Toothed Contact Washers
You need to be logged in to see prices.Toothed Contact Washers – also called Type K Toothed Contact Washers – are conical lock washers with a ribbed or serrated surface which makes contact with the nut or screw preventing it from loosening when subject to stress or vibration. Toothed Contact Washers have six teeth which penetrate the underlying surface to facilitate good electrical conductivity, and are used with electrical connections of painted or coated surfaces. The six teeth penetrate the underlying surface to facilitate good electrical conductivity.
The Contact Washer’s conical shape creates an elastic pre-load, which helps to maintain the tightness of the connection.
Pinstructure offers Toothed Contact Washers with a straight knurl to NF E 25-511 or the ‘ZZZ’ shaped knurl with sizes 3mm to 20mm, in the following materials:
- Carbon Spring Steel, Mechanical Zinc & Clear plated
- A2 Stainless Steel
- A4 Stainless Steel
Alternative finishes are also available, please enquire.
| Product Standard description | Contact Washers, Toothed |
|---|---|
| Pinco Part Number | F70A, F70D, Z70A, Z70V |
| British (BS) | |
| DIN | |
| ISO | |
| Others | NF E 25-511 |
| Standard Stock range | NF E 25-511 |
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