DIN 933 M4 x 30 Fully Threaded Hex Bolt
In stock in 12 material, grade and finish combinations.
Dimensions at M4 x 30
mm · DIN 933 · 1987-09 · withdrawn| Dimension | Nominal | Min | Max | ISO 4017 | |
|---|---|---|---|---|---|
| d | Thread size | M4 | – | – | M4 |
| P | Thread pitch | 0.7 | – | – | 0.7 |
| l | Length | 30 | – | – | 30 |
| a | Thread runout | – | – | 2.1 | 2.1 |
| c | Washer height | – | 0.15 | 0.4 | 0.15–0.4 |
| da | Underhead diameter | – | – | 4.7 | 4.7 |
| dw | Bearing diameter | – | 5.9 | – | 6.2 |
| e | Width across corners | – | 7.66 | – | 7.66 |
| k | Head height | 2.8 | 2.68 | 2.92 | 2.675–2.925 |
| k' | Wrenching height | – | 1.9 | – | — |
| r | Radius | – | 0.2 | – | 0.2 |
| s | Width across flats | – | 6.78 | 7 | 6.78–7 |
- ISO 4017
- Values in bold differ from DIN 933.
- Length under head
- 30 mm · 29.58–30.42 mm to DIN 933 product grade A
- Approx. weight
- ≈ 3.19 kg per 1 000 pieces · Bare steel, before coating and packing.313 pieces per kg
Holes for this thread
ISO 273 · ISO 2306Clearance hole · fine4.3 mm
Clearance hole · medium4.5 mm
Clearance hole · coarse4.8 mm
Tap drill3.3 mm




