This page covers M5 Fender Washers to DIN 9021: the full dimensional row, hole and tool sizes, proof-load data and typical applications. All values are taken from the governing standards (DIN 9021 together with ISO 273, ISO 724 and ISO 898-1 where applicable).
M5 Dimensional Row (DIN 9021)
| For bolt size | Inner diameter d1 min (mm) | Outer diameter d2 max (mm) | Thickness h (mm) | Reference standard | Notes |
|---|---|---|---|---|---|
| M5 | 5.3 | 15.0 | 1.2 | DIN 9021 / ISO 7093 | Oversized OD for bearing on soft materials |
Spanner & Drive for M5 Fender Washers
Drive geometry for M5 Fender Washers is given by the row above; match the tool to the listed values.
Common Applications for M5 Fender Washers
M5 Fender Washers are commonly specified for small electronics hardware and precision assemblies.
Installation Tips for M5 Fender Washers
- At M5 the joint is sensitive to over-torque — use a torque-limiting driver and check the head doesn't bury into a softer counterpart.
Mating Parts for M5
A M5 flat washer pairs with a M5 bolt/screw and matching M5 nut.

