| 摘要 |
A rotary cutting tool having a substantially rigid support jaw formed with an insert supporting seat having a jaw support surface and a pair of ja w abutment walls diverging from a jaw apex, a resiliently displaceable clampin g jaw having a jaw clamping surface juxtaposed with respect to the jaw support surface, said jaws defining between them an insert receiving slot; the jaw apex constituting a jaw abutment apex and being disposed adjacent a leading end o f said support jaw, a recess being formed in said body portion, diverging outwardly from said cutting portion and having side walls formed with insert apical and side abutting portions such that when said insert is supported by said insert supporting seat of the support jaw it is located in a predetermined position by respective abutment of said jaw abutment apex and walls against the insert apical and side abutting portions. |
