• Specially designed for drill concrete, brick, tile, and stone.
• Drill bits can be used in standard or impact type drills.
• Long wearing tungsten carbide tips are brazed to drill bits.
• Fast spiral flutes assure quick dust removal without clogging.
• Drill bit length is 4".					
GNS869
GNS869-3/16
GNS869-5/16
GNS869-3/8
GNS869-1/2