What is the typical no-load speed of a high-speed drill?
Answer:
"High speed" is definitely in the eye of the beholder.
I've seen drills at 850 rpm called that, and then again, drills at 10,000 rpm called that.
Handheld 3/8" drills rarely go beyond 2,000.
Some surgical drills operate at nearly 100,000 (http://www.conmed.com/products-power-coo... Some dental drills clock in around 300,000 !
We'd need to have a rough idea of the type of drill you reference.
Dremel brand, and other similar high-speed rotary tools operate anywhere from 15,000 to 30,000 rpms (no load) depending on the model.
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I notice that the bigger the chuck size, the lower the no-load speed... 3/4in chucks max at 400 RPM, 1/2" are close to 1k and finally 3/8" drills are typically close to 2k. Seems to be related to chuck size - but have no idea why???
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