Questions tagged [drill]

A tool used for creating holes in surfaces, such as for mounting objects on walls.

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50
votes
8answers
163k views

When would one use an impact driver versus a regular drill?

Or vice-versa. As best as I can tell, the impact driver is very good for most any type of screw going through wood. When would you use a drill (with screw bit) instead?
46
votes
6answers
275k views

When pre-drilling for screws, how do you determine the correct bit diameter?

Suppose I want to pre-drill for, say, a 5/16 screw. How do I determine the correct drill bit diameter?
32
votes
4answers
313k views

How do you know when and where it is safe to drill into a wall?

Lots of home projects involve cutting or drilling through walls (everything from nails, screws, or hooks to mount things to cutting through drywall and drilling through studs to run wire). In general,...
24
votes
4answers
9k views

While drilling into kitchen wall, hit a wire - any advice?

While fixing the extractor hood yesterday, I accidently hit a wire when drilling and exposed the copper. The wires are too tight to get some kind of a box in there and putting an electrical tape may ...
22
votes
3answers
5k views

Mounted tv too high, OK to use same studs to remount?

I mounted a tv (60") on my living room wall too high. The heavy-duty mounting bracket uses large screws that required that I drill a 7/32" hole into the studs and used a socket wrench to tighten them ...
20
votes
4answers
27k views

Is it safe to re-use drill holes in a wall?

I've just mounted a 42" TV with a new wall mount that uses 3/16" bolts into some studs on the wall. I now want to use an articulating one, which means I'll need to replace the old mount. The new ...
19
votes
3answers
6k views

Damage when drilling a mirror — normal or not?

I've just had a bespoke mirrored bathroom cabinet installed. The mirrors have had holes drilled for the knobs, and one of the holes has a white mark around it and generally doesn't look very clean. ...
17
votes
14answers
102k views

What is the best technique for using a drill to insert screws?

It looks so easy on the DIY programs, but I battle to insert screws using my drill. The screwdriver bit keeps slipping out, and it damages the screw head. Is there a neat trick for this? Should I ...
16
votes
1answer
3k views

Metal braided cord in the wall

I was expanding a hole in what I think is drywall in between two closets. When I took the drill out I noticed some metal protruding and it looks like I went through a braided cable, but the metal ...
14
votes
10answers
7k views

How to fit a screw into a drilled big hole on wall?

I am fitting a window blind on a wall. The wall is made of plaster board as far as I have known. I have drilled a hole on wall bigger than the screw size. The drilled hole on the wall has a diameter ...
14
votes
11answers
4k views

Knowing where to drill holes in steel plate?

I have a concrete floor and I made two holes to bolt a 1/4"-thick steel plate. The problem is that the steel plates haven't been drilled yet. How can I determine where the holes will be drilled in ...
14
votes
6answers
51k views

How to drill a hole in a space too small to fit a standard manual or electric drill?

I have a very narrow kitchen cupboard I'd like to make some changes to (add shelves maybe). Almost any change will require drilling holes though, and there's not enough room for a standard electric or ...
13
votes
5answers
14k views

How do I consistently drive drywall screws to the correct depth?

Is there a special technique or tool for consistently placing drywall screws correctly? I'm using a standard Dewalt DWD115K (with no auto-stop mechanism) so I'm usually paranoid of going too deep ...
13
votes
2answers
13k views

How can I drill to an exact depth with a hand drill?

I'm drilling holes in 4"x4"s in order to put magnets in them. The magnets are 1/8" deep and I'd like to install them to be flush with the surface of the wood. All I have is a Ryobi cordless drill and ...
13
votes
2answers
9k views

What can a Dremel tool do that a drill cannot?

I'd like to understand: what is the point of a Dremel tool? I know that there are many Dremel accessories that are indeed useful, but why should I have to get the tool itself? Couldn't the whole ...
12
votes
3answers
4k views

What type of cordless tool battery chemistry should I purchase?

I'm about to buy a cordless tool set in which the tools all operate off the same form-factor battery. The batteries come in several different chemistries and I'm wondering which type is better for ...
11
votes
5answers
12k views

How do I drill a hole in a shelf without going all the way through?

