starting taper

starting taper

[′stärd·iŋ ‚tā·pər]
(design engineering)
A slight end taper on a reamer to aid in starting.
References in periodicals archive ?
Body: The body is: 1) The fluted full diameter portion of a reamer, inclusive of the chamfer, starting taper and bevel; 2) the principal supporting member for a set of reamer blades, usually including the shank.