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forstner drill bit question

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Forum topic by triw posted 05-29-2014 10:15 PM 826 views 0 times favorited 4 replies Add to Favorites Watch
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triw

36 posts in 1776 days


05-29-2014 10:15 PM

Topic tags/keywords: question drill press

Is it possible to sharpen forstner drill bits professionally or is it more economical to buy new ones? I have been using a few bits to drill through mesquite and mulberry (for peppermills) and noticed that I am not getting nice curls but more of a dust and the bit gets very hot.
Where would one send the bits to be sharpened, I saw a few youtubve videos but not sure I trust their advice. Any help would be very appreciated.


4 replies so far

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hairy

2384 posts in 3000 days


#1 posted 05-30-2014 12:31 AM

https://www.youtube.com/watch?v=oCpPICubruc

Capn Eddie does forstner bits. I trust him, but I haven’t tried it.

Are you watching your speed? The bigger the bit, the slower you want to go. Mine have the speed printed on the bit.

-- stay thirsty my friends...

View TheFridge's profile

TheFridge

5765 posts in 954 days


#2 posted 05-30-2014 12:37 AM

Forster bits are pretty to sharpen with a diamond cutting wheel on a dremel.

Just look up “sharpening service”, usually only a couple bucks apiece depending on size if you go that route. The few I know you can ship to and they’ll ship it back, prepaid of course.

Hell, at least one around me has drop off/ pick up points since the area they mainly serve is 60 miles away.

-- Shooting down the walls of heartache. Bang bang. I am. The warrior.

View Planeman40's profile

Planeman40

805 posts in 2229 days


#3 posted 05-30-2014 06:48 PM

Yep, diamond wheels on a Dremel!!! You can get ‘em at Harbor Freight. I buy them when they are on sale and stock up. They last a surprisingly long time though and you can turn them over to the opposite side when one side is dull. It is quick to do and I even do it on new bits as they usually aren’t sharp enough for me.

Planeman

-- Always remember: It is a mathematical certainty that half the people in this country are below average in intelligence!

View MrRon's profile

MrRon

3927 posts in 2711 days


#4 posted 05-30-2014 08:17 PM

If you are drilling really hard woods, you probably should be using carbide tipped fostner bits. MLCS has fostner bit sharpening kits. They always have free shippin. Great place to deal with. http://www.mlcswoodworking.com/shopsite_sc/store/html/smarthtml/pages/forsbit.htm#forstner_sharpen_anchor

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