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- Wurth Pan Head Tapping Screw Shape C w/ H Recessed Head A4 – M3
Wurth Pan Head Tapping Screw Shape C w/ H Recessed Head A4 – M3
Article No. 1253516
DIN 7981 stainless steel A4 pan head H form C A4-PAN-HD-S/TAPPING-SCREWS-DIN7981-M3,5X16
Pickup Availability:
Malta
(Out of Stock)
Features
Material | Stainless steel A4 |
Surface | Bare |
Form | C |
Nominal diameter (d1) | 3.5 mm |
Length (l1) | 16 mm |
Head diameter (dk) | 6.9 mm |
Head height (k1) | 2.6 mm |
Internal drive | H2 |
DIN | 7981 |
Head type | Pan head |
Declaration of performance (EU-CPR) | No |
Standards | DIN 7981 |
Specifications
DIN 7981 A4 stainless steel, shape C, pointed
- 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
Notice
Self-tapping screws made from stainless steels are softer than those made from case-hardening steel. These screws are therefore not able to form a counter thread in steel plates. For this reason, they should only be used in soft materials, such as aluminium.
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