Beijing Feilong International Trade Co., Ltd

Detailed Product Description 1. Outside Diameter Range: 2 3/8&#*4;, 2 7/8&#*4;, 3 1/2&#*4;, 4&#*4;, 4 1/2

Main structure features 1. journal bearing. hardfaced head bearing surface. cone bearing inlaid with fricti

Detailed Product Description 1. Outside Diameter Range: 2 3/8&#*4;, 2 7/8&#*4;, 3 1/2&#*4;, 4&#*4;, 4 1/2

drag bit always used in soft soil formations. type: stepped & chevron (*- 4 wings drag bit)

Main structure features 1. journal bearing. hardfaced head bearing surface. cone bearing inlaid with fricti

single bits 1.suitable for high WOB and high rotary speed 2.various size:3 3/4&#*9;&#*9;(*5.3mm)*6 1/8&#*9;&

drag bit always used in soft soil formations. type: stepped & chevron (*- 4 wings drag bit)

Main structure features 1. journal bearing. hardfaced head bearing surface. cone bearing inlaid with fricti

Detailed Product Description 1. Outside Diameter Range: 2 3/8&#*4;, 2 7/8&#*4;, 3 1/2&#*4;, 4&#*4;, 4 1/2

1. journal bearing. hardfaced head bearing surface. cone bearing inlaid with friction reducing alloy and then

drag bit always used in soft soil formations. type: stepped & chevron (*- 4 wings drag bit)

tricone bit for mining. steel tooth series. Adopted to be used in very soft to medium soft with low compressiv

steel tooth sealed roller bearings. jet circulation rock bits 2. adapted to soft formations drilling 3. top

This series PDC bit is suitable for soft to medium soft formations. The sizes can be supplied is from 3 7/8&#

TCI bits 1.high wear resistance and excellent cutting ability of the insert bit 2.high strength and thoughne

steel tooth sealed roller bearings. jet circulation rock bits 2. adapted to soft formations drilling 3. top

single bits 1.suitable for high WOB and high rotary speed 2.various size:3 3/4&#*9;&#*9;(*5.3mm)*6 1/8&#*9;&

tricone bit for mining. steel tooth series. Adopted to be used in very soft to medium soft with low compressiv

This series PDC bit is suitable for soft to medium soft formations. The sizes can be supplied is from 3 7/8&#

PDC bit with self-sharpening ability 2.lower WOB and achieve high ROP to penetrate into formation

One of the main series in oil wells drilling, liable to obtain higher drilling rate. sizes: 3 7/8&#*4; to *6&

TCI bits 1.high wear resistance and excellent cutting ability of the insert bit 2.high strength and thoughne

steel tooth sealed roller bearings. jet circulation rock bits 2. adapted to soft formations drilling 3. top

This series PDC bit is suitable for soft to medium soft formations. The sizes can be supplied is from 3 7/8&#

PDC bit with self-sharpening ability 2.lower WOB and achieve high ROP to penetrate into formation

One of the main series in oil wells drilling, liable to obtain higher drilling rate. sizes: 3 7/8&#*4; to *6&

steel tooth sealed roller bearings. jet circulation rock bits 2. adapted to soft formations drilling 3. top

This series PDC bit is suitable for soft to medium soft formations. The sizes can be supplied is from 3 7/8&#

Specifications 1.Sealed and gage protection journal bearing 2.Tungsten carbide insert tricone bits 3.Meet st

sell 3 7/8&#*4;(*8mm) to *7 1/2&#*4;(**5mm) tricone rock bit with good quality and service. 1.journal beari

tricone bit for mining. steel tooth series. Adopted to be used in very soft to medium soft with low compressiv

TCI bits 1.high wear resistance and excellent cutting ability of the insert bit 2.high strength and thoughne

One of the main series in oil wells drilling, liable to obtain higher drilling rate. sizes: 3 7/8&#*4; to *6&

This series PDC bit is suitable for soft to medium soft formations. The sizes can be supplied is from 3 7/8&#

PDC bit with self-sharpening ability 2.lower WOB and achieve high ROP to penetrate into formation

This series PDC bit is suitable for soft to medium soft formations. The sizes can be supplied is from 3 7/8&#

PDC bit with self-sharpening ability 2.lower WOB and achieve high ROP to penetrate into formation

single bits 1.suitable for high WOB and high rotary speed 2.various size:3 3/4&#*9;&#*9;(*5.3mm)*6 1/8&#*9;&

One of the main series in oil wells drilling, liable to obtain higher drilling rate. sizes: 3 7/8&#*4; to *6&

steel tooth sealed roller bearings. jet circulation rock bits 2. adapted to soft formations drilling 3. top