Percussion Masonry Drill Bit, 5/16 x 6-In.
Master Mechanic
Item Details
Master mechanic, 5/16" x 6", rotary percussion, masonry drill bit, black oxide, carbide tipped designed for use in drills with rotary or hammer mode, recommended for drilling cinder block, common & hard brick, plaster, ceramic tile, glazed tile & wet or dry concrete & for moderate use in marble, granite & concrete over 6000 psi.
