1pc Composite drill,Pdc diamond plane knife / slicing knife / ball knife / geological drilling,Exploration core bit

1pc Composite drill,Pdc diamond plane knife / slicing knife / ball knife / geological drilling,Exploration core bit

1pc Composite drill,Pdc diamond plane knife / slicing knife / ball knife / geological drilling,Exploration core bit

1pc Composite drill,Pdc diamond plane knife / slicing knife / ball knife / geological drilling,Exploration core bit

1pc Drilling well 3 wing concave drill bit,diamond composite drill bit,pdc geological coal field exploration drill bit

Geological exploration well drilling coal field drill bit/wear-resistant core drill/Diamond composite drill bit/PDC drill bit

75mm Diamond composite chip pdc drill bit,water well drilling bit,three-wing exploration drill Bit,geological pdc core bit

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PDC geological coalfield exploration drilling three wing diamond composite drill bit

3-wing 110/130mm well drilling Diamond composite PDC geological coalfield exploration drill bit

Super-high quality 3-wing coreless composite bit,geological exploration drilling well,Water-well Rock Coalfield PDC Drill bit

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55mm Three-wing PDC Diamond Composite Chip Drill Bit Water Well Drilling Bit Exploration Geological Core Bit

55mm Diamond Composite Chip PDC Drill Bit Water Well Drilling Bit Three-wing Exploration Geological Core Bit

For 20pcs Geological oil exploration PDC well drilling super hard 1304 flat/half blade bolt bit cutter/Diamond composite cutter

65-220mm PDC Geological Coalfield Exploration Drilling Three Wing Diamond Composite Drill Bit

Factory price of 110 # Red Star Diamond Composite Slice Drill Bit PDC Geological Drilling Coalfield Exploration 228 yuan

110mm 130mm Three-wing Well Drilling Diamond Composite PDC Geological Coalfield Exploration Drill Bit

3-wing 110mm 130mm Well Drilling Diamond Composite PDC Geological Coalfield Exploration Drill Bit

Drill Bit Diamond Composite Sheet PDC Drilling Bit Three Wing Exploration Geological Non Coring Drill Bit Coal Mine Water Well

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Factory price of 110 # Red Star Diamond Composite Slice Drill Bit PDC Geological Drilling Coalfield Exploration 228 yuan

Factory price 91 # Red Star Diamond Composite Slice Drill Bit PDC Geological Drilling Coalfield Exploration 158 yuan

For 50pcs high-quality diamond composite bit drilling oil exploration superhard 1304 1308 1608 geological oil PDC cutter

3-wing 110mm 130mm Well Drilling Diamond Composite PDC Geological Coalfield Exploration Drill Bit

Factory price 91 # Red Star Diamond Composite Slice Drill Bit PDC Geological Drilling Coalfield Exploration 158 yuan

65mm-220mm PDC Geological Coalfield Exploration Drilling Three Wing Diamond Composite Drill Bit

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