Pan head tapping screw shape C with H recessed head DIN 7981, A2 stainless steel, shape C, with tip
DIN 7981 stainless steel A2 pan head H form C
SCR-PANHD-DIN7981-C-H2-A2-3,9X25
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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
Self-tapping screws made from stainless steels are softer than those made from case-hardening steel. These screws are therefore not able to form a counter thread in steel plates. For this reason, they should only be used in soft materials, such as aluminium.
Datasheets(X)
CAD data (available after login)
 | |
Material | Stainless steel A2 |
Property class | 0 - not applicable |
Surface | Plain |
Form | C |
Nominal diameter (d1) | 3.9 mm |
Length (l1) | 25 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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