| 摘要 |
<p>A rotary tool (10) for coupling with a rotary tool accessory (100) includes a motor (24) and a power shaft (34) operably coupled with the motor (24). A collet (104) is operably coupled to the power shaft (34), the collet (104) including a longitudinally extending inner surface portion (120). A nickel based bonding material (140) is affixed to the longitudinally extending inner surface portion (120). A plurality of abrasive particles (142) extend outwardly of the bonding material (140) on the longitudinally extending inner surface portion (120), wherein generally between about 30 percent and about 55 percent of each abrasive particle (142) of the plurality of abrasive particles (142) extends outwardly of the nickel based bonding material (140).</p> |
