers secure bolted joints
This product is suitable for all your general stainless-steel applications and works very well in saltwater environments. The washer is through hardened to make sure it is harder than the bolt and contact surface. Nord-Lock washers works with all common bolt grades such as; A2-50, A2-70, A2-80, A4-50, A4-70, A4-80. The material 254 SMO® provides very high corrosion resistance.
Nord-Lock stainless-steel wedge-locking washers, NL3ss-254
- - Wedge-locking washers in 254 SMO® material can be used for multiple stainless-steel applications
- - Nord-Lock wedge-locking washers secure bolted joints