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Shakeproof Washers are often used with screws and nuts within electrical connectivity, with the teeth shaped into a twisted form.
The teeth bite into the bolt head or nut, and the other edge bites into the mating surface. The teeth on the internal diameter provide a neater finish.
Often found in assemblies to help prevent loosening, but they can also be found in electrical connections such as battery terminals.
Available in both metric sizes and more, they can be in diameters of M3 onwards.
Internal Shakeproof Washers available in a range of sizes and materials from Fastenright.
Non-standard sizes, materials and finishes are available to order as specials, including small volume manufacture, modifications and bespoke parts made to drawings. Minimum order quantities apply.
| Technical Data and Availability | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diameter | d (mm) | d2 (mm) | s1 (mm) | |||||||||
| M2 | 2.2 | 4.5 | 0.3 | |||||||||
| M2.5 | 2.7 | 5.5 | 0.4 | |||||||||
| M3 | 3.2 | 6.0 | 0.4 | |||||||||
| M3.5 | 3.7 | 7.0 | 0.5 | |||||||||
| M4 | 4.3 | 8.0 | 0.5 | |||||||||
| M5 | 5.3 | 10.0 | 0.6 | |||||||||
| M6 | 6.4 | 11.0 | 0.7 | |||||||||
| M7 | 7.4 | 12.5 | 0.8 | |||||||||
| M8 | 8.4 | 15.0 | 0.8 | |||||||||
| M10 | 10.5 | 18.0 | 0.9 | |||||||||
| M12 | 13.0 | 20.5 | 1.0 | |||||||||
| M14 | 15.0 | 24.0 | 1.0 | |||||||||
| M16 | 17.0 | 26.0 | 1.2 | |||||||||
| M18 | 19.0 | 30.0 | 1.4 | |||||||||
| M20 | 21.0 | 33.0 | 1.4 | |||||||||
| M22 | 23.0 | 36.0 | 1.5 | |||||||||
| M24 | 25.0 | 38.0 | 1.5 | |||||||||
| M27 | 28.0 | 44.0 | 1.6 | |||||||||
| M30 | 31.0 | 48.0 | 1.6 | |||||||||
| Also available BA 10BA – 0BA and Fractional 1/8″ to 11/4″ | ||||||||||||
