Which electric drill turns at 20,000 to 30,000 RPM? Are you sure that drilling glass should be done at such speeds?
Md Ariful Islam
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Dr. Md Rushad Rahman
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There are many drill types on the market, and all show the RPM on the silver tag. Low RPM is geared toward heavy-duty slow rotation, such as thick mixes. Others are geared to rotate at high speeds for the drill bit to cut, such as glass. What is important when using any drill is to maintain a strong grip and control, and using a drill with VRS gives you speed control as well. If using for arts and crafts, I suggest using a very short drill that won't break at high speeds.
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