Raised countersunk tapping screw, C shape with Z recessed head DIN 7983, A2 stainless steel, plain, shape C, with Z cross recess.
DIN 7983 plain A2 stainless steel Z shape C point.
SCR-RSDCS-DIN7983-C-Z2-A2-3,9X19
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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)
 | |
Standards | DIN 7983 |
Material | Stainless steel A2 |
Surface | Plain |
Form | C |
Head type | Raised countersunk head |
Drive type | Z |
Internal drive | Z2 |
Nominal diameter (d1) | 3.9 mm |
Head diameter (dk) | 7.5 mm |
Length (l1) | 19 mm |
Head height (k1) | 2.3 mm |
Thread type | Self-tapping screw thread |
Thread design | Full thread |
RoHS-compliant | Yes |
Declaration of performance (EU-CPR) | No |
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