This paper mainly analyses the properties of spiral fluted taps and studies how to select geometric parameters of the tap M36 in design.

本文主要对螺旋槽丝锥的特性及M36螺旋槽丝锥设计中几何参数的研究进行论述。

youdao

If a gun tap or spiral fluted tap cannot be used, a three fluted tap which permits extra chip space, is recommended.

如果螺尖丝锥或者螺旋槽丝锥不能被使用，推荐使用具有较大排屑槽的三槽丝锥。

youdao

As you keep getting more new business (hopefully faster than the old regulars taper off and stop coming), you can tap your rate up again: it's an upward spiral.

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