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7 1/2 Inch Roller Cone Drill Bits IADC515 rubber sealed

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Hebei Crossing Drill Bit Manufacture Co.,LTD

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7 1/2 Inch Roller Cone Drill Bits IADC515 rubber sealed

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Certification :	ISO9001
Price :	Negotiable
Payment Terms :	T/T
Supply Ability :	50000PCS/Month
Delivery Time :	5-15work days

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Product Details
Company Profile

7 1/2 Inch Roller Cone Drill Bits IADC515 rubber sealed

When using a three cone drill bit, it is necessary to follow the standard operating procedures. For example, it is necessary to choose the appropriate rotational speed to ensure the effectiveness and safety of drilling. For different materials, there are different optimal speed ranges, and the best effect can be achieved by adjusting the speed of electric tools. During the drilling process, appropriate pressure needs to be applied to maintain stability. Excessive pressure may cause the drilling process to be slow or even stuck, while insufficient pressure may affect the effectiveness of drilling.

PRODUCT SPECIFICATIONS
product name	7 1/2 inch CR515 TCI tricone bit
size	190.5mm
model number	CR515
series	CR
tooth type	TCI
connection	4 1/2"Reg pin
bearing	rubber sealed roller bearing
Nozzle	three jet nozzles
application	water well,oil well,HDD,exploration,etc
weight	45kg
certificate	SY/T5164,ISO9001:2008
RECOMMENDED ROCK FORMATION
soft with low compressive and high drillability,such as shale,clay,sandstone and soft limestone,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.

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