DIN 933 M20 x 85 Fully Threaded Hex Bolt
In stock in 10 material, grade and finish combinations.
Dimensions at M20 x 85
mm · DIN 933 · 1987-09 · withdrawn| Dimension | Nominal | Min | Max | ISO 4017 | |
|---|---|---|---|---|---|
| d | Thread size | M20 | – | – | M20 |
| P | Thread pitch | 2.5 | – | – | 2.5 |
| l | Length | 85 | – | – | 85 |
| a | Thread runout | – | – | 7.5 | 7.5 |
| c | Washer height | – | 0.2 | 0.8 | 0.2–0.8 |
| da | Underhead diameter | – | – | 22.4 | 22.4 |
| dw | Bearing diameter | – | 28.2 | – | 28.19 |
| e | Width across corners | – | 33.53 | – | 33.53 |
| k | Head height | 12.5 | 12.28 | 12.72 | 12.285–12.715 |
| k' | Wrenching height | – | 8.5 | – | — |
| r | Radius | – | 0.8 | – | 0.8 |
| s | Width across flats | – | 29.67 | 30 | 29.67–30 |
- ISO 4017
- Values in bold differ from DIN 933.
- Length under head
- 85 mm · 84.3–85.7 mm to DIN 933 product grade A
- Approx. weight
- ≈ 247.00 kg per 1 000 pieces · Bare steel, before coating and packing.4.0 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
