12 1/4" high quality PDC dril bits for oil rig / oil drilling PDC bits

12 1/4" Hard Rock PDC Drill Bit/ Diamond Drilling Bit for Oil Field Drilling   1 Company information:   Corider, with advanced lathe equipment and CNC machining center , has its own experienced technical experts, mainly produce tricone bits and PDC , and also HDD hole openers. With large stock,  fast delivery can be made any time as your requirement.   2 Product Specifications & Photos  

Size	12 1/4 inch (311mm)
Type	1673GR
Number of blades	7
Number of Nozzles	6
Connection:	6 5/8 API reg pin

           3 Package & Shipment     4 Before and after-Service