DIN 261 M8 x 30 T-Head Bolt
In stock in 5 material, grade and finish combinations.
Dimensions at M8 x 30
mm · DIN 261 · dimensions from 2010-12 · current edition 2024-12| Dimension | Nominal | Min | Max | |
|---|---|---|---|---|
| d | Thread size | M8 | – | – |
| P | Thread pitch | 1.25 | – | – |
| l | Length | 30 | – | – |
| b | Thread length | 22 | – | – |
| ds | Body diameter | – | 7.42 | 8.58 |
| k | Head height | – | 5.1 | 5.9 |
| n | Head thickness | – | 7.25 | 8.75 |
| m | Head width | – | 17.1 | 18.9 |
| r | Radius (approx.) | – | 0.4 | – |
| da | Underhead diameter | – | – | 10.2 |
- Length under head
- 30 mm · 28.95–31.05 mm to DIN 261 product grade C
- Approx. weight
- ≈ 17.22 kg per 1 000 pieces · Bare steel, before coating and packing.58.1 pieces per kg
Holes for this thread
ISO 273 · ISO 2306Clearance hole · fine8.4 mm
Clearance hole · medium9 mm
Clearance hole · coarse10 mm
Tap drill6.8 mm