Carbon Steel Serrated Expansion Screws, Concrete Wall Anchors Plug Bolt, Heavy Duty Hardware Fasteners for Home Building Wall Renovation Installation

Specification Material: plain carbon steel Size: M6 × 30mm expansion tube galvanized+M3.5 × 35mm self tapping screw, M8 × 32mm expansion pipe galvanized+M5 × 40mm self tapping screw. Applicable to: fixed home, room decoration, etc

Features: 1. Made of high‑quality plain carbon steel with galvanized treatment, the expansion tube features good rust resistance for long‑term household use. 2. Contains two common specifications: M6×30mm and M8×32mm expansion tubes, matched with corresponding self‑tapping screws for diverse installation demands. 3. Stable expansion locking design, provides firm fixing performance, suitable for wall mounting and home renovation installation work. 4. Perfect for indoor home decoration and daily fixing projects, works well on drywall and other common wall surfaces. 5. Complete hardware kit with expansion tubes and matched screws, convenient for quick assembly and practical for household repair work.