A.#3 B.#110 C.#500 D.#1000
A.中心鉆、Ф10鉆頭、Ф12鉆頭 B.中心鉆、Ф11.O鉆頭、Ф12立銑刀 C.中心鉆、Ф11.8鉆頭、Ф12鉸刀 D.中心鉆、Ф12鉆頭、Ф12鏜刀
A.6.2mm B.0.2mm C.3.2mm D.6mm