M10 General Flat Washer (GB/T 5782 / ISO 4014) are specified by thread size, length and head dimensions. The M10 row from the standard is reproduced below, followed by the drill sizes, spanner size and torque values used when installing this size.
M10 Dimensional Row (GB/T 5782 / ISO 4014)
| For bolt size | Inner diameter d1 (mm) | Outer diameter d2 (mm) | Thickness t (mm) | Reference standard |
|---|---|---|---|---|
| M10 | 10.5 | 20.0 | 2.0 | ISO 7089 / GB/T 97.1 |
Spanner & Drive for M10 General Flat Washer — GB/T 5782 / ISO 4014 (Series 008)
Drive geometry for M10 General Flat Washer — GB/T 5782 / ISO 4014 (Series 008) is given by the row above; match the tool to the listed values.
Common Applications for M10 General Flat Washer — GB/T 5782 / ISO 4014 (Series 008)
M10 General Flat Washer — GB/T 5782 / ISO 4014 (Series 008) are commonly specified for general-purpose load-spreading and locking under machine bolts.
Mating Parts for M10
A M10 flat washer pairs with a M10 bolt/screw and matching M10 nut.
When to Step Up or Down from M10
When the joint preload approaches the proof load of M10 class 8.8, step up to M12 class 8.8 (or move to M10 class 10.9). When the joint is over-specified, M8 often saves weight and cost without losing the safety margin.