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8 1/2" IADC637 Single Cone Roller Bit replaceable cutters for hole opener

  • 1 Piece
  • Tianjin, China
  • 500
  • L/C, T/T, D/P, Western Union, Paypal
  • Customized
  • API
  • Center Drill Bit
  • Tungsten Carbide
  • Well Drilling
  • New
Availability:
Quantity:

single roller cone bit

single roller cone bit


Bit Size Bit Type
in mm
31/2 88.9 HR537 HR637







45/8  117.5 HR117 HR115 HR537 HR637 HR737




43/4 120.7 HR117 HR115 HR537 HR637 HR737




57/8 149.2 HR217 HR537 HR547 HR637





6 152.4 HR117 HR217 HR237 HR517 HR547 HR637 HR737


61/4 158.8 HR127 HR237 HR517 HR527 HR547 HR637 HR737 HR837

61/2 165.1 HR127 HR217 HR517 HR537 HR547 HR637 HR737 HR837

63/4 171.5 HR117 HR447 HR537 HR547 HR617 HR627 HR637 HR737 HR837
71/2 190.5 HR127 HR217 HR517 HR517 HR527 HR527 HR617


77/8 200 HR177 HR437 HR517 HR527 HR537 HR547 HR547 HR617 HR627 HR637
83/8 212.7 HR217 HR527 HR537 HR617 HR627 HR637 HR737 HR837 HR617 HR627
81/2 215.9 HR117 HR127 HR137 HR217 HR247 HR437 HR447 HR517 HR527 HR537
HE547 HR617 HR627 HR637 HR737 HR837



83/4 222.3 HE116 HR437 HR517 HR537 HR627




91/2 241.3 HR117 HR127 HR417 HR437 HR517 HR527 HR537 HR547 HR617
95/8 244.5 HR117 HR127 HR137 HR217 HR437 HR517 HR527


97/8 250.8 HR117 HR127 HR137 HR217 HR417 HR437 HR517 HR527

105/8 269.9 HR127 HR217 HR437 HR517 HR547




115/8 295.3 HR117 HR127 HR137 HR217 HR147 HR517 HR537 HR547

121/4 311.2 HR117 HR127 HR137 HR417 HR437 HR517 HR527 HR537

HR547 HR617 HR627 HR637





135/8 346.1 HR117 HR127 HR235 HR437 HR517 HR527 HR537 HR637

133/4 349.3 HR437 HR517 HR537 HR617 HR627 HR637 HR737 HR117 HR217
143/4 374.7 HR117 HR127 HR137 HR517 HR527 HR537 HR547 HR617 HR637
151/2 393.7 HR127 HR217 HR517 HR527 HR537 HR547 HR617 HR637 HR737 HR837
16 406.4 HR117 HR127 HR127 HR517 HR527 HR537 HR547 HR617 HR637 HR737
171/2 444.5 HR117 HR127 HR137 HR437 HR517 HR527 HR537 HR547 HR637 HR737
18 457.2 HR117 HR217 HR237 HR437 HR517 HR527 HR537 HR547 HR637 HR737
19 482.6 HR117 HR217 HR237 HR437 HR517 HR527 HR537 HR547 HR637 HR737
20 508.0 HR117 HR217 HR237 HR437 HR517 HR527 HR537 HR547 HR637 HR737
22 558.8 HR117 HR217 HR237 HR437 HR517 HR527 HR537 HR547 HR637 HR737
24 609.6 HR117 HR217 HR237 HR437 HR517 HR527 HR537 HR547 HR637 HR737
26 914.4 HR117 HR217 HR237 HR437 HR517 HR527 HR537 HR547 HR637 HR737

  



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Hejian Hengji Bit Manufacture Co.,LTD  is specialized in researching and production of rock drilling bits since 2012, mainly includes tricone bits, PDC bits, HDD hole opener, foundation single roller cutters, drag bits and related tools with advanced CNC machines and R&D team.

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Junziguan industrial zone, hejian city, hebei province
+86-317 8114222
+86-18232837832
+86-18232837832
+86-18232837832
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