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Router bit with Four Inch cutting section?

2610 Views 24 Replies 17 Participants Last post by  reuelt
Hi Folks, I'm trying to find a router bit that has a cutting length of four inches.
Something like this but the blade (red part) should be 4" long.
Prefer something made in USA but open to any suggestions.
Thanks!

ps. I just had to "trim" an existing non-load bearing wall stud by 1/4" and it was not fun.
All I could think of is how much easier it would have been if I had something like this.
Hence, the reason for my post.
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How about using an angle grinder with a rasp or coarse sanding disc?
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Hi Folks, I'm trying to find a router bit that has a cutting length of four inches.
Something like this but the blade (red part) should be 4" long.
Prefer something made in USA but open to any suggestions.
Thanks!

ps. I just had to "trim" an existing non-load bearing wall stud by 1/4" and it was not fun.
All I could think of is how much easier it would have been if I had something like this.
Hence, the reason for my post.
View attachment 402460
A curling iron? lol
Thanks folks, but I've already considered all the other tool ideas.

So, the bit I want does not exist?
Okay, thank you. No need for further responses.
What about 2 passes with a 2" bit (one on each side)?
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I know this challenge has already been solved. Reading it spurred my memory an offset bit base for a trim router I have. The base uses a belt to offset the spinning router bit out near a corner that could be close to inside corners of your wall opening. Sticking a 3/4" short straight bit in it you could set the depth to 1/8" and slowly router that surface from inside to outside. There is no depth adjustment so you would need to make a thicker base to attach below to shim out enough so only 1/8" of the bit was revealed. I have this base, but have never found a good use for it.
Long router bits do exist
But designed for CNC machine only - to cut foam, but can also cut wood
(Not recommended for freehand router or router table though)

From Amana tools website
#HSS1212
Specification
DirectionUp-Cut
(D) Diameter1/4
(B) Cutting Height4
(d) Shank1/4
Overall Length (L)6
TypeSquare End
Max RPM6,000
Flutes4

#HSS1215
Specification
DirectionUp-Cut
(D) Diameter1/2
(B) Cutting Height6
(d) Shank1/2
Overall Length (L)10
TypeSquare End
Max RPM6,000
Flutes4


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