0 CRI Drill Bits

Standard grade(spherical shape) in 5/8” and ¾” diameter for soft to medium hard formations. Standard grade (ballistic or semi ballistic shape) in 5/8” and ¾” diameter for soft to medium hardness formations. ToughGrade™/XT carbide buttons (spherical shape) in 5/8” and ¾” diameter for medium to hard and abrasive formations. Diamond button (spherical shape) in 5/8” and ¾” diameter for hard and abrasive formations to achieve the most footage on the button, to get you to touchdown, and to save time and money by not having to trip out of the hole and resharpen. Optional fishing/retrieval threads machined on shoulder of bit in case bit would shank. Standard on oil/gas bits.