PDC drag bit

PDC drill bit is super hard material combined with diamond a...

PDC 140mm 3 wings drag bit

Application:Mining/Quarrying/Tunneling/Blasting...

PDC Diamond Head Drill Bit

High Quality PDC Bit for sale,PDC Diamond Head Drill Bit Dra...

3 wings step drag bit 6 in

3 wings step drag bit 6 inch drilling drag bit for soft form...

Water Well Drilling Tools

Water Well Drilling Tools Carbide Insert 3 Blades Wings Drag...

10 inch drilling step drag

10 inch drilling step drag bit for water well drilling...

5 inch high quality step d

5 inch high quality step drag bit 127mm...

PDC drag bit PDC drill bit

PDC drag bit PDC drill bit 3 wing 4 wing 5 wing drag bit...

200mm drag type pdc drill

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pdc drilling drag bit

pdc drilling drag bit...

140mm 3 wings drag bit scr

140mm 3 wings drag bit scraper bit,A drag bit is a series of...

93mm 112mm 132mm frozen e

93mm 112mm 132mm frozen earth bits drag bits scraper Drill ...