ISO 14579 M12 x 55 Socket Head Cap Screw
In stock in 10 material, grade and finish combinations.
Dimensions at M12 x 55
mm · ISO 14579 · 2011 edition| Dimension | Nominal | Min | Max | |
|---|---|---|---|---|
| d | Thread size | M12 | – | – |
| P | Thread pitch | 1.75 | – | – |
| l | Length | 55 | – | – |
| dk | Head diameter | 18 | 17.73 | – |
| k | Head height | 12 | 11.57 | – |
| b | Thread length | 36 | – | – |
| r | Radius | – | 0.6 | – |
| Recess number | 55 | – | – | |
| A | Hexalobular socket A (ref) | 11.35 | – | – |
| t | Socket depth | – | 4.82 | 5.21 |
- Length under head
- 55 mm · 54.4–55.6 mm to ISO 14579 product grade A
- Approx. weight
- ≈ 60.13 kg per 1 000 pieces · Bare steel, before coating and packing.16.6 pieces per kg
Holes for this thread
ISO 273 · ISO 2306Clearance hole · fine13 mm
Clearance hole · medium13.5 mm
Clearance hole · coarse14.5 mm
Tap drill10.2 mm
