ISO 7379 M20 x 80 Socket Head Shoulder Screw
In stock in 2 material, grade and finish combinations.
Dimensions at M20 x 80
mm · ISO 7379 · 1983 edition| Dimension | Nominal | Min | Max | |
|---|---|---|---|---|
| d | Thread size | M20 | – | – |
| P | Thread pitch | 2.5 | – | – |
| l | Length | 80 | – | – |
| ds | Shoulder diameter | 25 | 24.928 | 24.98 |
| b | Effective thread length | – | 26.6 | 27.4 |
| dk | Head diameter | – | 35.61 | 36 |
| k | Head height | – | 15.73 | 16 |
| s | Hex socket size | 12 | – | – |
| t | Socket depth | – | 10 | – |
- Shoulder length
- 80 mm · 80–80.25 mm to ISO 7379 product grade A
- Approx. weight
- ≈ 483.37 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
