Bi-metal hole saw, diameter: 68mm / 2-11 / 16``
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The bi-metal hole saw is used to make holes in such materials as: metal, stainless steel, non-ferrous metals, aluminum, wood or plastic. Hole saws are made of high quality HSS high-speed steel. Appropriate rake angle and tooth spacing ensure effective and quick drilling. When working with a hole saw, remember to use an appropriate coolant and adjust the rotational speed to the material in which you want to make the hole.
Technical data:
- Hole saw diameter: 68 mm
- Hole saw depth: 34 mm
- Speed when drilling in steel: 125 rpm (oil cooled)
- Speed when drilling in stainless steel (INOX): 60 rpm (oil cooled)
- Speed when drilling in non-ferrous metals: 160 rpm (oil cooled)
- Speed when drilling in aluminum: 185 rpm (oil cooled)
- Speed when drilling in wood: 1800 rpm
- Speed when drilling in plastic: 1350 rpm (water-cooled)
- Type of handle: 08W002 / 08W007
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