Thumbnail or fingernail bits, also known as half radius bullnose bits or convex edge, are used to soften hard edges on tables, countertops, stairs, and in almost all applications where you could use a full radius bullnose. These bits produce a very nice edge when the bead opening is smaller than the material thickness.  Carbide tipped.

WL-1090 Thumbnail Router Bit 3/8" Bead Opening, 5/8" Cutting Length, 1/4" Shank w/Bearing Woodline USA

THUMBNAIL (CONVEX EDGE) ROUTER BITS

$22.00 $103.00

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Customer Reviews

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Anonymous
Chair repair

I used this bit to reproduce the stretchers on a 1950’s vintage dining room chair set. The bit cut the cherry wonderfully. This is my first experience with Woodline. The order was at my home in a few days. I would highly recommend.

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Anonymous
Worked just fine

Worked great for big ebony splines!

A
Anonymous
Good Bit

I've routed about 70 feet of 1 inch thick doug fir board, and so far it works great. More to go.


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