Cross cylindrical head machine screws
DIN7985HP
Diameter range: M1.6-M6 Length range: 4mm-80mm
| standard | DIN German standard |
|---|---|
| Groove | Cross recess |
| head shape | Spherical cylinder |
| Thread | Fully threaded |
| (mm) | M1.6 | M2 | M2.5 | M3 | M3.5 | M4 | M5 | M6 | M8 | M10 |
|---|---|---|---|---|---|---|---|---|---|---|
| P | 0.35 | 0.4 | 0.45 | 0.5 | 0.6 | 0.7 | 0.8 | 1 | 1.25 | 1.5 |
| da(max) | 2.1 | 2.6 | 3.1 | 3.6 | 4.1 | 4.7 | 5.7 | 6.8 | 9.2 | 11.2 |
| dk(max) | 3.2 | 4 | 5 | 6 | 7 | 8 | 10 | 12 | 16 | 20 |
| dk(min) | 2.9 | 3.7 | 4.7 | 5.7 | 6.64 | 7.64 | 9.64 | 11.57 | 15.57 | 19.48 |
| r(max) | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 | 0.25 | 0.4 | 0.4 |
| No. | 0 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 4 | 4 |
| M | 1.8 | 2.5 | 2.7 | 3.1 | 4.2 | 4.6 | 5.3 | 6.8 | 9 | 10.2 |
| t(min) | 0.72 | 1.1 | 1.3 | 1.7 | 1.74 | 2.04 | 2.77 | 3.03 | 4.18 | 5.38 |
| t(max) | 1.02 | 1.4 | 1.6 | 2 | 2.24 | 2.54 | 3.27 | 3.53 | 4.68 | 5.88 |
| h(max) | 1.42 | 1.72 | 2.12 | 2.52 | 2.82 | 3.25 | 3.95 | 4.75 | 6.15 | 7.68 |
| h(min) | 1.18 | 1.48 | 1.88 | 2.28 | 2.58 | 2.95 | 3.65 | 4.45 | 5.85 | 7.32 |
| k | 0.8 | 1.1 | 1.3 | 1.6 | 1.9 | 2 | 2.5 | 3 | 3.7 | 4.8 |
| Material | steel | Stainless steel | nonferrous metals | |
| General requirements | DIN 267 part 1 | |||
| Thread | tolerance | 6g | ||
| standard | DIN 13 part 13,15 | |||
| Mechanical properties | Grade | 4.8，5.8，8.8 | A2-70，A4-70 | CuZn = Copper-Zinc Alloy CU2 or CU3 at manufacturer's choice |
| standard | DIN ISO 898 part 1 | DIN 267 part 11 | DIN 267 part 18 | |
| tolerance | Product grade | A | ||
| standard | DIN ISO 4759 part 1 | |||
| surface treatment | - | without treatment | blank | blank |
| - | Electroplating DIN 267 part 9 Other surface treatments are subject to agreement between the supplier and the buyer |
|||
| surface roughness | DIN 267 part 2 | |||
| surface defects | DIN 267 part 19 | |||
| Acceptance and packaging | DIN 267 part 5 | |||
