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21 mm bit?

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Forum topic by Sawdust2012 posted 166 days ago 381 views 0 times favorited 7 replies Add to Favorites Watch
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Sawdust2012

49 posts in 295 days


166 days ago

I have a turning project that calls for a 21 mm bit. I cant seem to find one anywhere. One site has a 21.3 mm Forstner bit. Is that close enough?


7 replies so far

View mondak's profile

mondak

58 posts in 983 days


#1 posted 166 days ago

Do a search on the net for W L FULLER INC
They manufacture bits etc and will send you to one of their retail outlets.

View Texcaster's profile

Texcaster

623 posts in 256 days


#2 posted 166 days ago

19mm is also hard to find. I ground a spade bit to suit. I take a deep breath every time I have to use it.

-- Bill....... I listen very closely to the timber and then impose my will.

View Tedstor's profile

Tedstor

1369 posts in 1215 days


#3 posted 166 days ago

A 13/16” might be easier to find and would be only slightly smaller.

View HillbillyShooter's profile

HillbillyShooter

4249 posts in 875 days


#4 posted 166 days ago

Check out Woodcraft—I’ve ordered several miscellaneous metric sizes.

-- John C. -- "Firearms are second only to the Constitution in importance; they are the peoples' liberty's teeth." George Washington

View CampD's profile

CampD

1184 posts in 2069 days


#5 posted 166 days ago

The real questions you should ask yourself is; What is this bit needed for? What will be put through the hole?
Will you apply a finish? if so a 21.3 bit would work fine once a finish is applied.
Or else you could just use a 27/32 bit

-- Doug...

View PaulDoug's profile

PaulDoug

490 posts in 286 days


#6 posted 166 days ago

13/16” (0.8125) (—0.0143)
21mm (0.8268)

Info from: http://www.penventory.com/inv.pl

-- “We all die. The goal isn't to live forever; the goal is to create something that will.” - Chuck Palahniuk

View WayneC's profile

WayneC

12237 posts in 2680 days


#7 posted 166 days ago

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