100PCS reusable self-drilling anchor kits plaster anchor bolts screws woodworking screws drill screws. Butterfly anchor bolts butterfly anchor bolts expansion screws expansion screw kits

Features: Strong, Easy to Use, Widely ApplicableSize: 12*30mmMaterial: Steel100% Brand New, High QualityType: Metal FastenersPackage Contents: 100pcs Anchor BoltsMade of high hardness carbon steel, galvanized surface, rust-proof, anti-corrosion, durable and wear-resistant.Expansion function, sharp head and special serrated design on both sides, can provide convenience for installing and removing screws on the wall without leaving obvious holes.With this anchor, you can screw the screws into the gypsum board. Easily these anchors are concentrated and can penetratethe resistance of the gypsum board. Quickly they are also very strong and will not break after screwing in the screws.Due to the flat shape design of the anchor bolts, it will not cause any damage to the wall, and there will be no screw holes in the wall when you remove the screws and anchor bolts. So you can reuse or decorate the wall.This self-drilling expansion screw kit is durable and can be used as a practical tool for installation on gypsum board, plywood.