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Home / Products / Mill Tooth Tricone Bit / Milled Steel Teeth Tricone Bits 8 1/2''
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Milled Steel Teeth Tricone Bits 8 1/2''

Tricone Bits with Steel Milled Teeth 8 1/2'' IADC127
ROSCHEN manufactures heavy duty Steel tricone drill bits to meet your customized drilling needs. We have classified the bits based on their diameter (footprint), American Petroleum Industry number and International Association of Drilling Contractor number (IADC number).

Quantity:
  • 8 1/2'' IADC127
  • ROSCHEN
  • ROS-ST-216

Product Description


Tricone Bits with Steel Milled Teeth 8 1/2'' IADC127

 Product description:

Tricone Bits with Steel Milled Teeth 8 1/2'' IADC127

Code No.

ROS-ST-216

Diameter

8 1/2''  / 216mm

Pin Type Dimensions

4 1/2''   API

Teeth Type

Steel   Milled

IADC No

127

 

Steel milled teeth Tricone drill Bits 

 

ROSCHEN manufactures heavy duty Steel tooth tricone bits to meet your customized drilling needs. We have classified the bits based on their diameter (footprint), American Petroleum Industry number and International Association of Drilling Contractor number (IADC number). The IADC number further classifies the tricone drill bits based on the tooth material of construction, suitability for drilling into soft, medium or hard rock and bearing type used. ROSCHEN offers tricone bits for all possible combinations of IADC number.

 steel teeth tricone bit

Rock formation

Bit type

Bit size

Drilling weight

Rotary speed

mm

inch

kN/mm

r/min

Very soft

Soft Marl, Clays, Sands, Salts etc.

1

187.3~346.1

7 3/8~13 5/8

441~735

120~50

soft

Clays, Soft Shale, Marl, Sands, Salts etc.

2

95.2~174.6

3 3/4-6 7/8

245-490

100-50

187.3~346.1

7 3/8-13 5/8

490-784

90-40

Medium soft

Shale, Marl, Sandstone, Soft Limestone etc.

3

95.2~174.6

3 3/4-6 7/8

245-490

80-40

187.3~311.1

7 3/8- 12 1/4

490-784

80-40

medium

Hard Shale, Limestone, Medium/Hard Sandstone etc.

4

95.2~174.6

3 3/4-6 7/8

294-539

80-60

187.3~241.3

7 3/8-9 1/2

539-833

60-40

medium hard

Hard Dolomite, Limestone, Hard Sandy, Rock etc.

5

95.2~174.6

3 3/4-6 7/8

294-539

80-60

187.3~241.3

7 3/8-9 1/2

539-833

60-40

hard

Sandy, Shale, Quartzite, Hard Dolomite, Hard Sandstone   etc.

6

95.~-174.6

3 3/4-6 7/8

294-539

80-40

187.3-215.9

7 3/8-8 1/2

580-882

60-40

Very hard

Quartzite, Chert, Basalt Granites, Pyrites etc.

7

95.2-174.6

3 3/4-6 7/8

294-539

80-40

 

ROSCHEN offers heavy duty Steel tricone drill bits to meet your customized drilling needs. We have classified the bits based on their diameter (footprint), International Association of Drilling Contractor number (IADC number) and American Petroleum Industry number (API Number). The IADC number further classifies the tricone bits based on the tooth material of construction, suitability for drilling into soft, medium or hard rock and bearing type used. ROSCHEN offers tricone bits for all possible combinations of IADC number.

 


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