121/4 M1605 PDC drill bit for water and oil well drilling
size:12 1/4"(311.1mm) body type:matrix body primary cutter size: 16mm number of nozzle : 9 number of blade:5 Gauge length:2.2" connection :6 5/8" API Reg application:waterwell,oilwell,HDD,exploration,etc weight:200kg certificate: API7-1,SY/T5164,ISO9001:2008 Recommend rock formation:medium hard to hard formations with high compressive strength and abrasive,such as mudstone,limestone,anhydrite,sandstone,etc.
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