Countersunk tapping screw shape C with H recessed head DIN 7982, A2 stainless steel, with tip
DIN 7982 A2 sst, cntrsnk hd H, shape C
SCR-CS-DIN7982-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
Stainless steel tapping screws are weaker than case-hardening steel tapping screws. This means that these screws cannot form a counter thread in sheet steel. For this reason, they are used in soft materials such as aluminium only.
Datasheets(X)
CAD data (available after login)
 | |
Material | Stainless steel A2 |
Surface | Plain |
RoHS-compliant | Yes |
Form | C |
Nominal diameter (d1) | 3.9 mm |
Length (l1) | 25 mm |
Head diameter (dk) | 7.5 mm |
Head height (k1) | 2.3 mm |
Internal drive | H2 |
Drive type | H |
Head type | Countersunk head 80 degree |
Thread type | Self-tapping screw thread |
Thread design | Full thread |
Declaration of performance (EU-CPR) | No |
Shape of tip | C |
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