KEO 53512 Cobalt Steel Single-End Countersink, Uncoated (Bright) Finish, 82 Degree Point Angle, Round Shank, 5/16" Shank Diameter, 1/2" Body Diameter

I had no idea a countersink bit could be so loved and cherished. It's buttery smooth and doesn't chatter at all. This bit is shown in comparison to my old crappy fluted set on birch plywood. I'm a cross-dresser who likes to wear a lot of different outfits I'm a lifelong hole countersink convert who's now on a mission to convert all of my friends.

Helena Nielsen

| Jan 02, 2021

It cuts cleanly and smoothly, with no chattering or tearing. In every material I've tried it on, I've used both a drill press and hand held drills: Included in the woods are a variety of different types of trees. Soft pine, poplar, red oak, and walnut veneered plywood, soft pine veneered plywood, soft pine veneered plywood, soft pine veneered plywood, soft pine veneered Plastics that aren't used for anything: Metals include, but are not limited to, gold, silver, platinum, and palla Cast iron and mild steel are two of the most common materials used in construction. I don't know how well it performs in hardened steel, but I'm sticking with the KEO Countersink for now. AMAZING!.

Sofia AKHTAR

| Jan 06, 2021

br>I assumed that this tool would chamfer up to a 1/2" hole, but it did not. In fact, the tool is only 1/2" in diameter and will pass through a 1/2" hole without damaging it. br>If you want your screw heads to rest flush, this 1/2" size tool is ideal for countersinking 1/4" (or smaller) sized holes. It's made to make a tapered hole for screws with a HEAD of 1/2" or smaller. It's probably fine for chamfering or deburring holes smaller than 1/2", but it's too small to countersink the head of a 3/8 countersunk cap screw. br>(The tool body is stated to be 1/2" in the description, but that didn't make sense to me. ).

Maya Wells

| Oct 18, 2021

I bought two of these because I figured they'd get dull before I finished the project of countersinking 1/4" holes in pipe rail ties for 12 flat head screws. I used cutting oil on each hole and set my drill press to 540 rpm. I countersunk 264 holes in about 2 hours with the same bit, and it cut just as well on the last hole as it did on the first, despite the fact that the material was mild steel rather than stainless steel. For the job I had, it was an excellent tool.

Hunter Cannon

| Jul 02, 2021

In 316L SST, I needed to countersink a few holes. I don't have a mill; I only have a drill press. The multi-faceted The fluted c'sinks were clattering and clattering and clattering and clattering and clat This was a good solution. It's not perfect, but it's a good start. I'm happy with the results, especially given my simple setup and the sst's difficulty. If I need more countersinks, I will definitely look for others like this. br>br>Peter br>br>Peter br>br>Peter.

Madisyn Arnold

| Nov 24, 2021

I've worked with a lot of machine tools in my life, and this is without a doubt one of the best countersinks I've ever used. If you work with metal, you should get a whole set of these. They'll get a lot of use, and you'll appreciate how well they cut. Slowly run them to avoid burning them.

Aurelia Wilkerson

| Sep 15, 2021

With an old cordless drill, I was able to countersink 3/8" aluminum. It simply peeled off like the skin of a potato. Slow and steady is the way to go. It has a professional appearance. For the next size bolt, I had to drill out the two closest holes to you, which took about 15 seconds each.

Forest BEVAN

| Jan 10, 2021

Finally, a functional counter-sink cutter. I've tried and failed with a number of big-box cutters. This cutter does exactly what it says on the package. Larger cutters necessitate slower spindle speeds, so keep that in mind.

Kellan HEWITT

| Jun 21, 2021