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Nord-Lock steel wedge-locking washers, enlarged outer diameter, Delta Protekt
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- - Nord-Lock wedge-locking washers secure bolted joints
- - NL5sp is made for M5 bolts which equals size #10 in inch
- - Wedge-locking washers suitable for many different tasks and challenges
This washer has the same inner diameter as the standard washer in same size, but it has an enlarged outer diameter. The washer is designed to work well in applications with enlarged and slotted holes or where the contact surface is soft, such as aluminum and copper.
The washer is through hardened to make sure it is harder than the bolt and the contact surface. It is treated with Delta Protekt®, a surface coating that provides a very high corrosion protection. To optimize the load bearing area a flanged nut or bolt should be used together with this washer
- Steel Type:
EN 1.7182 Surface coating:
Zink flake coating, Delta Protekt®
Washer hardness: ≥ 465 HV1** Corrosion resistance: Minimum 1000 hours in salt spray test (according to IS09227) Temperature range:-50°C to 200°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.
See 'Dimensions' below for each size
Bolt Size | d | D | t |
M5 | 5.4mm | 10.8mm | 1.8mm |
M6 | 6.5mm | 13.5mm | 1.8mm |
M8 | 8.7mm | 16.6mm | 2.5mm |
M10 | 10.7mm | 21mm | 2.5mm |
M11 | 11.4mm | 22mm | 2.5mm |
M12 | 13mm | 25.4mm | 2.5mm |
M14 | 15.2mm | 30.7mm | 3.4mm |
M16 | 17mm | 30.7mm | 3.4mm |
M18 | 19.5mm | 34.5mm | 3.4mm |
M20 | 21.4mm | 39mm | 3.4mm |
M22 | 23.4mm | 42mm | 3.4mm |
M24 | 25.3mm | 48.5mm | 3.4mm |
M27 | 28.4mm | 48.5mm | 5.8mm |
M30 | 31.4mm | 47mm | 5.8mm |
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