A: Partial profile inserts don't cut the minor diameter (do not make calibration) while full profile inserts cut the minor diameter.
A: One insert covers a wide range of pitches.
A: The insert nose radius is smaller than defined in the standard. This results in a thread that is not according the standard and in shorter tool life.
A: To support the insert cutting corner, to protect the holder body in case of insert breakage and allow the adjusting of the helix angle by changing the anvil.
A: Flank infeed has a better chip control and surface finish in most raw materials and applications.
A: We recommend and use the tangential ARC method.
A: The difference between a thread form according to the standard and the actual thread form on the workpiece.
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A: You make once cycle, then move the tool in a "z" direction and machine a second cycle.