I need to drill a hole in a shelf that's half an inch deep but I don't want to drill a hole through the shelf. What's the best way of doing that? I have a drill and i was thinking of showing just a ...
11
votes
5answers
155k views

What are the differences between SDS, SDS Plus, and SDS Max drills?

Basically I had to use a breaker last weekend, it was clear I did not need the “heavy duty” as I did not have 6” of solid concrete, but the descriptions of the other options confused me.
11
votes
8answers
61k views

How can I center a drill bit so that it drills absolutely straight down rather than perhaps a little off to the side?

In Googling "drill bit guide" came across this and other tools like it: Something like this seems perfect for being able to drill a straight hole through wood. However, I can't seem to find anything ...
11
votes
5answers
19k views

What can I use to drill dowel holes down the end of a long piece of wood?

More of a DIY than Improvement question, but here goes anyway. We're building a shoe box with slatted sides and base and were thinking of joining the slats to the corner uprights with dowel (excuse ...
11
votes
1answer
23k views

What is the difference between a ball/pin detent and friction ring impact wrench?

I have been looking into getting an impact wrench for my car and I have noticed that any given model (at least the one I am looking at) has two versions. One version has a ball to keep the socket ...
10
votes
8answers
4k views

How to drill holes in 3/8" thick steel plates?

I had to drill some 1/2" holes in 3/8" steel plates. In addition to taking something like 15 min per hole, a brand new drill bit lasts maybe two holes and it is trash. What is the best way to drill ...
10
votes
6answers
51k views

How can I drill a hole in tempered glass without shattering it?

How can I drill a hole in tempered glass without shattering it? Is it even possible? The hole only needs to be around 1/4" in diameter, nothing crazy huge.
10
votes
3answers
1k views

Should I get a keyed chuck for cordless drill?

I am thinking of getting a Milwaukee M18 fuel drill/ driver combo. The drill is insane with 750in-lbf of torque. It comes with a hand tighten chuck though. My other Milwaukee corded screwdriver has ...
9
votes
7answers
52k views

Why does my drill bit destroy the screw head?

I have a craftsman drill which I use for drilling. When I use a screwdriver head to fix screws in drywall or wood, it keeps on destroying the head of the screw. So much so that the screw head is ...
9
votes
7answers
47k views

How do I know if my power drill needs to rotate clockwise or counter clockwise to drill forward?

This maybe a dumb question but I simply want to make sure I got it right because the manual seems to be defective. I already got one of my drill bits ruined. So, could anyone show me both pictures of ...
9
votes
7answers
2k views

Cordless drill or impact driver for household projects? [closed]

Which tool would be best suited for various around the house jobs? I already own a cheap cordless drill and the battery frequently dies. I need to know which tool is best for hanging light fixtures, ...
9
votes
4answers
3k views

Using Forstner bits instead of hole saws

I have been having problems using hole saws when removing the plug of material after use. Looking at What is the right way to clear the drilled plug out of a hole saw? it is still awkward and I have ...
9
votes
2answers
31k views

How do I drill holes in Aluminum / Aluminium sheet?

I have some aluminum / aluminium strips that are about 3 mm thick and about 20 mm wide. I need to drill some holes in them. The holes will be 3.5 mm. What type of drill bit do I need? What speed ...
9
votes
6answers
63k views

Should I buy a drill or an electric screwdriver?

I wanted to buy a drill, but some friends suggest I buy an electric screwdriver instead. They say you can use an electric screwdriver more than a drill, but I'm still unsure which to buy. I think a ...
9
votes
1answer
59k views

What do the numbers on a cordless drill mean?

I have a Hitachi cordless drill: You can turn the gray numbered part to switch between, hammer drill, drill and screwdriver mode. The screwdriver mode is numbered up to 22. Can someone explain what ...
9
votes
3answers
3k views

How can I drive a screw with an impact drill?

I bought a Bosch PSB 650 RE Impact Drill and I have some question about how to use it for driving screws. I know it's not its primary function but for a few screws here and there it should work. I ...
9
votes
6answers
13k views

How can I install a recessed light container in an abnormally thick ceiling?

