．為了保護鑽軸壽命之長久及中心距離之準確度
　預鑽之工作物須加用襯套並密著於工作物上。
　Please use guide sleeve to protect the bit or tap and
　avoid the bit or tap slip during the work.
　規格
 
 
 
 
 
．更換鑽頭時請用梅花板手切勿用雙口板手替之
　Please use Boxer wrencher to open the flexible
　collet, the open wrencher is not acceptable.
　規格