bitstock

基本解釋

A pointed and threaded tool for drilling and boring that is secured in a brace, bitstock, or drill press.
鑽頭曲柄、鑽柄或鑽牀之上用於鑽孔的尖頭工具
a pointed and threaded tool for drilling and boring that is secured in a brace,bitstock,or drill press
曲柄、鑽柄或鑽牀之上用於鑽孔的尖頭工具
the cutting part of a drill; usually pointed and threaded and is replaceable in a brace or bitstock or drill press
鑽機的切割部分；通常是尖頭的有螺鏇狀圖案竝且可以更換，用在鑽柱鑽柄或鑽牀上
"a pointed and threaded tool for drilling and boring that is secured in a brace, bitstock, or drill press."
曲柄、鑽柄或鑽牀之上用於鑽孔的尖頭工具。
the cutting part of a drill; usually pointed and threaded and is replaceable in a brace or bitstock or drill press.
鑽機的切割部分；通常是尖頭的有螺鏇狀圖案竝且可以更換，用在鑽柱鑽柄或鑽牀上。