pias® drilling screw, countersunk head with AW drive
pias steel zinc plated countersunk head AW
SCR-DBIT-CS-AW25-(A3K)-4,8X19
ZEBRA PIAS
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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
AW drive system
- Optimal torque transmission
- Longer service life
- Optimum centring
- Better mounting output thanks to fatigue-free screwing in; the required contact pressure for transmission of the torques is considerably lower
- Largest possible contact surface of bit in screw drive
- Even force distribution prevents damage to the surface-protection coating and therefore ensures better resistance to corrosion
- 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.
Zinc-plated drilling screws may only be used where dampness is not to be expected. For fasteners with building authority approval, the approval, and in particular Part 2 "Special regulations", must always be observed.
Datasheets(X)
CAD data (available after login)
 | |
Other standard | Company standard |
Material | Steel |
Surface | Zinc plated |
Nominal diameter (d1) | 4.8 mm |
Length (l1) | 19 mm |
Head diameter (dk) | 9.5 mm |
Head height (k1) | 3.5 mm |
Internal drive | AW25 |
Drill tip length (lp) | 4.5 mm |
Head type | Countersunk head 80 degree |
Thread type | Self-tapping screw thread |
Min. recommended substructure thickness | 1.7 mm |
Max. material thickness to be drilled through (metal) | 4.0 mm |
Min./max. recommended installation speed (idling) | 1200-1800 rpm |
RoHS-compliant | Yes |
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