API TCI button bit IADC537 9 7/8"(250mm) for hard rock well drilling
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API TCI button bit IADC537 9 7/8"(250mm) for hard rock well drilling

Our factory produces the high-quality API TCI button bit IADC537 for hard rock well drilling. Trust us for reliable and efficient drilling equipment.

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  • API TCI button bit IADC537 9 7/8"(250mm) for hard rock well drilling
  • API TCI button bit IADC537 9 7/8"(250mm) for hard rock well drilling
  • API TCI button bit IADC537 9 7/8"(250mm) for hard rock well drilling
  • API TCI button bit IADC537 9 7/8"(250mm) for hard rock well drilling
  • API TCI button bit IADC537 9 7/8"(250mm) for hard rock well drilling
  • API TCI button bit IADC537 9 7/8"(250mm) for hard rock well drilling
  • API TCI button bit IADC537 9 7/8"(250mm) for hard rock well drilling
  • API TCI button bit IADC537 9 7/8"(250mm) for hard rock well drilling
  • API TCI button bit IADC537 9 7/8"(250mm) for hard rock well drilling

PRODUCTS DETAILS

Tender of API TCI drilling bits in the stock from China factory We try our best to improve the quality of drill bits. 1)Gauge Protection Special inserts are strategically arranged on head to effectively reduce head wear in abrasive formation and directional and horizontal wells and extend bit life. 2)Cooling system The nozzles is very important part in the life of a bit, bit hydraulics are controlled through these nozzles,it is also heat treatment for more strength and stability. 3)Extremely high quality tungsten carbide High effectively cutting ability and strong anti-breaking ability, which can increase ROP and improve service life of bit effectively

Basical Specification

Size of Rock Bit

9 7/8 inches

250.8mm

Bit Type

TCI Tricone Bit

Thread Connection

6 5/8 API REG PIN

IADC Code

IADC 537G

Bearing Type

Journal Sealed Bearing with Gauge Protection

Bearing Seal

Elastomer or Rubber/ Metal

Heel Protection

Available

Shirttail Protection

Available

Circulation Type

Mud Circulation

Drilling Condition

Rotary drilling,high temp drilling,deep drilling,motor drilling

Nozzles

Three Nozzles

Operating Parameters

WOB (Weight On Bit)

56,175-25,391 lbs

113-250KN

RPM(r/min)

50~220

Formation

Medium formation with low compressive strength,such as medium,soft shale,medium soft limestone,medium soft limestone,medium soft sandstone, medium formation with harder and abrasive interbeds,etc.

table
9 7/8" is 250mm in diameter, the thread connection is 6 5/8 reg pin according to API specification. IADC537 means that tricone roller bit is suitable for drilling medium hardness rocks like limestone, shale, gypsum, etc. The bearing is elastomer sealed to increase working life. Tungsten carbide inserts(TCI) is very hard alloy to drilling hard rocks, the heel of cones and arm-back are full inserted with Tungsten Carbide teeth. It is a common size in mining field, to drill blast hole. In mining drilling, first number for IADC code are usually 6,7,8,and the third number are usually 2 and 5. According to IADC specifications for tricone bit,"2" means standard open bearing roller bit,and "5" means sealed roller bearing bit with gauge protection. In some countries, 9 7/8"(250.8mm) is often used to drill water well and geothermal well. Drill rig is circulated by mud fluid,instead of compressing air. Therefore, for different applications, we should choose the right tricone roller bits.

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