pias® drilling screw, round head with collar and H recessed head
pias steel zinc plated black pan head H w. flange
SCR-DBIT-PANHD-FLG-H2-(A2S)-4,2X25
Art.-no. 021824 25
EAN 4011231278393
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Drilling, threading, screwing-in — all in one work step
Therefore considerably reduced time and effort
Exact drilling diameter for each screw connection
- Resulting in minimisation of thread tolerance
- Always an optimum connection
Prevents installation errors
- The pressed-on flange generates a lower surface pressure, which helps to prevent stress cracks
- Contact pressure during use approx. 100 N/screw in with depth stop if necessary
- Drilling screws must be processed with a suitable drill driver (e.g. cordless drill driver with depth stop)
- The use of impact screwdrivers is not permitted
- Drilling screws must be attached perpendicular to the surface of the component
Galvanized drilling screws may only be used where dampness is not to be expected.
For fasteners with a construction permit, the permit, and in particular Part 2 "Special regulations", must always be observed.
The self-drilling screw for fastening plastic and thin sheet metal to metal sub-structures.
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Material | Steel |
Surface | Zinc plated black |
Nominal diameter (d1) | 4.2 mm |
Length (l1) | 25 mm |
Head diameter (dk) | 11.0 mm |
Head height (k1) | 2.6 mm |
Drill tip length (lp) | 3.7 mm |
Other standard | Company standard |
Head type | Pan head with collar |
Internal drive | H2 |
Thread type | Self-tapping screw thread |
Min. recommended substructure thickness | 1.5 mm |
Max. material thickness to be drilled through (metal) | 3.5 mm |
Max. attachment thickness (lB) | 18 mm |
Min./max. recommended installation speed (idling) | 1700-2500 rpm |
RoHS-compliant | Yes |
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