| 摘要 |
<p>The invention relates to a template for boring into a rigid part, comprising at least one plate (1) having one or more boring holes (11) for a boring tool to pass therethrough, the template including: one or more separate guide bushings (21) engaging with the boring holes, each boring hole being provided with a guide bushing; and a protective ring (3) which contains the plate(s) and which is to contact said part.</p> |
