rock bit

China high quality tipped tricone bits for mining with API certification product introduction TCI Tricone bits (1) This series tricone bit use Journal bearing. Hardfaced head bearing surface. Cone bearing ... Read More

China tipped tricone bit that customer trust with API certification product information Structural features: 1.Cutting structure this type TCI tricone bits: The durability of premium tungsten carbide insert is ... Read More

China API tipped tricone bit that customer trust with high quality Advantage 1.High-strength, high flexibility, high temperature, high wear resistance. 2. High-precision metal seal. 3. Locking roller ball, to ... Read More

Good Used Oil Well Roller Core Drill Bit Manufacturer for water well drilling Product information The strength and wear resistance of inserts are improve by using carbide inserts with high strength and high ... Read More

diamond drill bits 1.Details Bit type Main bit size(mm) Rock coefficient PDC core drill bit Single pipe 75/54.5 94/74 113/89 113/109 153/129 1-18 Two-pipes 75/54.5 94/68 PDC center drill bit Concave 3 wing bit ... Read More

PDC drill bit 1.Details Bit type Main bit size(mm) Rock coefficient PDC core drill bit Single pipe 75/54.5 94/74 113/89 113/109 153/129 1-18 Two-pipes 75/54.5 94/68 PDC center drill bit Concave 3 wing bit 60 75 ... Read More

API high efficiency TCI tricone bits for mining that customer trust Product information TCI Tricone bits (1) This series tricone bit use Journal bearing. Hardfaced head bearing surface. Cone bearing inlaid with ... Read More

2013 hotsale TCI tricone bit for oil drilling with API certification Product introduction TCI tricone bits for Oil Drilling Inserted tricon bits 1. This series tricone bit use Sealed roller bearing structure. ... Read More

1.Structure features 1) with high precision bearings with neck to slide, two way thrust bearing; Tooth palm bearing surface surfacing hard alloy and cone bearing with reduced after welding together gold silver, ... Read More

12 1/4 IADC127 steel drill bit with rubber bearing for water well drilling 1.About The Tricone Bit 1) High-strength,high flexibility,high temperature,high wear resistance. 2) High-precision metal seal. 3) ... Read More