The two basic cutting tool types used in metalworking are the single-point and multi-point designs. Fundamentally, they are similar. By grouping a number of single point tools in a circular holder, ...
Figure 1 shows a spline shaft and teeth together. The teeth of a hob form a trapezia with two lines from sides under angle @. See Figure 1, which shows a spline shaft and teeth, pictured together. If ...