Catalog number: A409B Features: ● You can attach equipment to new building materials and plasterboards where screws and nails cannot be used, without a backing board or body frame. Uses: ● For plasterboard and new building materials. Specifications: ● Screw size: M4 ● Outer diameter (mm): 6.8 ● Screw length (mm): 40 ● Suitable board thickness (mm): 3 to 9.5 ● Pilot hole diameter (mm): 9 ● Head diameter (mm): 6.8 ● Length (mm): 34 Material/Finish: ● Steel
