20/50/100 Set Self Tapping Screws Self Drilling Anchors Screws Drywall Anchors Expansion Nails Use for Gypsum Plasterboard Dowel

20/50/100 sets of self tapping screws, self drilling anchor screws, gypsum board heavy-duty wall anchors for gypsum board/insulation board expansion nails.Careful design:-When you use tools to tighten screws, the cracks on the ribbed anchor rod unfold to both sides, increasing the retention force; The serrated shape on both sides increases the gripping force of the metal anchor.High quality material:-Made of high manganese steel as raw material and treated with colored zinc plating, the structure is sturdy and has high durability.No need to drill holes:-No need to drill holes on the wall. As long as the anchor is pulled on a wall (1-2mm) wide, it will not damage your wall. Prevent wall damage and ensure no holes after use.Easy to Use:-Compared with convention plastic anchor, Self-Drilling Anchors Screws with tapered sharp head design allows installation and removal become easier, saving your energy.Specification:Name: Expansion nailMaterial: High manganese steel, coated with colored zincPackage Included:20sets(20Pcs Expansion tube + 20Pcs screws)or50sets(50Pcs Expansion tube + 50Pcs screws)or100sets(100Pcs Expansion tube + 100Pcs screws)