What is this feature called?

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Forum topic by jmeter posted 08-15-2016 09:04 PM 399 views 0 times favorited 4 replies Add to Favorites Watch
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11 posts in 504 days

08-15-2016 09:04 PM

I’m trying to find out what this feature is called. It has an undercut to allow you to hang it on a screw.

I assume this is CNCed, but want to know what kind of bit is used to create it.


4 replies so far

View MrUnix's profile (online now)


4028 posts in 1619 days

#1 posted 08-15-2016 09:12 PM

Keyhole router bit:


-- Brad in FL - To be old and wise, you must first be young and stupid

View jmeter's profile


11 posts in 504 days

#2 posted 08-15-2016 09:15 PM

Perfect, thanks!

View HerbC's profile (online now)


1568 posts in 2279 days

#3 posted 08-16-2016 02:28 AM

Hint, use small diameter straight router bit (same diameter as smaller diameter on keyhole bit) to remove as much as possible first, then use keyhole bit to clean up and provide final shape.

-- Herb, Florida - Here's why I close most messages with "Be Careful!"

View nightguy's profile


213 posts in 82 days

#4 posted 08-16-2016 02:50 AM

cut the slot with a straight line bit first, then the key way bit, they dont take a lot of strain on them.

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