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Raised contersunk head tapping screw, C shape with H recessed head DIN 7983, steel, zinc-plated black (A2S), with H cross recess.
DIN 7983 steel zinc plated black H shape C w. tip
SCR-RSDCS-DIN7983-C-H2-(A2S)-4,2X25
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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)
 | |
Standards | DIN 7983 |
Material | Steel |
Surface | Zinc plated black |
Form | C |
Head type | Raised countersunk head |
Drive type | H |
Internal drive | H2 |
Nominal diameter (d1) | 4.2 mm |
Head diameter (dk) | 8.1 mm |
Length (l1) | 25 mm |
Head height (k1) | 2.5 mm |
Thread type | Self-tapping screw thread |
Thread design | Full thread |
RoHS-compliant | No |
Declaration of performance (EU-CPR) | No |