When you need to drill holes for 1/4" masonry anchors, the TAPCON 3100910 Carbide Bit is your best option. The installation bit and sleeve are designed for use with 1/4" masonry anchors. This 5 1/2 in. long installation bit has a maximum drilling depth of 3 7/8 in.. It has a 25/64 in. shank size and is made from carbide steel. The TAPCON 3100910 Carbide Bit measures 5 1/2" in length and has a diameter of 0.25". If you’re looking for an installation bit that can get the job done right, this is it.
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