M10 is one of the standard coarse-thread sizes for spring lock washer under GB/T 93 / DIN 127B. The sections below reproduce the dimensional row, list the matching tools and hole sizes, and summarize where this size is normally specified.
M10 Dimensional Row (GB/T 93 / DIN 127B)
| For bolt size | Inner diameter d1 (mm) | Outer diameter d2 (mm) | Width b (mm) | Thickness t (mm) | Reference standard |
|---|---|---|---|---|---|
| M10 | 10.2 | 18.1 | 3.0 | 2.5 | GB/T 93 / DIN 127B |
Spanner & Drive for M10 Spring Lock Washer — GB/T 93 / DIN 127B (Series 080)
Drive geometry for M10 Spring Lock Washer — GB/T 93 / DIN 127B (Series 080) is given by the row above; match the tool to the listed values.
Common Applications for M10 Spring Lock Washer — GB/T 93 / DIN 127B (Series 080)
M10 Spring Lock Washer — GB/T 93 / DIN 127B (Series 080) 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.