Newdeli 3PCS 45 Degree Lock Miter Router Bit Set 1/2 Inch Shank for 1/2”, 3/4", 1" Cutting Height Joint Router Bits for Creating Lock Miter Joint

They worked. The blades are high quality. But there were no instructions for set up. I spent a while watching YouTube videos and cutting up scrap to practice with and got poor results on my project anyway. But here’s what I learned. 1) don’t even try to use these without first fine tuning your table and fence. Your set up needs to be perfect. 2) don’t even try to use these without substantial and copious feather boards. An auto-feeder would be ideal for longer boards but you’ll get away without it. 3. If you’re making a box or a hollow column and you have tried for hours to position the fence and blade perfectly for a perfect 45-degree bevel but it isn’t coming out exactly right, give up. It’s actually easier to have a slightly longer toungue on two sides and a slightly shorter tongue on the other two sides as long as you account for this by ripping to the correct width before doing your edges on the router table. You still end up with a perfect box and it’s actually easier to clamp up. Great product but if it’s your first time using this tool, you’ll want to do your homework first.

great cutting ability, holds its edge.

Makes nice cuts. No instructions on how to use it but after a few attempts, I figured it out.

Takes a little bit of knowledge and time to set this bit up correctly but when set up right it works very well and makes a nice joint. Recommend watching some videos on how to set up a Lock miter bit was very helpful for me.

Amazon had the very best price for these compared to anywhere else. The miter turned out perfect, and the drawers have went together quite well.

Once I figured out how to set up the bit, then it worked pretty well. However, it seems to have a lot of tear-out. I hope that’s the correct word. There is tare along the edges of the cut. So, impossible to use with plywood, even Baltic birch. I did use it with poplar and the tear out was less, but still there. 3 stars for the design, lowered for the sharpness of the blade. Also, the cut is a little complex, which increases the chance of errors in the cut. Not saying don’t buy. Just saying you may be a little disappointed.

I initially removed a star for the lack of a dimension but decided to add it back since you can work backwards from other provided dimensions to get the fence located. The fence needs offset 0.25" from center (toward the workpiece), and the height of the bit is obviously 0.75". Works well. Very tight joint.

Works beautifully but I think it would be a good idea if they included in the sale of this bit the setup gauge. Charge a few dollars more and the gauge made it simple to set up.

Llegaron en excelentes condiciones. Necesitaré hacer un update sobre la navaja / broca de router más adelante ya que le de uso. Por lo pronto se ve bien.

Excellent quality

This has worked quite well. I am making a bunch of stairway newel posts, so I am making the boxes of the posts out of hardwood. I do the 45 degree angle notches in two passes using a quarter inch thick addition to the router table fence on the first pass and then take it off for the second and final one. Two of the boards horizontal, and the other two vertical. Works quite well. I’m quite happy with the result. On the last pass, I run it through again quickly just to make sure I haven’t missed any spots. Otherwise, it won’t fit properly or not as tight. Just keep in mind that this has a half inch shank which will not fit on the smaller handheld routers which will only except quarter inch bits.

Bien fait et solide, mais conçu pour une table à toupie, j’ai une toupie sans fil 20 volts et elle manque de puissance

They work surprisingly well. Just push or feed the material at half the speed you normally would and the joint turns out great. They do dull faster than other bits I’ve got but sharpening isn’t an issue.