piasta® drilling screw, hexagon head A2 stainless steel with drill tip and moulded thread made of hardened steel
piasta W-214 self-drilling screw
SCR-DBIT-WS7-(RUS)-4,2X25
ZEBRA PIASTA
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Reduction of the assembly time using the drill bit tip by min. 50%:
- Drilling without centrepunching
- Thread moulding
- Securing
All in one operation
Suitable for component combinations tl / tII according to approval ETA-10/0184
- Steel/steel - for ∅ 4.2 mm–6.3 mm
- Aluminium/steel - for ∅ 4.8 mm
- Aluminium/aluminium - for ∅ 4.8 mm
Datasheets(X)
CAD data (available after login)
 | |
Material | Bimetal |
Surface | Flake zinc |
RoHS-compliant | Yes |
Head type | Hexagon head with collar |
Drive type | Hexagon |
Thread type | Self-tapping screw thread |
Shape of tip | Drilling tip |
Underground | Steel, Aluminum |
Nominal diameter (d1) | 4.2 mm |
Length (l1) | 25 mm |
Head diameter (dk) | 8.8 mm |
Head height (k1) | 4 mm |
Drill tip length (lp) | 5.0 mm |
Screw-thread length with drill tip | 22 mm |
External drive (s1) | WS7 |
Max. material thickness to be drilled through (metal) | 3.0 mm |
For max. substructure thickness | 2.0 mm |
Min./max. attachment thickness | 1.5-10.0 mm |
Approval | ETA-10/0184 |
Min./max. recommended installation speed (idling) | 1700-2500 rpm |
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