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Zhejiang Yinqiu Machinery Co.,Ltd
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Price: | 7.0 USD |
Payment Terms: | T/T,Paypal |
Place of Origin: | Zhejiang, China (Mainland) |
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SPECIFICATION | ||
1 | Model No | ER20-UP |
2 | Material | SUJ2 |
3 | Hardness | 44°-48° |
4 | Surface Roughness | RZ2.5 |
5 | Precision | ≤0.005mm |
6 | Heat Treatment | Vaccum Heat |
7 | Available service | OEM,ODM |
8 | Certification | ISO9001:2008 |
·The concentricity is totally examined according to DIN norm.There are two classes of precision :general A class 0.01mm and UP class 0.005mm
·It is used for the cutting tools like drills,taps ,mills and reamers ,etc.
·The internal hole is manufactured by precise honing
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