Function: plated with a drilted head. Suitable for fixings on concrete, bricks and other high-density material.
First, we need to use electric drill to drill specific size of the hole; Second, putting expand plug in the hole;
Finally, using a screwdriver to tighten screw into the expansion tube until the specified location.
Delivery time:3-15 days (Depend on your order quantity)after confirm order
Payment terms: T/T, Western Union, L/C, Trade Assurance