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Pan head tapping screw, shape F with recessed head Z DIN 7981, A2 stainless steel, round head, PZ drive, shape F
DIN 7981 A2 stainless steel, Z pan head, shape F
SCR-PANHD-DIN7981-F-Z1-A2-2,9X9,5
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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.
 | |
Material | Stainless steel A2 |
Surface | Plain |
Form | F |
Nominal diameter (d1) | 2.9 mm |
Length (l1) | 9.5 mm |
Head diameter (dk) | 5.6 mm |
Head height (k1) | 2.2 mm |
Internal drive | Z1 |
DIN | 7981 |
Head type | Pan head |
Declaration of performance (EU-CPR) | No |
Standards | DIN 7981 |
Thread type | Self-tapping screw thread |
Thread design | Full thread |
Shape of tip | F |
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