DIN 6921 M20 x 45 Hex Flange Bolt
Made to order in 15 material, grade and finish combinations.
Dimensions at M20 x 45
mm · DIN 6921 · 1983-06 · withdrawn| Dimension | Nominal | Min | Max | |
|---|---|---|---|---|
| d | Thread size | M20 | – | – |
| P | Thread pitch | 2.5 | – | – |
| l | Length | 45 | – | – |
| s | Width across flats | – | – | 27 |
| e | Width across corners | – | 29.87 | – |
| dc | Flange diameter | 43 | – | – |
| k | Head height | 17.1 | – | – |
- Length under head
- 45 mm · 44.5–45.5 mm to DIN 6921 product grade A
- Approx. weight
- ≈ 176.64 kg per 1 000 pieces · Bare steel, before coating and packing.5.7 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
