The M10 size of Tab Lock Washer for Round Nut is dimensioned by GB/T 858. The tables below give the dimensional row from the standard, the drill and spanner sizes that go with it, and the assembly torque per property class. The technical drawing on this page redraws to the exact values selected.
M10 Dimensional Row (GB/T 858)
| For shaft / nut size | Inner diameter d1 (mm) | Outer diameter d2 (mm) | Thickness t (mm) | Tab length (mm) | Reference standard |
|---|---|---|---|---|---|
| M10 | 10.5 | 21 | 1.0 | 8 | GB/T 858 |
Spanner & Drive for M10 Tab Lock Washer for Round Nut — GB/T 858 (Series 089)
Drive geometry for M10 Tab Lock Washer for Round Nut — GB/T 858 (Series 089) is given by the row above; match the tool to the listed values.
Common Applications for M10 Tab Lock Washer for Round Nut — GB/T 858 (Series 089)
M10 Tab Lock Washer for Round Nut — GB/T 858 (Series 089) 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.

