- Unit Type: piece
- Package Weight: 15.0kg (33.07lb.)
- Package Size: 19cm x 19cm x 25cm (7.48in x 7.48in x 9.84in)
Cheap drill polish, Buy Quality drill press bits directly from China drill bit stone Suppliers: 4 3/4 IADC 637 rock roller drill bit for hard formations/ rock drill head /TCI rock bit Manufacturer
Model
TCI Tricone drill bit
IADC Code
637
Available size
4 3/4INCH
Thread Connection
2 7/8REG
Material
15CrNi4Mo
WOB(KN/MM)
0.70~1.20
RPM(r/min)
70~40
Advantage
Most favorable price and best quality
Bearing type
Sealed and non-sealed bearing
Use
Water well ,oil well and mining drilling,underground exploration
Formation
Hard formation
Nozzles
1pcs
Packing
Fumigation free wooden case
Delivery time
3-7 days
Delivery terms
By sea or by air
Payment term
T/T ,L/C, Papyl
Market
USA,Middle east,Canada,Africa,etc.
1.Features of tci bits
1.Size:2 7/8" (70.0mm)~26" (660.4mm)
2.Cover all all IADC code
3.Reliable quality and best price
4.tungsten carbide insert tricone bit
5.certified by ISO,API
6.high efficiency
2.Advantages of tci bits
1.Suitable for medium to medium hard formation of high Crushing Resistance
(hard shale,sands,etc.)
2.Bit bearing is non-sealed roller bearing.
3.Hardfacing is applied on the shirttail,and carbide inserts for gage protection
are pre