100/200Pcs Butterfly Expansion Screw Carbon Steel Sturdy & Durable Self Drilling Screws Kit for Lightweight Wall Skru Pengembangan Rama-rama 蝶形膨胀螺丝

❤️Malaysia Seller✅1-3 Days (Mon-Fri, Semenanjung Malaysia)✅Shipping Within 24 Hours.✅Lowest Price and Best Offer provided.✅Fast Reply (3~5 mins during office time)📋Product Information📋✔️Name: Butterfly Expansion Screw✔️Material: Carbon Steel✔️Model: 【1230 pipe&435 nail】, 【1240 pipe + 445 nail】✔️Quantity: 50/100/200 Pcs✔️Application: Lightweight boards such as gypsum board, insulation board, and hollow core board✨Features✨🌟Simply hammer the screw into the gypsum board for easy and quick installation by one person.🌟No dust pollution, does not damage the board structure, making installation more environmentally friendly.🌟Utilizes a metal spring-type expansion structure. When the matching screw is screwed in, the metal outer shell expands evenly, forming a "barb + grip" double fixing effect, firmly gripping the internal fibers of the gypsum board and preventing loosening.🌟Can be used to install paintings, shelves, towel racks, lamps, small appliances, and other light, medium, and heavy-duty hanging items.📦Packaging List: Screws Nail + Expansion Pipe