Bit is designed for drilling of oil and gas wells in high compressive strength, medium hard, high abrasive formations, such as limestone, dolomite, sandstone, chert, etc.

12"(304.8mm) tci tricone bit iadc637
1. Bearing type: metal sealed journal bearing
2. Quantity and diameters of nozzles: 3 or 4 pcs
3. Pin size: api 6 5/8reg
4. Bit weight net(design/actual): 95kg
5. Bit weight gross(cardboard/wooden): 105kg
6. Rotation speed: 200-40r/min
6. Wob: 0.5-1.1 kn/mm

Features:
Combined circulation(three side jets and one central jet).
Shirttail and leg entering edge hardfacing.
Shirttail protection with tci.
Enhanced teeth hardfacing.
Inserts on gage surface.
Additional gage row.





Dimension: 38*34*53 cm