Large round head square neck bolts
DIN603
DIN 603 ~UNI 5732
| standard | DIN German standard |
|---|---|
| head shape | Round head square neck |
| Material | |
| Thread | Partially threaded |
| Surface | |
| Grade |
| (mm) | M5 | M6 | M8 | M10 | M12 | M16 | M20 |
|---|---|---|---|---|---|---|---|
| P | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2.5 |
| dk(max) | 13.55 | 16.55 | 20.65 | 24.65 | 30.65 | 38.8 | 46.8 |
| dk(min) | 12.45 | 15.45 | 19.35 | 23.35 | 29.35 | 37.2 | 45.2 |
| ds(max) | 5 | 6 | 8 | 10 | 12 | 16 | 20 |
| ds(min) | 4.52 | 5.52 | 7.42 | 9.42 | 11.3 | 15.3 | 19.16 |
| k1(max) | 4.1 | 4.6 | 5.6 | 6.6 | 8.75 | 12.9 | 15.9 |
| k1(min) | 2.9 | 3.4 | 4.4 | 5.4 | 7.25 | 11.1 | 14.1 |
| k(max) | 3.3 | 3.88 | 4.88 | 5.38 | 6.95 | 8.95 | 11.05 |
| k(min) | 2.7 | 3.12 | 4.12 | 4.62 | 6.05 | 8.05 | 9.95 |
| r(max) | 0.5 | 0.5 | 0.5 | 0.5 | 1 | 1 | 1 |
| s(max) | 5.48 | 6.48 | 8.58 | 10.58 | 12.7 | 16.7 | 20.84 |
| s(min) | 4.52 | 5.52 | 7.42 | 9.42 | 11.3 | 15.3 | 19.16 |
| steel | ||
| General technical conditions | DIN 267-1 | |
| Thread | tolerance | 8g |
| standard | DIN 13-13 | |
| Mechanical properties | Grade | Level 4.6, Level 3.6: At the manufacturer's option; |
| Grade 8.8 or other steel groups and strength categories as agreed | ||
| standard | DIN ISO 898-1 | |
| tolerance | Product grade | C |
| standard | DIN ISO 4759-1 | |
| surface treatment | Electroplating technology requirements are in accordance with DIN 267-9; | |
| Hot dip galvanizing technical requirements according to DIN 267-10 | ||
| surface defects | DIN 267-19 | |
| surface roughness | DIN 267-2 | |
| Acceptance and packaging | DIN 267-5 | |
