DIN EN ISO 15482 Standard Dimensions for Self-drilling screws, cross recessed countersunk head with tapping thread
Technical History and International Equivalents of DIN EN ISO 15482
Self-drilling screws with tapping thread
This standard (DIN EN ISO 15482 and equivalents) specifies the characteristics of cross recessed countersunk head drilling screws with tapping screws thread from ST2,9 to ST6,3 included.
The self drilling screws are mainly used for fastening sheet metals without a previous hole and are the screws themselves which bore into the sheets and subsequently fasten both plates.
Dimensional Drawing and Technical Diagrams
Key Dimensions and Technical Parameters
|
Dimensions in mm - source DIN EN ISO15482 Publication date: 02-2000 Supersedes DIN 7504 O : 09-1995 |
|||||||||
|
d thread size |
P
|
k max
|
dk min
|
dk max | recess nr. |
Type H m ref.
|
Type Z m ref. | drilling range | |
| ST2.9 | 1.1 | 1.7 | 5.2 | 5.5 | 1 | 3.2 | 3.2 | 0.7÷1.9 | |
| ST3.5 | 1.3 | 2.35 | 6.9 | 7.3 | 2 | 4.4 | 4.3 | 0.7÷2.25 | |
| ST4.2 | 1.4 | 2.6 | 8 | 8.4 | 2 | 4.6 | 4.6 | 1.75÷3 | |
| ST4.8 | 1.6 | 2.8 | 8.9 | 10.4 | 2 | 5.2 | 5.1 | 1.75÷4.4 | |
| ST5.5 | 1.8 | 3 | 9.9 | 11.5 | 3 | 6.6 | 6.5 | 1.75÷5.25 | |
| ST6.3 | 1.8 | 3.15 | 10.9 | 12.6 | 3 | 6.8 | 6.8 | 2÷6 | |