Spiral Flush-Trim Router Bits，Solid Carbide Flush Trim Router Bit 1/4-Inch Shank Spiral Flush Trim Up Cut from TACKPRO (1/4 Shank Up-Cut)

The bearings disintegrated very first time using it, almost hurting me. I don’t recommend at all

I had two of em and they broke very easily

Does a good job of clearing debris while cutting. I used it with a cordless trim router. Unfortunately the two I bought the bearing fell of the first day using it.

These bits are very nice and work perfectly. I like.

WORKS GREAT with my dewalt drill. Easily cut through drywall and 1/2 inch plywood. By far a great investment. Used for 2 days straigh and bit is still sharp. Cuts are clean and concise.

Cut very clean and without a lot of drag on the router motor...this is partially due to the small diameter, but also a sign of good design and sharp cutting edges.

I broke the first bit that was sent to me, but its because I didnt understand exactly what part of the bit could actually cut. At the top of the bit (the end that connects to the router), its solid cylindrical metal until you get to the point where the spiral groove starts to be cut into the shaft. That area cannot cut through the wood. Its not until you get a little further toward the bearing end that you get to the actually cutting area of the bit. I didnt realize this and was trying to cut plywood partially with that non-cutting area. It took a lot of force and ultimately the bit broke. Now that I understand, my replacement bit is working great. Ive seen a couple people complain about breaking bits, and I have to wonder if they did the same thing I did. Prior to this bit, I was using a 1/2 straight bit. It did the job, but it was a lot more work pushing it through, and the resulting cut was kind of rough. Needed a good deal of sanding. With this spiral bit, the cut is smooth as glass.

Definitely one of my favorite bits. Such a clean finish!

Ive owned 4 or 5 routers and done quite a bit of work with them over the years (albeit not in a commercial or professional setting). Ive never seen a bit do this. I was cutting through soft cedar, moving reasonably slowly and SNAP! Scared the chocolate out of me. I see that most other buyers have given this product a good review, so its very possible that I just got a lemon. But this is my first experience with this brand of bits and it will certainly be my last. I would go with something more reputable. Your safety is not worth $15 in savings.

Purchased 2 bits to router out Corn Holes. The first bit didnt even make a full circle and snapped in 2 pieces. The 2nd bit made the first hole, and I started the 2nd hole and it snapped. These are complete garbage, their durability is complete junk.