M6 Spring Lock Washer (GB/T 93 / DIN 127B) are specified by thread size, length and head dimensions. The M6 row from the standard is reproduced below, followed by the drill sizes, spanner size and torque values used when installing this size.
M6 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 |
|---|---|---|---|---|---|
| M6 | 6.1 | 11.8 | 2.0 | 1.6 | GB/T 93 / DIN 127B |
Spanner & Drive for M6 Spring Lock Washer — GB/T 93 / DIN 127B (Series 080)
Drive geometry for M6 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 M6 Spring Lock Washer — GB/T 93 / DIN 127B (Series 080)
M6 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 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.