Specifications: Screw anchor bolt size: 1/4" - 20; The smallest pilot hole suitable for use is 1/2" Diameter and 7/8" Depth
Material: Made of high-quality hardened alloy steel, high strength, strong durability, not easy to deform. Powder coating on the surface, which has stronger corrosion resistance and extend the service life
Easy to Use: Just drill the required size holes, put anchor screw on the expander, insert the screw anchor into the drilled holes, and then use a hammer or mallet to hit the head of the expander of the anchor hole, and then unscrew expander
Package Includes: 1 x Screw Anchor Expander. If you have any questions about the product or installation process, you can consult us