A hex socket dog point set screw — gb/t 79 / iso 4029 (series 018 in M10: this guide pulls the row from the standard, adds the assembly numbers an engineer actually uses, and links you straight to a quote.
M10 Dimensional Row (GB/T 79 / ISO 4029)
| Size | Pitch (mm) | Length L (mm) | Hex socket s (mm) | Engagement depth t min (mm) | Point diameter dp (mm) | Reference standard |
|---|---|---|---|---|---|---|
| M10 | 1.5 | 15 | 5.0 | 5.0 | 7.0 | ISO 4026-4029 / GB/T 77-79 |
Spanner & Drive for M10 Hex Socket Dog Point Set Screw — GB/T 79 / ISO 4029 (Series 018)
The hex socket for M10 Hex Socket Dog Point Set Screw — GB/T 79 / ISO 4029 (Series 018) is shown in the spec table — use the matching Allen / hex key (an ISO 2936 hex key set covers the full range). A T-handle Allen key gives the best feel for setting preload by feel; for production work use a torque-controlled driver.
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 Hex Socket Dog Point Set Screw — GB/T 79 / ISO 4029 (Series 018)
M10 Hex Socket Dog Point Set Screw — GB/T 79 / ISO 4029 (Series 018) are commonly specified for machine assembly, general engineering, plant maintenance and OEM equipment.
Installation Tips for M10 Hex Socket Dog Point Set Screw — GB/T 79 / ISO 4029 (Series 018)
- Use a quality Allen key fully seated in the socket — partial engagement is the most common cause of stripped sockets at this size.
- For countersunk and button-head variants, chamfer the through-hole to seat the head flush without preloading the head/shank fillet.
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.