M10 Spring Lock Washer (GB/T 93) are manufactured to GB/T 93 / DIN 127B with a coarse thread pitch of 1.5 mm. This page lists the controlling dimensions for the M10 size — head geometry, width across flats, matching spanner size — together with the clearance hole, tapping drill and tightening torque used at assembly.
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) — GB/T 93 / DIN 127B (Series 081)
Drive geometry for M10 Spring Lock Washer (GB/T 93) — GB/T 93 / DIN 127B (Series 081) is given by the row above; match the tool to the listed values.
Common Applications for M10 Spring Lock Washer (GB/T 93) — GB/T 93 / DIN 127B (Series 081)
M10 Spring Lock Washer (GB/T 93) — GB/T 93 / DIN 127B (Series 081) 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.