1. Product Name & Standard Official Name: Hex Flange Concrete Self‑Tapping Anchor Screw Standard: General concrete self‑tapping anchor screw 2. Structural Features Adopts hex flange head with serrated flange face for anti‑slip locking. External hex drive for convenient wrench installation. Full‑thread shank with special coarse self‑cutting thread and sharp self‑cutting tip. 3. Material & Strength Grade Main material: Carbon steel. Stainless steel available on request. Heat‑treated to achieve high tensile and shear strength. 4. Surface Treatment Common finishes: electro-galvanizing, hot-dip galvanizing, mechanical galvanizing, Dacromet, Delta Tone, Geomet, phosphating and nickel plating. Custom anti‑corrosion coating optional. 5. Key Advantages ‑Hex flange head provides large bearing surface to disperse pressure. ‑Serrated flange prevents loosening under vibration. ‑Special self‑cutting thread taps threads directly into concrete without pre‑expansion sleeve. ‑Full‑thread design delivers strong pull‑out resistance. 6. Application Scenarios Extensively used for concrete fixing, masonry installation, steel‑to‑concrete connection, facade mounting, railing fixing and general concrete anchoring jobs.