soft formation tooth bits the 114-117 bits are used to drill low-compressive strength,soft formations.long projection tooth lengths are used on high offset cones to provide the greatest penetration rates possible.wear-resistant hard facing is used to contorol tooth wear.onthe softest bit types this hard facing completely covers the bit teeth.
cangzhou great pdc bits co.,ltd
Contact
Person:
ying chen
Phone:
86-0317-3212988
Fax:
86-0317-3212998
Zip code:
062450
Address:
junziguan industrial development zone,hejian,hebei
steel tooth bits series 
