Min. Drilling Size: 1 x 2.5mm / 0.04"x0.1"(wide*depth); Reference Drilling Diameter: 4.5-4.6mm(Plastic), 4.6-4.7mm(Aluminum Alloy), 4.7-4.8mm(Cast Iron)
Material: Carbon steel material, suitable for aluminum alloy, copper alloy, plastic and other substrates with low engineering strength. Strong resistance to vibration, can prevent loosening.
Advantages: With self-tapping capability, the base material does not need to be tapped in advance. It has a repairing effect on the female thread of the broken tooth, can continue to use the same screws by using the self-tapping screw sleeve.
Application: Installation easily, and only one assembly tool is required. It is widely used in household appliances, the shipping industry, construction machinery, electronic products, modular furniture and other places.