DIN 931 M20 x 170 Partial Thread Hex Bolt
In stock in 9 material, grade and finish combinations.
Dimensions at M20 x 170
mm · DIN 931 · 1987 · withdrawn| Dimension | Nominal | Min | Max | ISO 4014 | |
|---|---|---|---|---|---|
| d | Thread size | M20 | – | – | M20 |
| P | Thread pitch | 2.5 | – | – | 2.5 |
| l | Length | 170 | – | – | 170 |
| s | Width across flats | – | – | 30 | 30 |
| e | Width across corners | – | 33.53 | – | 33.53 |
| k | Head height | 12.5 | – | – | 12.5 |
| b | Thread length | 52 | – | – | 52 |
- ISO 4014
- Values in bold differ from DIN 931.
- Length under head
- 170 mm · 168–172 mm to DIN 931 product grade B
- Approx. weight
- ≈ 473.28 kg per 1 000 pieces · Bare steel, before coating and packing.2.1 pieces per kg
Holes for this thread
ISO 273 · ISO 2306Clearance hole · fine21 mm
Clearance hole · medium22 mm
Clearance hole · coarse24 mm
Tap drill17.5 mm
