8 1/2" Steel Body PDC Bit , Inclined Gage , Gauge Protection , Upper Drilling Cutters
FS series
Steel body PDC drill bit
* Gauge protection
Gauge cutter improves the gage wear-resistance to prolong the service life of the bit.
* Unique backrack design
Unique backrack design helps to reduce the bit torque and increase its aggressiveness.
* Heavy short gage
design is suitable for angle building and derectional drilling.
* Upper drilling
makes the PDC bit more suitable for various drilling processes to prevent sticking.
Recommended Operation Parameters | |||
Bit Size (in.) | 8 1/2 | 12 1/4 | 17 1/2 |
Hydraulic Flow Rate(L/s) | 22~32 | 38~60 | 60~91 |
Hydraulic Flow Rate(Gpm) | 350~500 | 550~850 | 950~1450 |
Rotation Speed(Rpm) | 60~350 | 60~300 | 60~300 |
WOB(KN) | 14~67 | 18~98 | 18~134 |
WOB(KLbs) | 3~15 | 4~22 | 4~30 |
Maximum WOB(KN) | 67 | 98 | 134 |
Maximum WOB(KLbs) | 15 | 22 | 30 |