| Arbor is link between the hole saw and the drilling machine |
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| Pilot Drill made of High Speed Steel is held by aset screw in the arbor body |
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| Extension Bar is used for lengthening the reach of the drilling machine. |
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| Ejector Spring fits over pilot drill and pushes the core out of hole saw once cut is over. |
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| Arbor Adaptor fits over small arbors to allow use of hole saw up to 6"/ 152mm diameter. |
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| Set Screw locks the drill tightly in the arbor. |
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