+86 18969309028
Product
Gr10.9 Din7991 Hex Socket Countersunk Flat Head Screws
1. Standard:DIN7991
2. Grade :Carbon Steel 10.9
3. Size : M3-M20
4. Surface: Plain,Zinc Plated,Black,HDG,Dacroment,Anodization,Nickel plated,etc
5. ISO RoHS approve
6. Material certificate can be provide if needed.
7. Delivery term, FOB Shanghai, Ningbo, Ex-works, CNF, CIF, etc.
8. Packing details, Bags+Catons+Pallets, or according to clients` requirement.
<
| DIN7991 | |||||||
| Screw Thread d | Pitch P | k/max | s | dk | |||
| max | min | actual | theor | ||||
| 12.9 | other | min | max | ||||
| M3 | 0.5 | 1.86 | 2.045 | 2.060 | 2.020 | 5.545 | 6.72 |
| M4 | 0.7 | 2.48 | 2.560 | 2.580 | 2.520 | 7.53 | 8.96 |
| M5 | 0.8 | 3.10 | 3.071 | 3.080 | 3.020 | 9.43 | 11.20 |
| M6 | 1 | 3.72 | 4.084 | 4.095 | 4.020 | 11.34 | 13.44 |
| M8 | 1.25 | 4.96 | 5.084 | 5.140 | 5.020 | 15.24 | 17.92 |
| M10 | 1.5 | 6.20 | 6.095 | 6.140 | 6.020 | 19.22 | 22.40 |
| M12 | 1.75 | 7.44 | 8.115 | 8.175 | 8.025 | 23.12 | 26.88 |
| M14 | 2 | 8.40 | 10.115 | 10.175 | 10.025 | 26.52 | 30.80 |
| M16 | 2 | 8.80 | 10.115 | 10.175 | 10.025 | 29.01 | 33.60 |
| M20 | 2.5 | 10.16 | 12.142 | 12.212 | 12.032 | 36.05 | 40.32 |
Contact us
