Pan head tapping screw, C shape with H recessed head DIN 7981, steel, zinc-plated black (A2S), shape C, with tip
DIN 7981 steel zinc ptd. black pan head H shape C
SCR-PANHD-DIN7981-C-H2-(A2S)-3,9X22
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- Tapping screws belong to the thread-moulding screw family. When screwed into a pre-prepared core hole, these screws shape their own counter-thread.
- Guideline values for selecting the correct core hole diameter are contained in DIN 7975.
- Shape C = thread with tip
- Shape F = Thread without tip
- Shape R = Thread with rounded tip
Datasheets(X)
CAD data (available after login)
 | |
Material | Steel |
Property class | 0 - not applicable |
Surface | Zinc plated black |
Form | C |
Nominal diameter (d1) | 3.9 mm |
Length (l1) | 22 mm |
Head diameter (dk) | 7.5 mm |
Head height (k1) | 2.8 mm |
Internal drive | H2 |
DIN | 7981 |
Head type | Pan head |
Head details | 0 - not applicable |
Declaration of performance (EU-CPR) | No |
Standards | DIN 7981 |
Thread type | Self-tapping screw thread |
Thread design | Full thread |
Shape of tip | C |
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