https://heicko.de/en/window-construction-screws/self-drilling-screws/self-drilling-screw-eco-bigpack/ products in category Self drilling screw Eco, Bigpack en heicko B2B / heicko e-ast GmbH Wed, 11 Mar 2026 05:12:59 +0100 heicko B2B / heicko e-ast GmbH info@heicko.de (Dipl.-Kfm. Michael Pottgießer) https://heicko.de/out/heicko_b24_wave/img/logo_ce.png https://heicko.de/en/window-construction-screws/self-drilling-screws/self-drilling-screw-eco-bigpack/ https://heicko.de/en/window-construction-screws/self-drilling-screws/self-drilling-screw-eco-bigpack/3212100.html Wed, 12 Nov 2025 10:27:30 +0100 <img src='https://heicko.de/out/pictures/generated/product/1/390_245_75/3112-3.9-16_mass.jpg' border=0 align='left' hspace=5>• Sheet metal screw thread, Ø 3.9 mm&lt;br&gt; • Drill tip at least 4.5 mm long&lt;br&gt; • Countersunk head 90°, Phillips PH2&lt;br&gt; • Bulk sorted up to 32 mm length&lt;br&gt; • Surface: blue zinc-plated, minimum 5 µm&lt;br&gt; • Head diameter depending on length:&lt;br&gt; Ø 7.4 mm (length = 11–22 mm) without locking ribs&lt;br&gt; Ø 7.1 mm (length = 25–45 mm) with locking ribs&lt;br&gt; • Reinforcement thickness up to 3.5 mm&lt;br&gt; • Head coating in RAL colors available on request https://heicko.de/en/window-construction-screws/self-drilling-screws/self-drilling-screw-eco-bigpack/3212100.html