Home > Products > tricone bit > roller hole opener for opening the hole drilling
roller hole opener for opening the hole drilling
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Product Details
| Place of Origin | Henan, China | Brand Name | ZM | |
| Model Number | 12 1/4" -26" | Type | Core Drill Bit | |
| Material | Tungsten Carbide | Use | Well Drilling |
Product Description
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 | Quatity of cones | Min Dia of the hole | Fishing neck |
| Water hole | Total length | NW | ||
L | D | 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:
Contact Us
- Henan Zhongmei Drill Tool Co., Ltd.
- Contact nameAndy Wang Chat Now
- Phone86-371-13255921607
- AddressJindai Industrial Zone, Guancheng District, Kaifeng, Henan
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