M-118-沉頭90˚鑽頭
型號 :
M-118
沉頭鑽頭90˚- 90度 - 台灣蘇氏SU'S 鑽頭
Sink & Step Drills For Screw Thread-90 degrees
原需兩次加工作業，縮為一次完成，同心度佳。
‧
依據一般螺絲及六角螺絲專用之錐形孔作業而設計的鑽頭。
‧
l Specially designed drills that are suitable for drilling cone holes for general screws and hexagonal head screws.
l Allow for two machining processes accomplished by one process, and provide superior concentricity
