17.5in IADC 537 TCI Rock Drill Bit for water well drilling
Quick Detail
- FOB Price : USD $10,000.00 / Piece
- Minimum order:1
- Place of Origin:China
Specifications
17.5in IADC 537 TCI Rock Drill Bit for water well drilling
MAIN STRUCTURE FEATURES
1. Metal face seal journal bearing .New processes of head bearing hardfacing and cone bearing silver plating are used to improve the load capacity, anti-galling ability and stability of the bearing .
2.Varies shapes of inserts can be equipped on this series of bits,including scoop inserts, wedge inserts, conical-spherical inserts and double spherical inserts,etc.Drilling process& formation and bit are efficient integrated by scientific insert shape selection to realize safety and high efficient drilling .
3. A row of inserts is added between gage row and heel row to trim borehole wall and protect cone shell.
|
Basical Specification
|
|
|
Size of tricone bit
|
17 1/2\" inch (444.5 mm)
|
|
Thread Connection
|
7 5/8\" API reg pin
|
|
IADC CODE
|
537G
|
|
Bearing type
|
rubber /metal o-ring journal bearing
|
|
Operating Parameters
|
|
|
WOB (Weight On Bit)
|
0.35~1.05 KN/mm (bit Dia.)
|
|
Rotary speed
|
110~40r/min / 220~40 r/min
|
|
Make up torque
|
KN.M
|
|
Formation
|
Medium formation with high compressive strength ,and high drillability ,such as mudstone,gypsum,salt,soft limestone,etc.
|
