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PDC drill bit matrix body
8 1/2in IADC:M322(215.9mm)
IADC:M322
ID:WFN216M16607B
Design Specifications
Blade Qty 6
Total Cutters 42
Primary Cutter Size 16.25mm
Assistant Cutter Size Non
Gauge Cutter Size 13.44mm
Anti-quake ball size Non
Nozzle Qty. 6
Crown length 137.1mm
Gauge length 63.5mm
Connetion Size 4 1/2REG
Make-up Torque 16.3―21.7kN·m
Assembly groove width 145mm
Bit Weight 81kg
Operating Parameters
Rotary speed 60-260RPM
Flow rate 28-40L/S
Weigh on bit 20-100KN

PDC-drill-bit-8-1-2in-IADC-M322-215-9mmNote:Orient can design and manufacture any types and sizes of PDC bits according to customer requirements.            



1-1.pngReturn PDC matrix body series

2-2.pngReturn Leading Products


Design character:

■Back redressings at the base of gauge avoid difficult of pulling PDC bits our of hole in unconsolidated formation, and trim wall of well.

■Adopting CFD emulational technology to calculate to optimize PDC bit, then reduce possibility of heavy breaking and wearing of bit.

■Special design of back-rake angles will decrease torque on bit, increase bit aggressiveness, improve efficiency of ROP.

■the hydrofoil shape of the gauge channels hydralic fluid and cutting to the annulus. This streamlined flow deters bailing initiation caused by vortices and eddies.


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