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Nord-Lock Washer - Alloy 718 EN 2.4668
Alloy 718 is for HIGH TEMPERATURES - has turbines, turbo charges, incinerators
Nord-Lock wedge lock washers are a high-quality brand name washer that secure bolted joints with tension instead of friction. A single "washer" is comprised of a pair of lock washers that have cams on one side and radial teeth on the opposite side.
The rise of the cams between the Nord-Lock washers is greater than the pitch of the bolt. When the bolt and/or nut is tightened, the teeth grip and seat against the mating surfaces. The Nord-Lock wedge lock washer is locked in place, allowing movement only across the face of the cams. Any attempt from the bolt/nut to rotate loose is blocked by the wedge effect of the cams.
Material: Surface Hardened Alloy 718 EN 2.4668
Washers made from Alloy C-718 have exceptional high yield, tensile and creep-rupture properties at elevated temperatures, as well as corrosion resistance.
These washers are the best choice for high temperature applications including:
-Jet Engines
-Gas Turbines
-Nuclear Reactors
-Pumps
Hardness: ≥ 620HV0.05
Corrosion resistance: PREN 29
Temperature Range: -160°C to 700°C
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