High Quality: The expansion screw shield is made of premium zinc alloy, solid and durable, not easy to break or deform, can be used for a long time.
Accurate Size: Lag guard is approximately 5/16" x 1-1/4"; Pilot hole drill size: 9/16", please check the size again before purchase.
Easy to Use: First Inserts into a hole by tapping with a hammer until flush, then screw in the screw, the bolt will spread the tension hood to both sides, making the screw easier to screw in.
Application: The lag screw shields allows lag screw bolts to be installed into concrete, brick, block or masonry structures; Suitable for medium-sized projects, shelving, window frames and ductwork.
100% Satisfaction: Enjoy a smooth & worry-free return service within a month! Any questions feel free to contact us, we will do our best to help you.