Geological drilling tools&drag well chevron type stepped drill bit
Chevron-Type Drag Bits
Chevron-type drag bits are recommended for drilling in slightly harder and more consolidated materials than step-type drag bits, such as hard shales, limestones, and unconsolidated gravels.size 3inch upto26inch,3 wings ,4wings,5 wings
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API standard 81/2 matrix body PDC diamond drill bit | size:8 1/2"(215.9mm) body type:matrix body primary cutter size: 16mm number of nozzle :6 number of blade:6 Gauge length:2.2" connection :41/2" API ... |
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PDC hole openers/HDD ROCK Reamer | PDC reamer sizes: 10inch,12inch,14inch,16inch,18inch,20inch,22inch,24inch,26inch,28inch,30inch,PDC reamer for well drilling,horizontal directional ... |
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Rotary drilling roller cone drill bit for foundation bore pile machine | size:81/2" roller cone IADC:537 Tooth type:TCI bearing:rubber sealed journal bearing application:hole opener for horizontal directional and vertica... |
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HDD Machine One Piece Forged Drill Pipe/ Drill Rod | Buy Horizontal Directional Drill rod from Crossing Drill bit Manufacture,Horizontal directional drilling (HDD), also called “directional bori... |
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26" steel tooth roller bit/mill tooth tricone bit/oil well drill bit | 26inch(660mm) steel tooth bit ,IADC211,Open bearing,thread 7 5/8" reg pin,Hebei Crossing Bit is one of the leading manufacturer for Quality PDC bit... |
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Geological drilling tools&drag well chevron type stepped drill bit | 卖方: Hebei Crossing Drill Bit Manufacture Co Ltd | Chevron-Type Drag Bits Chevron-type drag bits are recommended for drilling in slightly harder and... |
