M4 M6 Jack Nuts Screw Petal Screws Anchors Metal Rivet Petal Expansion Plugs Lock Bolt Board Wall Fastener Expansion Clamp

Item Type: Expansion + expansion screw Material: Carbon steel galvanized Color: silver Size: M4×20mm, M4×25mm, M6×25mm

Features: 1. Strengthen anchor wings can provide maximum load carrying capacity, which is practical. 2. Integral threaded adhesive washers can be used for increased reliability, which is with high performance. 3. Combination head on screw has the ability to receive slot and cross-slot screwdriver. 4. Entitled with pratical adoptability, its high quality can keep its high performance for a long time. 5. Built to strict quality control standards, design is improved for more durability.