ISO 4027 M20 x 55 Cone Point Socket Set Screw
Made to order in 6 material, grade and finish combinations.
Dimensions at M20 x 55
mm · ISO 4027 · dimensions from 2003 · current edition 2026| Dimension | Nominal | Min | Max | DIN 914 | |
|---|---|---|---|---|---|
| d | Thread size | M20 | – | – | M20 |
| P | Thread pitch | 2.5 | – | – | 2.5 |
| l | Length | 55 | – | – | 55 |
| s | Hex socket size | 10 | 10.025 | 10.175 | 10 |
| dt | Point diameter | – | – | 5 | — |
| e | Socket across corners | – | 11.429 | – | — |
| t | Socket depth, short length | – | 8 | – | — |
| t | Socket depth, long length | – | 12 | – | — |
- DIN 914
- Values in bold differ from ISO 4027.
- Length
- 55 mm · 54.4–55.6 mm to ISO 4027 product grade A
- Approx. weight
- ≈ 103.00 kg per 1 000 pieces · Bare steel, before coating and packing.9.7 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
