Catalog number: F525 Features: ● The wings on the left and right further increase the fixing power. ● When the screw is tightened, it expands in four directions and fits firmly into the base material. Application: ● Concrete Specifications: ● Length (mm): 25 ● Suitable screw diameter (mm): 3.0-4.0 ● Pilot hole diameter (mm): 5 ● Weight diameter (mm): 5 ● Screw length (mm): 30-32, thickness of object to be attached ● Pilot hole depth (mm): 35 ● Packed
