On the bench specifying M10 Stud Bolt, Double-End — GB/T 901 / DIN 939 (Series 091)? This page gives the controlling dimensions for the M10 size of Stud Bolt, Double-End — GB/T 901 / DIN 939 (Series 091) (to GB/T 901 / DIN 939).
M10 Dimensional Row (GB/T 901 / DIN 939)
| Thread size | Pitch (mm) | Length L (mm) | Engagement depth bm (mm) | Material | Reference standard |
|---|---|---|---|---|---|
| M10 | 1.5 | 80 | 15 | Cl. 8.8 alloy steel | DIN 939 / GB/T 901 |
Spanner & Drive for M10 Stud Bolt, Double-End — GB/T 901 / DIN 939 (Series 091)
Drive geometry for M10 Stud Bolt, Double-End — GB/T 901 / DIN 939 (Series 091) is given by the row above; match the tool to the listed values.
Hole Sizes for M10
| Coarse-thread pitch (ISO 724) | 1.5 mm |
|---|---|
| Through-hole / clearance (ISO 273 medium) | 11 mm |
| Tapping drill, coarse thread | 8.5 mm |
Tightening Torque for M10
| Class 8.8 (dry, ~µ 0.125) | ≈ 49 Nm |
|---|---|
| Class 10.9 (dry, ~µ 0.125) | ≈ 69 Nm |
| Class 12.9 (dry, ~µ 0.125) | ≈ 83 Nm |
Indicative dry-joint values. Lubrication can lower the required torque by 15–25%. Always confirm against the joint design, especially when going up a strength class.
Common Applications for M10 Stud Bolt, Double-End — GB/T 901 / DIN 939 (Series 091)
M10 Stud Bolt, Double-End — GB/T 901 / DIN 939 (Series 091) are commonly specified for general-purpose machinery, jigs, fixturing and light structural connections.
Mating Parts for M10
For M10, pair with a M10 hex nut (ISO 4032 / DIN 934) and, where used, a M10 flat washer (ISO 7089 / DIN 125A) under the head and under the 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.