10/100PCS Aluminum Alloy Hammer Drive Rivets Tapping Expansion Screws Head Piercing Cabinet Fixing Nails Furniture Accessories

Describe. Expanded aluminum nails are made of high-grade aluminum, strong and durable. This ensures they can withstand the toughest conditions and last longer than traditional screws, ensuring they won't loosen over time. Featuring a unique expansion design, it can be easily driven into concrete, wood, and other materials. Aluminum construction ensures durability and strength, making it ideal for a variety of projects. Ideal for installing wall cabinets, security windows and wall panels. Easy to get into tight spaces and set up in difficult areas. Specification. Material: aluminum alloy. Category: Screws. Size: inner diameter 57mm, inner diameter 59mm, inner diameter 5*11mm. How to use: knock the upper part, the lower part will expand after knocking. Applicable: furniture, cabinets, doors and windows, concrete, wood, etc. Package includes: 10-100 Knockout Expansion Screws