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4-1/4" Tricone Inserted Tooth Drill Bits/tricone Button Tooth Drill Bits

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Negotiable MOQ: 1 Piece (Price negotiable depending on order volume and customization)
Key Specifications
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Place of Origin:
China
Brand Name:
Senwell
Type:
Other, Roller bits
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Shaanxi Senwell Import & Export Co., Ltd.
Payment & Shipping
Payment Methods:
Port of Shipment:
China main ports
Delivery Detail:
Delivery time depends on order quantity.

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Place of Origin China
Brand Name Senwell
Type Other, Roller bits
Material Tungsten Carbide
Use Well Drilling

Specifications

Standard: API Spec 7-1
Type: Steel tooth bit;Tungsten carbide tooth bit

   There are rich and diverse roller bits to meet different requirements of formations and rotary speeds. The sizes of the gage diameter and the types of bit are strictly designed in accordance with the standards API Spec.7.
   There are not only rubber sealed bearing bits but also metal face sealed bearing bits, and all bits are lubricated by new type of wear resistant grease that can sustain high temperature up to 250°C.
   The surfaces of main or key parts are hardfaced and treated with friction reducing technology. They can enhance gage protection and prolong the life of bit.
   Center nozzle is equipped for bits of larger sizes.

 

Technical specifications and parameters for Roller Bit (Tricone Bit)

Size

IADC Code

API Regular Pin (in)

in

mm

3 7/8

98.43

126,617

 

4 1/4

107.9

131,321

2 3/8

4 5/8

117.5

121,241,527

2 7/8

4 3/4

120.6

241

5 5/8

142.9

121,241,321,537

3 1/2

5 7/8

149.2

241,321,517,537,547,617,637

6

152.4

211,216,246,437,517,527,537,547,617,637

6 1/8

155.6

117,211,437,517

6 1/4

158.7

121,241,321,517,527,537,547,637

6 1/2

165.1

517

6 3/4

171.4

121,241,321

7 1/2

190.5

121,124,134,217,244,517,527,547,617

4 1/2

7 7/8

200

121,124,131,134,241,321,517,527,547,617

8 3/8

212.7

215,217,517,527,537,547,617,637

8 1/2

215.9

114,116,117,121,124,126,127,131,134,137,211,216,217 241,247,321,437,447,517,527,537,547,617,637,837

8 3/4

222.2

127,417,437,447,517,537,617

9 1/2

241.3

117,124,125,127,437,517,527,537,617,637

6 5/8

9 5/8

244.5

114,121,124,131,134,437,517,527

9 7/8

250.8

115,121,211,241,321,512,542,612,732

10

254

126

10 5/8

269.9

127,217,417,517,527

11 5/8

295.3

117,127,137,217,417,517,537,547

12

304.8

124,126,216,517,537,547,617

12 1/8

308

547

12 1/4

311.1

114,115,116,117,121,124,126,131,134,137,211,214,244,437,517,527,537,547,617,637

13 5/8

346.1

114,115,121,124,437,515,517

13 3/4

349.2

114,115,437,517

14 3/4

374.6

136,127,517,527

7 5/8

15

381

121,124,241,244

15 1/2

393.7

125,215,217,517,537

16

406.4

115,215,515,535,545

17 1/2

444.5

435,515,437,517,527,537,547

18

457.2

547

18 1/2

469.9

547

19 1/4

489

115,225

20

508

125,215,515,525

22

558.8

124

24

609.6

124

26

660.4

114,124,134,525

36

914.4

124

 

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Shaanxi Senwell Import & Export Co., Ltd.
Business Type
Trading Company
Year Established
2010
Factory Size
Below 1,000 square meters
Total Employees
11 - 50 People
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