F.y.i. Here are some drill & tap reference charts: http://www.gfii.com/content/technical.asp
Z zable9 Well-known member Joined Dec 4, 2014 Messages 78 Location Greater Seattle area Jun 6, 2015 #1 F.y.i. Here are some drill & tap reference charts: http://www.gfii.com/content/technical.asp
OP Z zable9 Well-known member Joined Dec 4, 2014 Messages 78 Location Greater Seattle area Jun 6, 2015 #2 Forgot to include this link too: https://www.fnal.gov/pub/takefive/pdfs/Drill_Press_Speed_Chart.pdf
R rslaback Well-known member Joined Jul 24, 2010 Messages 4,078 Location Westcentral Wisconsin Jun 6, 2015 #3 I use this.
