How to use Point Drills

【英】困ったときの知恵袋詳細

Center Drills, Centering Tools Trouble Shooting

I have a surface finish problem on the drill diameter portion of Center Drills. I use them to create a center starting hole for tap drills and the drilled hole portion

Please use Point Drills for spot drilling a centering hole prior to drilling. A Point Drill creates a guide for the drill to follow. Unlike Center Drills, Point Drills do not have a drill diameter portion so they should eliminate your problem.

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