EJOT Octaqon’s JT2 Self-Drilling Screws revolutionize steel construction with case-hardened, zinc-plated design and watertight sealing. Ideal for roofing and cladding, these versatile, ETA-21/0420 certified screws ensure durability, efficiency, and precision for high-strength steel projects. https://ejot-octaqon.medium.com/everything-you-need-to-know-about-jt2-self-drilling-screws-25caf2d46a5f