• M-118-沉頭90˚鑽頭

M-118-沉頭90˚鑽頭


Sink & Step Drills For Screw Thread-90 degrees 沉頭鑽頭90˚

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

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