drill bits & sets
dewalt dw5207 7 piece prem perc drill bit set
rock carbide bits with four flute carbide head that provides longer bit life with a special enlarged flute design that channels debris out of the hole for fast efficient drilling into masonry concrete rock and artificial stone the bits in this set are intended to make holes for mechanical anchors no spin shank to eliminate bit slippage ; used with 38 in and 12 in sized chucks features includes 316 x 3 in 14 x 4 in 516 x 6 in 38 x 6 in 12 x 6 in and 2 14 x 6 in innovative tip configuration reduces walking for improved accuracy unique flute design efficiently removes dust reducing bit binding improved carbide tip provides up to 2x longer life optimum grade of carbide provides maximum durability four flute design cleans debris out for fast efficient drilling three flats on shank eliminate bit slipping in chuck 7 piece dimension 5 x 7 9 x 8 8 in item weight 0 69 lbs sku orgl34560