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5 5/8inch Tricone bit IADC521

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Contact name:Abby Hu

Hebei Crossing Drill Bit Manufacture Co.,LTD

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5 5/8inch Tricone bit IADC521

Country/Region	china
Categories	Other Tools

Product Details

During the drilling process, the drill pipe is connected to the three cone drill bit and a rotational force is applied to rotate the drill bit. When the drill bit rotates and enters the rock formation, the three cones on it begin to come into contact with the rock. Due to the helical arrangement of the gears on the teeth, they generate friction with the rock when rotating. This friction allows sharp gears to break rocks and cut them into small pieces.

PRODUCT SPECIFICATIONS
product name	5 5/8inch CR521 TCI tricone bit
size	143mm
model number	CR521
series	CR
tooth type	TCI
connection	3 1/2" Reg pin
bearing	standard open bearing
Nozzle	center jet nozzles
application	water well,oil well,HDD,exploration,etc
weight	16kg
certificate	SY/T5164,ISO9001:2008
RECOMMENDED ROCK FORMATION
soft with low compressive strength,such as shale,clay,sandstone,soft limestone,salt bed and hard gypsolyte,etc.
RECOMMENDED DRILLING PARAMETERS FOR APPLICATION
Type&IADC code	417	437	447	517,527	537,547	617,627	637,647	737,837
WOB(KN/mm)	0.35~0.90	0.35~0.95	0.35~1.00	0.35~1.05	0.35~1.05	0.35~1.05	0.70~1.20	0.70~1.20
RPM(r/min)	140~70	140~60	140~60	120~50	110~40	80~40	70~40	70~40

Company Profile

Crossing Bit, a leading manufacturer of PDC bits and tricone bits in northern China, has exported its high-quality drill bits to more than 30 countries, demonstrating its strong market influence and exceptional product strength.

Crossing Drilling Tools has not only established a sterling reputation in the drilling, construction, HDD (horizontal directional drilling), exploration, water well, geothermal, mining, and oil & gas industries, but has also gained widespread recognition from customers for its exceptional product reliability and quality. We are committed to developing and producing a range of high-quality tools, including tricone bits, PDC bits, tricone cutters (single rollers), PDC reamers, drag bits, and HDD hole openers, to meet the diverse needs of our customers.

Our meticulously designed PDC bits are specifically optimized for directional drilling. With exceptional stability, durability, and "directional" friendliness, they are able to precisely maintain the bit's position in narrow and complex pay zones, ensuring smooth drilling operations.

This unique steerable bit technology, combined with high ROP (rate of penetration), sets Crossing Bit apart from the competition and establishes it as a leader in the industry.