DIN 933 M8 x 18 Fully Threaded Hex Bolt
In stock in 22 material, grade and finish combinations.
Dimensions at M8 x 18
mm · DIN 933 · 1987-09 · withdrawn| Dimension | Nominal | Min | Max | ISO 4017 | |
|---|---|---|---|---|---|
| d | Thread size | M8 | – | – | M8 |
| P | Thread pitch | 1.25 | – | – | 1.25 |
| l | Length | 18 | – | – | 18 |
| a | Thread runout | – | – | 3.75 | 3.75 |
| c | Washer height | – | 0.15 | 0.6 | 0.15–0.6 |
| da | Underhead diameter | – | – | 9.2 | 9.2 |
| dw | Bearing diameter | – | 11.6 | – | 11.63 |
| e | Width across corners | – | 14.38 | – | 14.38 |
| k | Head height | 5.3 | 5.15 | 5.45 | 5.15–5.45 |
| k' | Wrenching height | – | 3.54 | – | — |
| r | Radius | – | 0.4 | – | 0.4 |
| s | Width across flats | – | 12.73 | 13 | 12.73–13 |
- ISO 4017
- Values in bold differ from DIN 933.
- Length under head
- 18 mm · 17.65–18.35 mm to DIN 933 product grade A
- Approx. weight
- ≈ 11.70 kg per 1 000 pieces · Bare steel, before coating and packing.85.5 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
