For General Flat Washer — GB/T 97.2 / ISO 7090 (Series 088), the M6 thread sits in the small-to-medium range of the catalog and is one of the most-asked general flat washer — gb/t 97.2 / iso 7090 (series 088) in this family. The dimensional and assembly data follow.
M6 Dimensional Row (GB/T 97.2 / ISO 7090)
| For bolt size | Inner diameter d1 (mm) | Outer diameter d2 (mm) | Thickness t (mm) | Reference standard |
|---|---|---|---|---|
| M6 | 6.4 | 12.0 | 1.6 | ISO 7089 / GB/T 97.1 |
Spanner & Drive for M6 General Flat Washer — GB/T 97.2 / ISO 7090 (Series 088)
Drive geometry for M6 General Flat Washer — GB/T 97.2 / ISO 7090 (Series 088) is given by the row above; match the tool to the listed values.
Common Applications for M6 General Flat Washer — GB/T 97.2 / ISO 7090 (Series 088)
M6 General Flat Washer — GB/T 97.2 / ISO 7090 (Series 088) are commonly specified for general-purpose load-spreading and locking under machine bolts.
Mating Parts for M6
A M6 flat washer pairs with a M6 bolt/screw and matching M6 nut.
When to Step Up or Down from M6
When the joint preload approaches the proof load of M6 class 8.8, step up to M8 class 8.8 (or move to M6 class 10.9). When the joint is over-specified, M5 often saves weight and cost without losing the safety margin.