How to drill glass. Comparison of four drills.

How to drill glass.
I will compare 4 different drills. How they drill, and which of them is more convenient and better to drill glass.
Prepared 4 identical pieces of glass. In each of them I will drill through the center of one hole with different drills.
What kind of drill will be used.
The first. A tubular drill on glass and a tile with a diameter of 5 mm.
The second. Two-sided drill on glass and tile with a diameter of 6 mm.
Third. Four-square drill on glass and tile with a diameter of 6 mm.
Fourth. A usual drill on metal with a diameter of 4 mm.
All drills are new. I will compare them. I will not specifically accelerate the video, so that it can be seen how much time in reality is spent on drilling a hole in the glass each of the drills.
I'll start with a dihedral drill. I print it out.
Under a piece of glass I enclose a piece of fiberboard. I install the drill on the drill.
Need to drill at low speeds. To push hard on the drill is also not necessary.
To drill a hole faster, you can gently rock the drill from side to side during the drilling process.
To get a hole without chipping from the back side, the glass should be turned over to the other side when the tip of the drill comes out from the back side.
Everything, the hole in the glass using a dihedral drill drilled.
Now I will try a tetrahedral drill bit. I print it and install it on the drill.
I take a new piece of glass and start to drill a hole in it with this tetrahedral drill.
All hole drilled using a square drill.
That's what happened.
I turn to the test tube drill. I print it and install it on the drill.
Drilling this drill more difficult. More precisely, it is difficult to start drilling with such a drill, since it does not have an edge. Start drilling with such a drill should be sideways. First, a basting is made in the place of the future hole. Drill with a drill is kept tilted to the glass plane. As the drill begins to drill through the glass, the drill with the drill gradually straightens until it reaches a position perpendicular to the glass plane. At this point, the tubular drill should completely draw the contour of the future hole. Further drilling is performed as an ordinary drill.
The hole is drilled using a tubular drill.
That's what happened. There are chips. Moreover, the chips occurred both from the reverse and from the front side of the glass.
I try the fourth drill. This is a common metal drill. It is not intended for drilling glass. But I wonder if it can be used to drill glass and how long it will take.
I install it on the drill and start to drill.
The drill bit, but very bad. Slow.
The glass is hot, it gets very hot. The drill should be cooled in water from time to time. But I will try to drill to the end without cooling the drill.
It turned out to drill a hole in the glass using a conventional metal drill.
That's what happened. It turned out a big chip. Chips turned out on both sides.
What do I think about these drills.
Drill on metal. In my opinion, this is the worst option. Drilled for a very long time, and get great chips. But this is not surprising, since it is a drill and is not intended for drilling glasses. But as an option, if you really need to drill the glass, but there are no special drills and the chips around the hole are not critical, then you can suffer with such a drill.
Tubular drill bit. This option is better than the previous one. Drilling with such a drill quickly enough, but the problem is that it also comes from chipping around the hole. In addition to the disadvantages of such a drill, I’ll add that it’s very difficult to drill a hole in the marked place with this drill. At the beginning of the drilling it is difficult to hold the drill and it begins to drive on the glass and create scratches. Here is an example of an unsuccessful start of drilling with a tubular drill.
Now about the tetrahedral and dihedral drills. Drill with both drills perfectly. No chips, and the hole in the glass is drilled very quickly. A two-sided drill bit is slightly better than a four-sided drill. But a four-sided drill will last much longer than a two-sided one. The fact is that during drilling the drill heats up strongly and if it is not cooled, then the over-soldering at the end of the drill drops out of overheating. On a two-sided drill, it falls out much faster than on a four-sided drill.
If you need a drill that drills better, then you should take a two-sided. If you need a drill that lasts longer, then a four-sided drill will be the best option.
In the following videos, I will test these drills on a tile. How they drill the wall tile and how they drill the floor tile gres. Drilling floor tile is different from drilling wall tile. Floor tiles need to be drilled a little differently, as it is very strong.

[@aidyn2086]

Попробуйте обвести замазкой канцелярской вокруг круглого сверла (алмазной коронки), чтобы сверло не соскакивало. Сделайте, плз, эксперимент

[@YaSmoguSam]

Вы предлагаете капнуть каплю канцелярского клея на место сверления? Клей будет долго сохнуть, но скорей всего это сработает.

[@talkotjtalkotj8664]

Привет пачиму безваду сверлет

[@YaSmoguSam]

Я сверло в воде остужаю время от времени.

[@aidyn2086]

Когда сверлите алмазной коронкой, может обвести место будущего отверстия маркером-замазкой канцелярской? Чтобы, сверло не соскакивало. Сделайте, плз, эксперименто