165mm rotary center drill bit, roller cone bit, oil well drill bit

Name: 165mm rotary center drill bit, roller cone bit, oil well drill bit
Brand: Urumqi Siruite Mechanical Equipment Co., Ltd.
Rating: 4.6 (44 reviews)

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Model No. :	165mm
Brand Name :	JZ/kingdream

9yrs

Urumqi, Xinjiang, China

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Urumqi Siruite Mechanical Equipment Co., Ltd.

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Product description

Cobra 165mm rotary center drill bit

Specifications: Size: 6.5" Diameter:165mm Connection: 3 1/2"api reg IADC CODE: 517 Jet Nozzels: 3 outer nozzles Material: tungsten carbide N/W, G/W : 16/18 kg Bit pressure:0.50-1.05KN/mm Rotary speed: 120-50rmp/min
Drilling formation: medium formation
Drilling time: over 300 hours Siruite Company Info: New TCI Sealed Journal Bearing Tricones Floating bushings provide excellent durability and wear resistance. The bushing is made out of special mate- rial that is highly resistant to heat and surface damage. TCI bits maximize the use of both conical and chisel tungsten carbide inserts, for soft to hard formations. Shown: 12 1/4" RMB CD 517. New Steel Tooth Tricones Milled Tooth bits are available for all formations, and in all sizes. Tooth spacing and length vary depending on application.

Tricone bit sizes and IADC code drill bit sizes range from 3" to 26"--Mass stock 1.Tricone bit 2.PDC bit 3.Core bit

Item	TCI Tricone Bit, Steel Tooth Bit
IADC CODE	116 117 126 127 136 137 216 217 226 316 317 326 327 336 337 115 125 135 215 225 235 315 325 335 114 124 214 314 111 121 131 346 347
IADC CODE	417 427 437 517 527 537 617 627 637 737 837 832 415 425 435 445 525 625 635 416 427 436 446 447 516 526 537 547 516 536 535
available sizes	From 3 7/8” to 26” larger sizes for hole opener bit ,reamer bit
advantage	The most advanced production lines in China of rock bits (factory price); world famous brands agent
bearing type	sealed bearing and non-sealed bearing metal sealed journal bearing) rubber sealed journal bearing Air cooled bearing type
Formation or layer	soft ,medium soft ,hard, medium hard, very hard formation
Button size (extra features)	Button bit,saw teeth 1) Y-Conical teeth 2) X-chisel teeth 3)K- wide teeth 4)G- Gauge protection
Material	tungstencarbideinsert,Carbonsteel
Packing	Wooden case or steel case
Payment term	T/T,L/C ,Western Union,Paypal
Delivery term	By sea or by air
Delivery time	2 days(stock), 30 days(production)
Market	South Europe,South Korea, Japan, Singapore ,Saudi Arabic,Dubai,USA, Middle east ,Africa, Europe,Central Asia,Russian
Application	Petroleum & gas ,water well ,mining ,oil field, construction, geothermal, directional boring, and underground foundation work

Tricone bit IADC CODE for kinds of formations

IADC CODE	Applicable Formations	Recommended Drilling Parameters
IADC CODE	Applicable Formations	WOB (kn/mm) (bit dia)	Speed r/mm
117	soft formation with low compressive strength and high drillability,such as softshale,clay,salt,etc	0.30-0.90	200~80
127,121	soft formation with low compressive strength and high drillability,such as softshale,clay,salt,soft limestone ,etc.	0.30-0.90	190~80
137,131	soft to medium soft formation or a hard interlayer with low compressive strength,such as anhydrite,soft limestone,sandstone,etc	0.25~0.70	150~80
217,227,211	medium hard formation ,thick hard interlayer with High compressive strength,such as Hard shale,Limestone,sandstone,dolostone,etc	0.35~1.05	150~60
437,447	soft formation with low compressive strength and high drillability,such as softshale,clay,salt,soft limestone ,etc.	0.35~1.00	180~70
517,527,515	soft formation with low compressive strength and high drillability,such as shale,clay,sandstone, limestone ,etc.	0.20~0.80	300~80
537,547	medium soft formation,hard abrasive layers with Low compressive strength,such as hard Shale, anhdrite, Soft limestone, sandstone, Laminated dolostone etc.	0.35~0.80	280~80
617,637	medium hard and hard abrasive formation with high compressive strength,such as limestone,dolostone,sandstone,firestone,etc.	0.70~1.20	220~40

Package and transportation wooden case or plywood case by air by sea by train by truck

Welcome to inquiry. pls attach details below: 1. Size(diameter) 2.IADC code 3.Drilling formation 4.used or new condition Whether it is a single piece or a container load delivered to the next county or a far continent, we have the product, capability, experience, and expertise to get the job done.