Description
Name: 8 1/2" IADC637 tci tricone bit
NO.:SPD-637G
Product description:TCI Tooth Tricone Bit,Elastomer sealed bearing for different applications.
Sizes range: 3 7/8 to 36 and customized according to drawings or requirements.
Certification:API &ISO:9001,compliant with IADC standard.
|
Basical Parameter |
|
Bit Size |
8 1/2"(215.9MM) |
|
IADC Code |
637G |
|
Connection |
4 1/2"API reg pin |
|
Nozzle Qty |
3NZ |
|
Make up Torque(KN.m) |
16.3~21.7 |
|
Operating Parameter |
||
Rotary Speed(rpm) |
80~40 |
|
Weight on Bit(KN/MM) |
0.5~1.2 |
|
Formation |
Hard formation with high compressive strength ,such as limestone,sandstone,dolomite,hard gypsum,marble,etc. |