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Sharpening bimetal hole saws

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Forum topic by TopamaxSurvivor posted 11-14-2009 04:17 AM 2644 views 0 times favorited 5 replies Add to Favorites Watch
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TopamaxSurvivor

17654 posts in 3136 days


11-14-2009 04:17 AM

Topic tags/keywords: sharpening hole saw hole saws bimetal

Has anyone sharpened bimetal hole saws? What kind of and /or size grinding wheel did you use?

-- Bob in WW ~ "some old things are lovely, warm still with life ... of the forgotten men who made them." - D.H. Lawrence


5 replies so far

View lew's profile

lew

11335 posts in 3215 days


#1 posted 11-14-2009 04:42 AM

Topa,

How about using a Dremmel Tool with a thin cutting wheel.

-- Lew- Time traveler. Purveyor of the Universe's finest custom rolling pins.

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TopamaxSurvivor

17654 posts in 3136 days


#2 posted 11-14-2009 04:48 AM

I thought about that, but if i can find a suitable grinding wheel, it will be a lot more durable. I tried sharpening one with a file, but they are too hard for filing:-((

-- Bob in WW ~ "some old things are lovely, warm still with life ... of the forgotten men who made them." - D.H. Lawrence

View robscastle's profile

robscastle

3390 posts in 1664 days


#3 posted 07-22-2014 10:00 AM

I have been looking for the same equipment.
Drawn a blank so far

I tried to do it by hand using a rectangular diamond stone, it was OK but too many variations.

It was better than it was as the teeth were rounded over after me cutting a hole in a electrical meter box.

Nobody seem to stock suitable grinding wheels and a machine is out of the question because of cost alone, I could just go buy another,but it goes against the grain for me.

-- Regards Robert

View rick1955's profile

rick1955

258 posts in 891 days


#4 posted 07-22-2014 12:16 PM

My Sharpening Service charges $8 to sharpen a 5” Bimetal holesaw which originally cost me $35.

-- Working smarter with less tools is a true crafts person...

View Shawn Masterson's profile

Shawn Masterson

1297 posts in 1409 days


#5 posted 07-22-2014 12:27 PM

I have had them sharpened, but other than that I only grind them up for drilling plaster. maybe a chainsaw stone in a dremel

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