piasta self-drilling screw, hexagon head with undercut and sealing washer
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piasta self-drilling screw, hexagon head with undercut and sealing washer
A2 stainless steel with drill tip and thread made of hardened steel. Screwing on of steel and aluminium profiles in steel and aluminium without over-turning ≤ 2 mm
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- The sealing washer consists of an A2 stainless steel metal back with vulcanised seal made from high-quality EPDM
- The thread-free part (undercut) below the screw head prevents the screw from over-tightening or stripping and thus ensures that splice plate screw connections in thin metal profiles are safe from working loose.
Suitable for component combinations tI/tII in accordance with approval ETA-10/0184
- Steel/steel for dia. 4.8 mm and 5.5 mm
- Aluminium/steel for dia. 4.8 mm and 5.5 mm
- Aluminium/aluminium for dia. 4.8 mm and 5.5 mm
- Also for dia. 5.5 mm steel/2 x steel (cassette attachment)
Select RAL-colour code
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