A lock miter router bit is not included.
Lock miter setup instructions.
Use the miter end of the set up block with the flat edge for 1 2 stock and the full 45 degree miter end of the set up block for 3 4 stock.
The two piece lock miter master jig set item 00 lmm is available now and sells for 49 90.
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This video is about using the 45 degree lock miter bit.
You need to get both the fence position and the bit height exactly right in order for this joint to work.
With the lock miter master jig you can set up a lock miter bit in no time at all.
Once it does it delivers a very strong and elegant miter joint that is virtually impossible to detect from the outside and offers the additional advantage of being self.
There are two sizes of the lock miter master jig.
Simple steps for airtight joints.
Downloadable pdf instructions and a promotional video showing proper jig setup can be found on infinity s website.
One is for smaller router bits cutting 3 8 to 3 4 thick stock the other is for the larger bits cutting 5 8 to 1 1 8 thick stock.
The set up block is.
A lock miter bit is one of the most challenging router bits to set up.
Your goal is to have a and b equal to each other.
45 lock miter router bit instructions set bit height and fence depth 1.
Align the midpoint of the lock miter cut with the centerline of the workpiece.
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They re more stable and result in smoother cuts expect to pay 50 to 100 for a bit depending on the size.
Infinity s lock miter master jigs will work with most brands of lock miter bits.
Using the set up block raise or lower the bit until the block aligns with the tongue and groove of the bit.
Set the approximate fence depth by visually.
Lock miter bits come in a range of sizes the size you use depends on the thicknesses of your wood even the smallest lock miter bit makes a substantial cut so i prefer bits with a 1 2 in.
This video is about using the 45 degree lock miter bit.
