Raised countersunk head tapping screw, C shape H recessed head
SCR-RSDCS-ISO7051-C-H3-(A2K)-5,5X25
Art.-no. 011785525
EAN 4053479723402
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- Tapping screws are thread-forming screws. These screws form their own counter thread when screwed into a prefabricated core hole
- Reference values for selecting the correct core-hole diameter are included in DIN 7975
Datasheets(X)
 | |
Standards | ISO 7051 |
Material | Steel |
Surface | Zinc plated |
Head type | Raised countersunk head |
Drive type | Crosshead |
Internal drive | H3 |
Nominal diameter (d1) | 5.5 mm |
Head diameter (dk) | 11.5 mm |
Length (l1) | 25 mm |
Head height (k1) | 3.0 mm |
Thread type | Self-tapping screw thread |
Thread design | Full thread |
Pitch | 1.8 mm |
Product class | A |
RoHS-compliant | Yes |
Declaration of performance (EU-CPR) | No |
| Thread size | St 2.2 | St 2.9 | St 3.5 | St 3.9 | St 4.2 | St 4.8 | St 5.5 | St 6.3 | St 8 | St 9.5 |
| Min. sheet thickness (mm) | 0,8 | 1,1 | 1,3 | 1,3 | 1,4 | 1,6 | 1,8 | 1,8 | 2,1 | 2,1 |
| Max. sheet thickness (mm) | 1,8 | 2,2 | 2,8 | 3 | 3,5 | 4 | 4,5 | 5 | 6,5 | 7,5 |
| Pre-drilling diameter (mm) | 1,2 | 2,1 | 2,6 | 2,8 | 3,0 | 3,5 | 4,1 | 4,7 | 6,1 | 7,7 |
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