利用沉头孔通孔二次定位加工沉头孔盲孔的方法，可提高批量较大、精度要求较低的沉头孔加工效率，节约企业的加工成本。
This paper discussed a method of counterbore machining by using though-hole orientation to improve the efficiency of lower exact counterbore volume-produce and reduce the cost of corporation.
盲孔或通孔的属化制程也是直接用电镀的方式完成。
The matellization process of blind via or though hole is also achieved by means of copper electroplating.
公司现在的铆螺母产品种类非常齐全，包括圆柱体，六角体，通孔，盲孔，以及碳钢，不锈钢，铜等近400款产品。
We have rivet nuts of more than 400 kinds, including cylinder, hexagon, open end, close end, carbon steel, stainless steel, copper, etc.
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