【Short Hollow Wall Anchors Principle】The main component of a molly bolt is a metal sleeve with expandable "wings" or legs. A screw is threaded through the sleeve. When the screw is tightened, the sleeve expands behind the wall, creating a strong anchor. The expansion of the sleeve distributes the load over a larger area, reducing the risk of the anchor pulling out

【 Cavity Fixing Hollow Door Anchor Material 】: Hollow wall anchors are made of high-quality carbon steel material, which is thick, strong and not easy to break, providing excellent stability for a variety of materials

【Screws Heavy Duty Load Capacity】These hollow door anchors and screws are perfect for 0-5 mm doors, providing reliable support and security in cavity walls Install. The has a load capacity for weight capacity from 20 to 40 lbs, giving you Provides reliable support while minimizing the weight of the wall

【EASY INSTALLATION】 : Simple 4-step process: Drill hole, insert anchor, pull bolt to expand petals behind wall, secure item

【Threaded Screw Nuts To Use】: The hollow design ensures that the screw can be for setting cavity wall fixings into hollow stud walls accurately and quickly. Place Anchor into pre-drilled hole, attach setting tool and squeeze trigger

【Bolt Set For Multi-Scene Application】The heavy duty zinc plated steel bolt hollow drive wall anchor screw set suitable for various substrates, such as thin metal plates, wallpaper, concrete, wood, aluminum cladding, iron plates, hollow plastic plates, ceramics, cardboard, etc. Suitable for shallow hollow panels such as doors and caravan walls