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Frequently Asked Questions

Do you have test data for the COSHH dust exposure for cutting cement board with the Diamond Hole Saws?
Diamond hole saws can be used to cut cement board. Normal safety precautions should still be taken. Test report is attached below.
dust table
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What cups can the Quick Change adapter be used on?
"Most major brands" means every hole saw manufactured according to the ASME standards will function with the Bosch Quick Change adapters.
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Will my current Bosch Power Change Mandrels work with the new products?
Yes, the current mandrels will work with the Quick Change adapters and the new Carbide Hole Saws will work with existing Quick Change mandrels.
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Is there a cross reference guide from current Bosch Power Change™ hole saws to new Bosch Bi-Metal hole saws?
Yes, ask your nearest dealer listed in Where to Buy.
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Will the Bosch Bi-Metal and Sheet Metal hole saws work with the standard mandrels I already have?
Yes, the threads on the cups for the mandrels are an industry standard and are easily attached.
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Is the spring supposed to come off the Sheet Metal hole saws?
Yes, this is for ease of installing and removal.
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What applications can the Hole Enlarger be used for?
Any hole saw application up to 6'' diameter.
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Why does the cup I just used on the Hole Enlarger seem hard to remove?
This is normal due to use – 2 pairs of pliers should easily remove the cups.
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What if I need a longer pilot bit for bi-metal or sheet-metal applications?
Bosch offers a 4'' cobalt pilot bit for any longer pilot bit application (PCPD4).
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When using the Quick Change adapter and cup, sometimes it doesn’t slide smoothly into the Quick Change mandrel. Why?
This is caused by over tightening the hex, or the lines are not properly aligned on the shaft of the adapter nut.
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