Nord-Lock Washer
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Nord-Lock Washer

Nord-Lock wedge-locking washers utilize tension instead of friction in order to secure bolted joints exposed to severe vibration and dynamic loads. The system cannot loosen unintentionally as it creates a wedge-effect underneath the bolt head or nut. The system comprises of a pair of wedge-lock washers with cams on one side and radial teeth on the opposite side. As the fastener attempts to loosen, the unique design of the Nord-Lock's interior wedge design causes increased tension on the fastener, stopping the unwanted rotation. Over the operational life cycle, Nord-Lock washers offer increased operational reliability and lower maintenance costs, while significantly reducing the risks of production stops, accidents and warranty claims. Nord-Lock washers offer high corrosion resistance due to their 1000 hour salt spray coating. 

Nord-Lock Washer
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Diameter Inside Diameter Outside Diameter Thickness Item # Availability Price Quantity UOM
1/4 0.2800 0.4500 0.1000 WNRD025 In Stock $1.38835/EA EA
5/16, M8 0.3400 0.5300 0.1000 WNRD031 In Stock $1.39996/EA EA
3/8 0.4100 0.6500 0.1000 WNRD037 In Stock $1.55334/EA EA
M10 0.4200 0.6500 0.1000 WNRDM10 In Stock $1.55334/EA EA
7/16, M11 0.4500 0.7300 0.1000 WNRD043 In Stock $2.53917/EA EA
M12 0.5100 0.7700 0.1000 WNRDM12 Out Of Stock $2.53344/EA EA
1/2 0.5300 0.7700 0.1000 WNRD050 In Stock $2.73432/EA EA
9/16, M14 0.6000 0.9100 0.1300 WNRD056 Out Of Stock $6.82219/EA EA
5/8, M16 0.6700 1.0000 0.1300 WNRD062 In Stock $4.17341/EA EA
M18 0.7700 1.1400 0.1300 WNRDM18 Out Of Stock $5.22387/EA EA
3/4 0.7900 1.2100 0.1300 WNRD075 In Stock $5.58947/EA EA
M20 0.8400 1.2100 0.1300 WNRDM20 Out Of Stock $5.34882/EA EA
7/8, M22 0.9200 1.3600 0.1300 WNRD087 In Stock $8.54229/EA EA
M24 1.0000 1.5400 0.1300 WNRDM24 Out Of Stock $9.21866/EA EA
1 1.1000 1.5400 0.1300 WNRD100 In Stock $9.29972/EA EA
1 1/8, M30 1.2400 1.8500 0.2300 WNRD112 Out Of Stock $16.06047/EA EA
1 1/4, M33 1.3500 1.9100 0.2300 WNRD125 In Stock $18.08618/EA EA
1 3/8, M36 1.4700 2.1700 0.2300 WNRD137 Out Of Stock $22.74409/EA EA
1 1/2, M39 1.5900 2.3000 0.2300 WNRD150 Out Of Stock $23.52335/EA EA