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Countersunk tapping screw shape F with H recessed head DIN 7982, A2 stainless steel, plain, PH drive
DIN 7982 stainless steel A2 cntrsk head H shape F
SCR-CS-DIN7982-F-H2-A2-4,2X9,5
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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)
 | |
Material | Stainless steel A2 |
Surface | Plain |
RoHS-compliant | Yes |
Form | F |
Nominal diameter (d1) | 4.2 mm |
Length (l1) | 9.5 mm |
Head diameter (dk) | 8.1 mm |
Head height (k1) | 2.5 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 | F |