86820 5/16in. Sonic Masonry Bit

Sonic Masonry Drill Bits

• Sonic's(TM) advanced flute design clears-
• debris faster, keeping cutting tip cooler
• Industrial tungsten carbide cutting tip -
• resists wear & breakage for maximum durability
• Fully ground, heat-treated body handles shock-
• and stress of cutting concrete, stone, tile -
• granite & other masonry materials
• 3/8" size & above have ground 3-flat shanks

Technical Details