Trying to cut metal too fast will overheat the material being cut, which 'heat-hardens' the work and causes the cutting blade to work harder and wear out more quickly. To answer your question we would need to know what size hole saw you are using. Every hole size requires a different RPM for different types of materials. IRWIN always details the optimum drill RPM on each hole saw package. Before you use your hole saw to cut iron, please refer to the manufacturer recommended RPM for the appropriate hole size.
Articles in this section
- 65601 - PCV tape IRWIN 65601
- What is the process for sending an invention or idea to someone for consideration?
- What does the 'Bi-Metal' mean when referring to a utility blade?
- IRWIN Taps & Dies information:
- When would I use a tap and die set and how would I properly use them?
- When would I use a tap and die set and how would I properly use them?
- I was trying to tap a hole in aluminum with a 1/4" tap. Half of the tap broke off in the workpiece. How do I get it out?
- How do you support or validate the "3x Durability" Claim?
- Why is there a slot in the front of the end hook?
- Why the Optic-White(TM) blade color?
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