"Joe AutoDrill" wrote in message
...
I run pretty conservative numbers to make sure my customers have
reliability and efficiency.

Generally, I run taps at 1/3 the drilling RPM and plan on needing 200% of
the HP requirement for drilling. ...Cut tap, HSS.

I use the following chart to estimate those numbers:

http://tinyurl.com/ToolSpeeds
or
http://www.multi-drill.com/drill-speed-chart.htm


Thanks, Joe. You those are going in the binder I keep out in the shop.











Regards,
Joe Agro, Jr.
(800) 871-5022
01.908.542.0244
Automatic / Pneumatic Drills: http://www.AutoDrill.com
Multiple Spindle Drills: http://www.Multi-Drill.com
Production Tapping: http://Production-Tapping-Equipment.com/
Flagship Site: http://www.Drill-N-Tap.com
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V8013-R