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Drilling screw, hexagon head with sealing washer piasta®
Drilling screw, hexagon head with sealing washer piasta<SUP>®</SUP> - 1
Drilling screw, hexagon head with sealing washer piasta<SUP>®</SUP> - 2
Drilling screw, hexagon head with sealing washer piasta<SUP>®</SUP> - 3
Drilling screw, hexagon head with sealing washer piasta<SUP>®</SUP> - 4

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Drilling screw, hexagon head with sealing washer piasta®

A2 stainless steel with drill bit tip and moulded thread made of hardened steel. For attaching aluminium and steel profiles as well as sandwich elements to aluminium and steel substructures ≤ 5 mm

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Available in 46 versions

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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 ∅ 4.2 mm-∅6.3 mm


In addition, according to ETA-13/0210 sandwich attachment for ∅ 6.3 mm from a length of ≥ 50 mm