Description: Involute Spline Hobs have straight sides teeth like a gear hob, and are usually of stub tooth depth. They are made in single or multiple thread designs. Diametral Pitches 2.5/5 to 128/256 ...

Gear cutters and hobs are tools for machining gear-tooth profiles. They are ground to produce teeth, usually of an involute form, in standard American pitches or metric modules. Specialty or custom ...

However, when forming the tooth profile of an involute gear, if the number of teeth formed is small, the approach angle of the cutting tool becomes large, and the root part of the tooth is cut ...