ISO 14580 M4 x 8 Cheese Head Screw
In stock in 7 material, grade and finish combinations.
Dimensions at M4 x 8
mm · ISO 14580 · 2011 edition| Dimension | Nominal | Min | Max | |
|---|---|---|---|---|
| d | Thread size | M4 | – | – |
| P | Thread pitch | 0.7 | – | – |
| l | Length | 8 | – | – |
| dk | Head diameter | 7 | 6.78 | – |
| k | Head height | 3.1 | 2.92 | – |
| r | Radius | – | 0.2 | – |
| Recess number | 20 | – | – | |
| A | Hexalobular socket A (ref) | 3.95 | – | – |
| b | Thread length | 38 | – | – |
| t | Socket depth | – | 1.27 | 1.66 |
- Length under head
- 8 mm · 7.71–8.29 mm to ISO 14580 product grade A
- Approx. weight
- ≈ 1.33 kg per 1 000 pieces · Bare steel, before coating and packing.752 pieces per kg
Holes for this thread
ISO 273 · ISO 2306Clearance hole · fine4.3 mm
Clearance hole · medium4.5 mm
Clearance hole · coarse4.8 mm
Tap drill3.3 mm
