Home > Products > coal mine roof bolt & mining roof bolts > ZM 22" assembly of reamer for sale
ZM 22" assembly of reamer for sale
- 5000 Piece / Pieces per Month
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Product Details
| Place of Origin | Henan, China | Brand Name | ZM | |
| Model Number | Types | Type | Drill Bit | |
| Machine Type | Drilling Tool | Certification | Other, ISO9001 | |
| Material | Carbide | Processing Type | Forging | |
| Use | Other, vertical drilling |
Product Description
Specifications
10"- 48" holeopener, underreamer, HDD reamer is our specialized product, efficiency for horizental directional drilling
10',12",14",16",18"20",22'',24''26'',28'' holeopener, roller hole opener, HDD reamer is our specialized product, efficiency for horizental directional drilling
Product Name: Roller hole opener
size:10",12",14",16",18",20",22'',24''26'',28'',30",36" holeopener
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 |
|
Mechanical Testing
Yield strength RP0.2 N/mm2 | Tensile strength Rm N/mm2 | Elongation A% | Section Shrinkage Z % | Impact Akv J | Hardness HB 10/3000/30 |
915 | 1030 | 16.5 |
| 78 | 316 |
SIZES
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 | |||
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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