ISO 7047 M3×20 Raised Countersunk Head Screw5 combinations of material, property class and finish supplied in this size.
- Standard
- ISO 7047 · 2011
- Thread
- M3 · pitch 0.5 mm
- Length under head
- 20 mm · 19.58–20.42 mm to ISO 7047 product grade A
- Head height
- 1.65 mm
- Clearance / tap drill
- 3.2 / 3.4 / 3.6 mm · 2.5 mm
- Weight
- 1.06 kg per 1 000 pieces · From the standard's published table943 pieces per kg
Order M3×20
Set a quantity on as many rows as you need. Not listed? We make to your drawing — send it with the enquiry.
| Material | Class | Finish | Quantity | Net weight |
|---|---|---|---|---|
| Carbon Steel | 4.8 | Zinc Plated | — | |
| Carbon Steel | 4.8 | Nickel Plated | — | |
| Carbon Steel | 4.8 | Plain | — | |
| Stainless Steel | A2-70 | Plain | — | |
| Stainless Steel | A2-70 | Passivated | — |
Dimensions at M3×20
| Dimension | Value |
|---|---|
| P | 0.5 mm |
| k | 1.65 mm |
| Weight | 1.06 kg / 1000 pcs |
| Pieces per kg | 943 |
Plating adds thickness — state the finish on the order.
Holes for this thread
ISO 273 · ISO 2306| Hole | Diameter |
|---|---|
| Clearance hole | 3.2 / 3.4 / 3.6 mm |
| Tap drill | 2.5 mm |
Other lengths in M3
All sizes →| Size | kg per 1 000 pieces | |
|---|---|---|
| M3×10 | 0.61 | open |
| M3×12 | 0.70 | open |
| M3×16 | 0.88 | open |
| M3×20 | 1.06 | this page |
| M3×25 | 1.28 | open |
