ISO 7047 M10 x 20 Raised Countersunk Head Screw
Made to order in 5 material, grade and finish combinations.
Dimensions at M10 x 20
mm · ISO 7047 · 2011 edition| Dimension | Nominal | Min | Max | |
|---|---|---|---|---|
| d | Thread size | M10 | – | – |
| P | Thread pitch | 1.5 | – | – |
| l | Length | 20 | – | – |
| a | Thread runout | – | – | 3 |
| dk | Theoretical head diameter | 18.3 | 17.78 | 20 |
| f | Raised head height (ref) | 2.3 | – | – |
| k | Head height | 5 | – | – |
| r | Radius | – | – | 2.5 |
| rf | Head radius (ref) | 19.5 | – | – |
| x | Incomplete thread | – | – | 3.8 |
| Recess number | 4 | – | – | |
| m | Type H recess width (ref) | 10.4 | – | – |
| Type H penetration | – | 5.5 | 6 | |
| m | Type Z / socket width (ref) | 10.3 | – | – |
| Type Z penetration | – | 5.6 | 6.05 | |
| b | Thread length | 38 | – | – |
- Length to top of countersink
- 20 mm · 19.58–20.42 mm to ISO 7047 product grade A
- Approx. weight
- ≈ 15.50 kg per 1 000 pieces · Bare steel, before coating and packing.64.5 pieces per kg
Holes for this thread
ISO 273 · ISO 2306Clearance hole · fine10.5 mm
Clearance hole · medium11 mm
Clearance hole · coarse12 mm
Tap drill8.5 mm
