Selecting Square Channel-Steel Washer — GB/T 852 (Series 083), M6, in GB/T 852: the dimensional row from the standard plus the tools and hole sizes follow. Use them with the technical drawing below — the drawing redraws to the exact size you pick.
M6 Dimensional Row (GB/T 852)
| 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 Square Channel-Steel Washer — GB/T 852 (Series 083)
Drive geometry for M6 Square Channel-Steel Washer — GB/T 852 (Series 083) is given by the row above; match the tool to the listed values.
Common Applications for M6 Square Channel-Steel Washer — GB/T 852 (Series 083)
M6 Square Channel-Steel Washer — GB/T 852 (Series 083) 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.