12-1/4inch 8 blade the matrix pdc bit

13-1/2 inch 6blade the matrix body pdc bits

6inch 5 blade the matrix body pdc bit

china supplier 8 1/2 the tcl bit

17 1/2 the steel tooth bit for well drilling

4-5/8 inch the matrix body pdc bit

S433 the steel body pdc bit for oil and gas

9-1/2inch the steel body pdc bits

China S223 the steel body pdc bit for oil and gas

8-1/2 the steel body pdc bit for oil and gas

7-1/2" the steel body pdc bit for well drilling

api 5 blade the steel body pdc bit for oil and gas

S223 the steel body pdc bit for well drilling

the steel body pdc bit diamond core drill bits for hard rock

API 6 blade the steel body pdc bit for well drilling

12 1/4 inch the steel body pdc bits

7 1/2 inch 6 blades the steel body PDC BITS

5 blades 4 5/8 inch the matrix body PDC bits

S323 the steel body PDC BITS for oil and gas

6inch the steel tooth bits for weii drilling