If you need to set anchors in concrete, the Tapcon 3099910 Carbide Bit and Sleeve is the tool for you. This carbide bit features a 25/64″ shank size and 3/16″ drill bit size. The 4 1/2″ long bit can be used with a 1/4″ masonry anchor. It has a 25/64″ shank diameter, as well as a carbide steel material. The overall length of this installation bit and sleeve is 4 1/2″. With its high quality construction, the Tapcon Carbide Bit and Sleeve will meet your demands.








