Drilling screw, hexagon head with reduced drill tip and sealing washer piasta®
piasta sst zinc-flake reduced drill tip w. washer
SCR-DBITR-WSH16-WS3/8-(RUS)-6,3X25
ZEBRA PIASTA
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The sealing washer consists of an A2 stainless steel metal back with vulcanised seal made of high-quality EPDM
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 tI / tII according to approval ETA-10/0184
- Steel/steel - for ∅ 4.8 mm and 6.3 mm
- Aluminium/steel - for ∅ 6.3 mm
- Aluminium/aluminium - for ∅ 6.3 mm
Datasheets(X)
 | |
Material | Bimetal |
Surface | Flake zinc |
Material of sealing washer | Stainless steel A2 |
Surface of the sealing washer | Plain |
Material of gasket | Ethylene propylene diene terpolymer rubber |
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 |
Nominal diameter (d1) | 6.3 mm |
Length (l1) | 25 mm |
Head diameter (dk) | 13.2 mm |
Outside diameter of the sealing washer (d2) | 16 mm |
Washer thickness (h1) | 3 mm |
Head height (k1) | 6.8 mm |
Drill tip length (lp) | 4.5 mm |
Screw-thread length with drill tip | 24 mm |
External drive (s1) | WS3/8 |
Max. material thickness to be drilled through (metal) | 2.5 mm |
For max. substructure thickness | 1.5 mm |
Min./max. attachment thickness | 0-7 mm |
Approval | ETA-10/0184 |
Min./max. recommended installation speed (idling) | 1200-1800 rpm |