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22" Roller Hole Opener, Reamer for Core Drilling

Henan Zhongmei Drill Tool Co., Ltd.
22" Roller Hole Opener, Reamer for Core Drilling thumbnail-1
22" Roller Hole Opener, Reamer for Core Drilling thumbnail-2
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22" Roller Hole Opener, Reamer for Core Drilling photo-1
22" Roller Hole Opener, Reamer for Core Drilling photo-2
22" Roller Hole Opener, Reamer for Core Drilling photo-3
US$ 1,000 - 10,000 MOQ: 1 Set
Key Specifications
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Place of Origin:
Henan, China
Brand Name:
ZM
Model Number:
12 1/4" -26"
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Payment & Shipping
Payment Methods:
Port of Shipment:
shanghai qingdao tinajin
Delivery Detail:
Delivery time depends on order quantity.

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Place of Origin Henan, China
Brand Name ZM
Model Number 12 1/4" -26"
Type Core Drill Bit
Material Tungsten Carbide
Use Well Drilling

The following is the raw material of the holeopener

1 the material of the body:

Material: 4145H

Chemical Analysis &Physical

C

Cr

Mo

Si

Mn

P

S

Ni

0.45

1.10

0.26

0.20

1.10

0.017

0.006

 

 2 cones specifications:

Dia of the hole 
mm(inch)

Quatity of cones

Min Dia of the hole 
mm(inch)

Fishing neck


API

Water hole
mm(inch)

Total length
mm(inch)

NW
(kg) approx.

L
mm(inch)

D
mm(inch)

Upper Thread

Down thread

 

 

 

311(12-1/4)

3

246(8-1/2)

457.2(18)

203(8)

6-5/8REG

4-1/2REG

38.1(1-1/2)

1524(60)

360

444.5(17-1/2)

3

266.7(10-1/2)

457.2(18)

241.3(9-1/2)

7-5/8H90

7-5/8REG

57.2(2-1/4)

1752(69)

550

660.4(26)

3

444.5(17-1/2)

457.2(18)

241.3(9-1/2)

7-5/8REG

7-5/8REG

76.2(3)

1753(69)

900

914.4(36)

 

609.6(24)

609.6(24)

241.3(9-1/2)

7-5/8REG

7-5/8REG

76.2(3)

1905(75)

1000

914.4(36)

4

457.2(18)

457.2(18)

254(10)

7-5/8REG

7-5/8REG

88.9(3-1/2)

2642(104)

1540

 3 photos:

22" roller hole opener, reamer for core drilling22" roller hole opener, reamer for core drilling22" roller hole opener, reamer for core drilling

 

 

 

 

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Henan Zhongmei Drill Tool Co., Ltd.
Business Type
Manufacturer, Trading Company
Year Established
2007
Factory Size
5,000-10,000 square meters
Total Employees
101 - 200 People
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