Dewalt Accessories .31in. X 6in. Hammer & Percussion Masonry Drill Bits DW5228
Drill bit Hammer and percussion masonry Improved carbide tip provides up to 2 times longer life Innovative tip configuration reduces walking for improved accuracy Optimum grade of carbide provides maximum durability Unique flute design efficiently removes dust and reduces bit binding 5/16" diameter 5/16" shank 4" drilling depth Length: 10.81Width: 4.25Height: 10.38