100pcs M4 M6 M8 Expansion Screw Jack Nuts Screw Galvanized carbon steel hollow iron plate Clam Petal

【Welcome to Wiki Boutique Store】【100% Ready Local Stock in Manila，Ship out within 24H, Average arrival time of 1-5 days after ship!】Features:The Petal Rivets Nut Jack Nuts Car Metal Screw are made of steel, not easy to rust, strong structure and maximum durability.The anchors expand on two opposing sides as you tighten the screw, increasing holding power.Anchors Screws with the deep cross groove is not easy to slip when screwing, saving your energy.It Has Practical Acceptable Properties And Its High Quality Can Maintain Its High Performance For A Long Time.Combination head on screw has the ability to receive slot and cross slot screwdriver.Widely used for gypsum board, drywall, light brick wall board, etc.Specifications:Item Type: Expansion+Expansion ScrewMaterial: Carbon Steel PlatingColor: Galvanized SilverSize: M420 , M625 ，M8*30M4 Petal Screw: Fits 8mm Drill BitsM6 Petal Screw: Fits 12mm Drill BitsHow To Use:1.Drill A Hole At The Selected Place.2.Knock The Anchor Into The Hole Until It Is Flat With The Substrate Surface.3.Install The Locator On The Screw Head.Snap The Trigger To Open The Anchor.（Can Set Small Size With Screwdriver)4.Remove The Screw And Put It In The Jig And Return To Anchor.Tighten The Screws Until Fixed.Package Includes: 100 * Petal Screw