Tapping screw pan head DIN 7981-C
Tapping screw, pan head, DIN 7981-C, acid-resisting steel A4, PZ, type C
DIN 7981-C PZ A4 3,5X25
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When screwing in pre-drilled holes, tapping screws remove material when biting into the fastening material, rolling a thread.
Types
- Type C: thread and cone tip
- Type F: thread and flat tip
- Type R: thread and rounded tip
Stainless steel sheet metal screws are softer than case-hardened steel tapping screws. This means they bite poorly into the fastening sheet metal. Therefore they are only recommended for use in soft materials, e.g., aluminium.
Datasheets(X)
 | |
Nominal diameter (d) | 3.5 mm |
Length (l) | 25 mm |
Head diameter (d) | 5.6 mm |
Head height (k) | 2.6 mm |
Notice | Stainless steel sheet metal screws are softer than case-hardened steel tapping screws. This means they bite poorly into the fastening sheet metal. Therefore they are only recommended for use in soft materials, e.g., aluminium. |
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