from The Century Dictionary and Cyclopedia
- n. The property of being conical.
Sorry, no etymologies found.
The calculation of the diameter of the drill is to be derived from the conicity:
Empirical values for the preliminary fitting-in of taper pins of a conicity of 1: 50
It consists of a long, conical cutting portion of a certain conicity (for instance 1: 50); the shank is equipped with a square so that it can be received by a tap wrench.