12 1/4'' 311mm steel body 4 blades PDC drill bit soft formation driling
10 5/8'' 269mm 3 blades pdc steel body drill bit blast‑hole drilling tool
17 1/2'' 6 blades steel body PDC driling bit geological Drilling
15 1/2'' 6 blades PDC diamond drill bit geothermal Drilling bit
14 3/4'' 374mm 5 blades steel body PDC drill bit API stand
12 1/4''311mm 6 blades 13 cutters pdc drill bit for hard drlling
9 7/8'' 5 blades pdc water well drill bit
8 1/2'' 215mm 6 blades pdc drill bit hard rock drilling
Our main products: tricone bits, PDC bits, HDD hole opener, foundation single roller cutters,drag bit and related tools
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Junziguan Industrial Zone, Hejian City, Hebei Province
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