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Drilling screw, hexagon head with undercut and sealing washer piasta®
A2 stainless steel with drill bit tip and moulded thread made of hardened steel. Screwing on of steel and aluminium profiles in steel and aluminium without over-turning ≤ 2 mm
- 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, Aluminum
- Head diameter: 10.9 mm
- Outside diameter of the sealing washer: 14 mm
- Washer thickness: 4 mm
- Head height: 5 mm
- External drive: WS8
- For max. substructure thickness: 2 mm
- Approval: ETA-10/0184
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Variants
The sealing washer consists of an A2 stainless steel metal back with vulcanised seal made of high-quality EPDM
Suitable for component combinations tI/tII according to approval ETA-10/0184
- Steel/steel for ∅ 4.8 mm and ∅ 5.5 mm
- Aluminium/steel for ∅ 4.8 mm and ∅ 5.5 mm
- Aluminium/aluminium for ∅ 4.8 mm and ∅ 5.5 mm
- and additionally for ∅ 5.5 mm steel/2 x steel (cassette attachment)
The thread-free part (undercut) below the screw head prevents the screw from overturning and thus ensures that splice plate screw connections in thin metal profiles are safe from working loose.
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