There’s also Yonico which has an interesting range of pretty decent cutters like these Amazon.com which I’ve used and been happy with. (Avoid their dovetail cutters, the angle on the box is some sort of unfunny joke).

Have you tried using the flat back of a marking knife to cut the fuzzies down after the cut? It’s a quick and simple post-processing action for when the material and cutter conspire against you.

Why won t screw go all the way into wall

Perfect, a variety pack that’s inexpensive! However, I really wanted downcut bits with the thinking that they will have better results in eliminating the burrs. Does anyone have experience of using both downcut and straight flute? Wondering if the results will be the same, or if downcut will produce a little better results?

Ah, now that I’m not sure about. I was suggesting that you want a flat-faced cutter to make a clean job of the bottom of the cut. As your cut is so shallow there won’t be much in the way of chip being rammed down under the cutter to mess things up, especially if you run a roughing and then light finishing pass to take the last bit of depth out.

Fwiw I’m drilling about one foot from the ceiling. I’ve tried this at multiple points in my room, and the drill still won’t go through. What could be behind the paint and plaster?

How todrillhole inwoodfor screw

I am looking for sizes of 1/32, 1/16, 1/8, and 1/4" (Metric equivalents are fine, ex. 1.5mm for 1/16") Also do not want single flute, preferably 2-flute.

Pretty sure @LiamN will be able to chime in. I can’t find his most relevant posts on the matter right now but I remember his mentioning a straight cutter and what kind of finish he got in plywood with them

A likely possibility you have to be aware of before you up the drilling stakes - you are hitting a steel protective plate that is specifically intended to warn you off of drilling a hole right there, because there are wires or pipes too close to the edge of the stud which you might drill or screw through, causing a larger problem.

Drill bit not going throughstud

That’s not a bad idea… I’ve heard that before and have actually done that with plywood on a tablesaw, but for some reason it didn’t cross my mind right now I use blue painters tape to hold stock down, but that really gums up the bit when it cuts into it. Any suggestions on something to put over the surface to prevent tearout, that won’t gum up the bit?

I suppose you’re right that the finish of the face will be better with the straight flute than downcut. I may get that pack for the smaller bits, then a downcut or compression for the 1/4" size, so when I want to make sure the walls have a nice surface finish, that will do the job. I just don’t want to start getting chatter from the straight flutes.

Why is mydrill not going throughconcrete

So, doing some searching, I found these on Amazon: https://www.amazon.com/HOZLY-Straight-Milling-Cutting-Tungsten/dp/B07YC8XHCL?ref_=ast_sto_dp

For everything but roadspeed and height in feet and inches, I’m British and units-confused, Julien probably measures everything in rational units

So I just recently had a project where I was cutting .050" deep with a .06" upcut bit. I have been slightly cheap/stubborn in not getting more bits that are downcut (I have already spent a bunch of various size bits, all upcut). Well, this project made me frustrated enough with having the burrs around the whole edge that I decided I’m getting more bits to get proper results…

Why is mydrill not going throughwall

I usually try to avoid using different bits as much as I can to prevent alignment errors, but it’s something to keep in mind.

How todrillinto hardwood

I see those bits are mostly straight flute which is likely to give you a more shearing of the fibres at the top surface and less pulling out, as you already know a downcut will be mostly shearing the fibres at the top surface.

I’ve got a few of the Hozly 3.125mm single flute upcut and they’re surprisingly good for the price. At about $2 each in a multi pack they’re consumables.

@KevinCarr1996: I did not mention that my go to solution when tearout is at stake is to first run a pocketing pass with an upcut and a 0.5mm radial stock to leave, then come back and shave the remaining material off the walls using a contour toolpath with a downcut endmill, at full depth minus a hair, so that it does not scratch the bottom. This is probably the only use I have for my downcuts, because pocketing with a downcut…well I don’t like it, at all.

Also hoping to hear suggestions on if anyone has found either inexpensive downcut bits I can get separately or in a nice variety pack, like what I had linked… just in downcut?

Wood Drill Bit

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There’s a bunch of threads on V-Carving where people suggest various forms of adhesive liner paper and things to prevent tearout on the surface;

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I suppose you’re right that the finish of the face will be better with the straight flute than downcut. I may get that pack for the smaller buts, then a downcut or compression for the 1/4" size, so when I want to make sure the walls have a nice surface finish, that will do the job.

drillwon't gothroughwall above window

Other possibilities depend on what your walls are made of (the above assumes typical wooden studs.) If it's plaster over brick, you might have hit a mortar joint on the "successful" hole. What came out when you drilled the hole? Masonry dust, or wood shavings?

The type of details I’m trying to cut would be very hard and time consuming to take a knife to. I may take a scotch brite pad or something similar to try and break burrs without removing the detail. I tried running a very small, .005" 45 degree chamfer around the edges, but there was too much loss in detail… (You guys all seem to love using your metric parameters )

I’m trying to drill holes for 3/16 screws in the walls of my room, but the drill is unable to penetrate through some parts of the wall. At first I thought I hit a nail, so I tried making another hole and got the same result, and repeat. I know it isn’t mechanical failure because I successfully went through one point in the wall. See the picture before for the one successful attempt at drilling a hole and two unsuccessful ones

There’s a bunch of threads on V-Carving where people suggest various forms of adhesive liner paper and things to prevent tearout on the surface;

Edit: these are the drill bits I’m using: https://www.target.com/p/blue-ridge-tools-8pc-hex-shank-drill-bit-set/-/A-78262232

As your cut is only 1.5mm deep chip clearance is not really a problem, although presumably bottom finish is so a cutter with flat faces on the flutes is likely to do better, looks like these do.