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The Micro External Lock Washer is a serrated locking washer made to DIN 6798A standard. They can also be referred to as toothed lock washers.
These washers have teeth or serrations on the outer face of the washer that bites into the surface it is used on, which provides a better holding power than the similar internal locking washer.
They are most effective when used on softer materials such as Aluminium or Plastic.
The Micro External Lock Washer is manufactured in A2 Stainless Steel and Spring Steel as standard.
Available from Fastenright in micro diameters from M2 to M3 as standard.
Non-standard sizes, materials and finishes are available to order as specials, including small volume manufacture, modifications and custom parts made to drawings.
| Metric Technical Information & Available Sizes | |||
| Diameter | d2 (mm) | s (mm) | Material |
| M2 External Lock Washer | 4.5 | 0.3 | Spring Steel / A2 & A4 Stainless | |||||||||
| M2.5 External Lock Washer | 5.5 | 0.4 | Spring Steel / A2 & A4 Stainless | |||||||||
| M3 External Lock Washer | 6.0 | 0.3 | Spring Steel / A2 & A4 Stainless | |||||||||
| Size not listed? Please make an enquiry – we may be able to provide it. | ||||||||||||
