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IADC code

IADC637

Bit size

 6 (in)   152.4(mm)

Tooth type

spherical shape tooth

Thread connections

According to API Spec7-1 standard

Coon Pin

3 1/2 API. REG

 Material

Tungsten carbide, inlaid friction-reducing alloy

Rotation speed

80-40 r/min

WOB

0.5~1.2 KN/mm

Bearing

Elastomer sealed (rubber sealed) journal bearing

Industrial standard of China

SY/T5217-2000

Quality management system

ISO 9001-2008

60mm,65mm,76mm,93mm,95mm,98mm(3 7/8”),101.6mm,114mm,118mm,120mm,127mm(5”)

130.1mm(5 1/8”),133.3mm(5 1/4”),139.7mm(5 1/2”),142.8mm(5 5/8”),149.2mm(5 7/8”)

152.4mm(6”),155.5mm(6 1/8”),158.7mm(6 1/4”),161.9mm(6 3/8”),165.1mm(6 1/2”)

190.5mm(7 1/2”),193.6mm(7 5/8”),200.0mm(7 7/8”)

212.7mm(8 3/8”),215.9mm(8 1/2”),222.2mm8 3/4”)                                                                                                         

241.3(9 1/2”),244.4(9 5/8”),250.8(9 7/8”)

269.8(10 5/8”),295.3(11 5/8”)

311.1(12 1/4”),346.0 (13 5/8”),349.2(13 3/4”)

374.6(14 3/4”)

381(15”),393.7(15 1/2”),406.4(16”)

444.5(17 1/2”),508(20”),558(22”),609.6(24”)

660.4(26”)

Steel tooth

(IADC)

111, 121,131

117,124,126,127,136,137                                                                                                                                  

211,311

216,217, 227

TCI

(IADC)

415,435, 417,437

515,525,535,545, 517,527,537,547

615,625,635,,617,627,637,737

512,522,532,612,622,632,732