We are in the middle of our home remodeling and we have just noticed that our ceiling seems to be a bit thicker than what the maximum our recessed lights allow for. As shown within the picture link ...
9
votes
3answers
4k views

Drilling holes in concrete

I'm not what you'd call a handy guy, and now wife wants me to put up curtains. This task is reduced primarily to getting a bit of metal stuck to the ceiling. I bought screws and anchors. The anchors ...
8
votes
7answers
33k views

How to SLIGHTLY widen bored hole in 2x6

I'm making a stand-alone pullup bar and I bored 1 1/4" holes in 2x6's for my 1" galvanized pipe (1 1'4" outside) to slide through. Only the pipe is definitely 1 5/16" (thank you, guy at Lowes) and I ...
8
votes
7answers
9k views

How NOT to use a power drill. What are common mistakes that should be avoided? [closed]

While I know how to operate a power drill in general (by the manual, so to say), I am wondering which things I should avoid of doing to it, in order to get the best out of the drill. I want to know ...
8
votes
1answer
5k views

How can I drill a grommet hole in my Ikea desktop?

I have a computer setup that I would like to improve. My plan is to drill a hole through pretty much the MIDDLE of the desk in order to pass wires and make my overall setup look cleaner. What I'd ...
8
votes
4answers
23k views

Do I need a corded drill to mix thinset?

I've been looking at tearing out my fiberglass shower, installing Kerdi, and re-tiling the whole thing. During my research into this project, I've come across quite a few forums that have members ...
8
votes
4answers
2k views

Will I damage a cordless drill/screwdriver if I “over-torque” it?

I own a Bosch GSR cordless screwdriver/drill. This drill automatically locks the spindle so that it can be used as a passive screwdriver, e.g. if the battery is empty (that's what the manual says). ...
8
votes
1answer
2k views

Drill Fast vs Drill Slow

When should I drill fast and when should I drill slow, when drilling holes on metal pieces? and what are the advantages and disadvantages for both of them? (Suppose a corded drill have 10 speed level,...
7
votes
13answers
26k views

Drilling “misting” pin holes in PVC

I built raised gardens this year and added cheap DIY PVC irrigation. I used a 1/16" drill bit and drilled several holes in 1/2" PVC pipe. The 1/16" drill bit was the smallest I had but the holes ...
7
votes
9answers
255k views

How do I remove a drill bit that is stuck due to an overtightened chuck?

I recently bought a Bosch PSB 500 RE power drill and already I kinda screwed up the machine. The chuck is keyless, consisting of two parts which I'll refer to as the head and the base. You would ...
7
votes
6answers
30k views

Is it possible to use a drill press as a milling machine with the proper bit?

Assuming one has the proper bit - is there a good reason not to mill material (aluminum say) on a drill press by moving the material around? Seemingly they do more or less the same (rotary motion)
7
votes
2answers
809 views

What is this tool set for?

What is this tool set in the red rack used for?
7
votes
4answers
80k views

Can a non-professional drill holes in a granite countertop?

I recently bought an under-counter kegerator and need to have some holes drilled in the granite countertop for the tap. The template and mount has 1.75" hole in the center (to run the beer lines) and ...
7
votes
2answers
10k views

What units are the clutch settings on a drill?

I have tried looking around the internet for an answer - but I can only find articles that explain what the clutch on a drill does. I am very familiar not only with what they do but also with how ...
6
votes
11answers
8k views

What is the right way to clear the drilled plug out of a hole saw?

I am building a project where I am using a hole saw. After drilling through 2, 1" thick boards I have to clear the scrap out of the saw. This is a really slow process and I suspect I am doing it wrong....
6
votes
12answers
41k views

How can I bore deep straight holes through wood?

I wish to bore a 12mm hole in a 9x2 vertically. How do I keep the bore hole straight through 9 inches?
6
votes
4answers
9k views

How do I drill additional holes for adjustable-height shelving?

I have a set of cupboards with shelves that adjust in height, by means of moving pins that hold up the shelves to different holes: Unfortunately, for some reason, whoever made the cupboards didn't ...
6
votes
2answers
12k views

How do I drill into an existing galvanized fence post?

I have an existing metal fence post, set in concrete, in which I'd like to drill a new hole in that post. Normally, I would use a drill press to drill into a curved surface like this. Since the post ...