Aluminum Lock Washers
Medium Profile Split Ring Lock Washers
- Used to prevent fasteners from loosening unintentionally
- Split and bent to create a spring-like effect
- Add extra pressure to fastener assembly resulting in higher resistance to rotation
Aluminum split ring washers are corrosion resistant, lightweight, and non-magnetic. Our aluminum washers are made of 2024-T4 Aluminum Alloy which is a high strength aluminum alloy with good fatigue resistence and strength-to-weight ratio. Note that, while aluminum 2024-T4 is resistant to atmospheric corrosion, it is not as corrosive resistant as stainless steel and is ill suited for marine enviroments.
Important: We recommend not mixing metals; aluminum fasteners should be used with aluminum fasteners. For more information, please read our article on the subject HERE.
Aluminum 2024-T4 Lock Washer Specifications
| Washer Sizes | ID | OD | Thickness |
| #6 | 0.141" | 0.250" | 0.031" |
| #8 | 0.168" | 0.293" | 0.040" |
| #10 | 0.194" | 0.334" | 0.047" |
| 1/4" | 0.255" | 0.487" | 0.062" |
| 5/16" | 0.314" | 0.583" | 0.078" |
| 3/8" | 0.382" | 0.683" | 0.094" |
| 1/2" | 0.509" | 0.873" | 0.125" |
| 5/8" | 0.636" | 1.079" | 0.156" |
| 3/4" | 0.763" | 1.271" | 0.188" |
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