M3 Ext Serrated Tooth Lock Washer - A4 316 SS
Available
This range of external serrated tooth lock washers is in Grade A4 (316) marine-grade stainless steel, sized from M3 to M12.
The external serrations bite into both the fastener head and the mating surface, resisting loosening under vibration and spreading the clamping load.
At a glance
| Material | A4 (316) stainless steel |
|---|---|
| Type | External tooth (serrated) |
| Size range | M3–M12 |
| Use | Under bolt head or nut |
| Pack sizes | 100 to 500 pieces depending on size |
- Machinery guards and panels — resisting vibration loosening on equipment covers
- Bracket and general assembly — spreading clamping load under a bolt head or nut
- Outdoor and washdown environments — stainless construction where a plated washer would rust
Full specifications, applications and features are in the tabs below.
Freight: most orders are priced live at checkout. For some items or locations we can’t calculate a live rate — if that happens, you’ll be able to request a freight quote at checkout and our team will get back to you with a delivery cost. Please email our team at sales@aimsindustrial.com.au or call (02) 9773 0122.
Resources
Couldn't load pickup availability
Secure Checkout. We do not store credit card details
-
M3
Model Number: ELWA4M3
-
M4
Model Number: ELWA4M4
-
M5
Model Number: ELWA4M5
-
M6
Model Number: ELWA4M6
-
M8
Model Number: ELWA4M8
-
M10
Model Number: ELWA4M10
-
M12
Model Number: ELWA4M12

