22'' 558.8mm IADC 117 Milled Tooth Tricone Bit

 Bit Size

20''(558.8mm)

 IADC Code

117

Series

HR

Tooth type

TCI/tungsten carbide insert

 Connection

7 7/8 API REG PIN

Bearing

rubber sealed bearing

 Nozzle

three jet nozzles

 Rotary Speed(rpm)

150~80

 Weight on Bit(KN/MM)

0.35~0.8

Application

water well,oil   well,HDD,exploration,etc

Formation

Very soft  formations with low compressive   strength and high drillability,such as clay,mudstone,chalk,etc.

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