Steel Milled Tooth Bits For Hard Formation

Commodity

Steel Milled Tooth Bits For Hard Formation

Brand

Kingdream/CS/Lilin

IADC Code

Covering all codes

Certification

API &ISO

Size Scale

From 3 3/4" to 26"

Application

water well,oil field,

construction,geothermal,

directionalboring,and underground foundation work

Formation

sticky, soft,

medium hard,

hard formation

Sealed type

Rubber & Metal Sealed

Cutter Shape

Incisor, DogBone ,

Ace, Chisel, Conical

Drilling Life

Standard 90 hours at least

"More Hope For YourMoney"-----Long working life and high reliability !

Inch(in)

57/8

6

61/8

61/4

77/8

83/8

81/2

83/4

91/2

95/8

93/4

97/8

121/4

133/4

Metric(mm)

149.2

152.4

155.6

158.7

200

212.7

215.9

222.2

241.3

244.5

247.3

250.8

311.1

349.2

BitType

(IADC)

437

437

437

437

447

417

417

417

417

417

417

417

417

417

517

517

517

517

517

437

437

437

437

437

437

437

437

437

537

537

537

517

517

517

517

517

517

517

517

517

617

617

547

537

537

537

537

537

537

537

537

637

637

617

617

617

617

637

637

637

APIRegular Pin (in)

3 1/2

4 1/2

6 5/8

Recommendedmake-up torque for bit shank

(KN.m)

9.50-12.2

16.30-21.70

37.93-43.30