扳手钻夹头

GB/T6087-1993扳手钻夹头

Key type drill chuck

扳手钻夹头是广泛用于各工矿企业，装修行业的钻头夹紧装置。

Key type drill chuck , which is widely used in various minal and fixing enterprises , is a kind of drilltightening device .

螺纹联接扳手钻夹头

Drill chuck with thread adapter

运用价值工程原理降低扳手钻夹头材料成本的探讨

An Approach to the Cost Reduction of the Materials of the Key Type Drill Chuck by Using the Theory of Value Engineering