6 1/4‘’ Iadc537 Three Roller Rock Bit

 Bit Size

6 1/4'' 

 IADC Code

 537

Series

HR

Tooth type

TCI/tungsten carbide insert

 Connection

 3 1/2 API REG PIN

Bearing

rubber sealed bearing

 Nozzle

 three jet nozzles

 Rotary Speed(rpm)

 120~50

 Weight on Bit(KN/MM)

0.45~1.0

Application

water well,oil   well,HDD,exploration,etc

Formation

Soft to medium formation with low compressive   strength,such as medium soft shale,medium soft limestone,medium soft   sandstone,etc.

size

IADC CODE

4 1/2’’(114.3mm)

417 437 517 537 637

4 3/4’’(120.7mm)

417 437 517 537 637

5 7/8’’(149mm)

417 437 517 537 637

6’’(152mm)

417 437 517 537 637 737

6 1/2’’(165mm)

417 437 517 537 617 627 637 737

7 1/2’’(190mm)

417 437 517 537 617 627 637 737

7 7/8’’(200mm)

417 437 517 537 617 627 637 737 837

8 1/2’’(215.9mm)

417 437 517 537 617 627 637 737 837

8 3/4’’(222.3mm)

417 437 517 537 617 627 637 737 837

9 5/8’’(244.5mm)

417 437 517 537 617 627 637 737 837

9 7/8’’(250.8mm)

417 437 517 537 617 627 637 737 837

11 5/8’’(295.3mm)

417 437 517 537 617 627 637 737 837

12 1/4’’(311.1mm)

417 437 517 537 617 627 637 737 837

14 3/4’’(374.7mm)

417 437 517 537 617 627 637 737 837

15 1/2’’(393.7mm)

417 437 517 537 617 627 637 737 837

17 1/2’’(444.5mm)

417 437 517 537 617  637

20’’(508mm)

117 217 437 517 537 637

22’’(558.8mm)

117 217 437 517 537 637

24’’(509.6mm)

117 217 437 517 537

Hejian Hengji Bit Manufacture Co.,LTD is specialized in manufacturing high quality rock bit,especially for tricone bit,PDC bit,hole opener,single cone bit and drag bit.with advanced CNC machines and R&D team and on-time delivery. We have kept our clients ahead of schedule and under budget by providing the highest quality tools at the best possible prices .

We ship to more than 40 different countries and serve industries such as Oil & Gas, water well , Construction,Mining, Horizontal Directional Drilling (HDD), Geothermal and Environmental. Our experienced staff is here to assist you with everything from choosing the right bit to shipping around the globe.

Our goal is to provide our customers with the best quality tools, accessories and service in the industry. We are supported by many years of experience, trained professionals and a full machine shop. Reduce the cost ,Speed the drilling ,Guarantee the safety is always our aim. We have been always insist on"Hengji bit,focusing on quality".

Main products

tricone bit(mill tooth and tungsten carbide insert tricone bit)

PDC bit(matrix body and steel body PDC bit)

hole opener(HDD rock reamer,barrel reamer,etc)

drag bit(step drag bit,PDC drag bit,chevron drag bit,etc)

accessories(single cone,bit breaker,nozzle ,etc)