straight drill

Prestressing Heat Treatment of High Speed Steel Straight Shant Twist Drill

高速钢直柄麻花钻预应力热处理试验研究

The field verification indicates that cutting life of straight stem twist drill treated with "LHH" tempering can be increased about 30% when compared with that by conventional three times tempering, and thus the energy and man-hour may be saved.

直柄麻花钻用DGG回火处理，其切削寿命比常规三次回火的约提高30%，且可以降低能耗。

The spring breeze flushes, a damp breeze comes out, the rich pollen breath, straight to the heart a drill.

春风习习，一阵潮湿的微风出来，那浓郁的花粉气息，直向人心里钻。

3D Modeling of Standard Straight Handle Twist Drill on UG

基于UG的标准直柄麻花钻三维实体建模

On the other hand, straight-shank drills are held in a drill chuck that is, in turn, fitted into the spindle socket in the same way as tapered shank drills.

另一方面，直柄钻头用钻头卡盘夹住，接下来钻头卡盘则象锥形钻柄钻头一样安装在主轴轴孔内。