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

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19
votes
4answers
62k 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?
4
votes
1answer
1k views

What are the key differences between a step drill bit and a knockout punch?

Both a step drill bit and a knockout punch seem to be very similar, in that they both make holes in a metal box. The step drill seems to have an advantage, since it can make several size holes using ...
2
votes
2answers
4k views

Drilled holes too wide for drywall anchors- how to fix?

I drilled holes for drywall anchors too wide - so now the anchor and the screw is loose. How do I fix this?
4
votes
2answers
4k 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 ...
3
votes
1answer
678 views

When will drilling through wall members affect structural integrity?

When can you freely drill medium to large sized holes in studs or door jambs, and when do you need to be concerned about damaging the structural integrity of the structure?
13
votes
4answers
58k 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 ...
13
votes
11answers
26k 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 ...
6
votes
1answer
1k 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 ...
3
votes
4answers
194 views

Is it possible to a drill hole in the bottom of a terracotta gardening pot?

I would like to make some drainage holes in the bottom of some terracotta pots I have. I am tempted to use a drill but am not sure whether this will work and how should go about it. Has anyone ever ...
3
votes
4answers
3k views

hammer drill not making any progress

Aiming to put some bike hooks into a plaster on brick wall - We've acquired a hammer drill and have been practicing on a spare brick and a backyard cement wall but the drill is just barely / not ...
4
votes
3answers
4k views

How do I mount a shower curtain rod to tile?

In my new place my shower is tile and has a spring loaded shower curtain rod. I have my curved rod from a previous residence and would like to mount it. I can operate a drill, but I have never gone ...
4
votes
1answer
689 views

How to remove a stuck flexible installer bit?

While attempting to add an Ethernet run to a exterior wall (no crawlspace access beneath the wall - oops) I have managed to get my flexible installer bit (example in link) completely stuck. I have a ...
3
votes
3answers
9k 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 ...
2
votes
1answer
2k views

Screwing into the grout line between glass tiles

I'm about to mount some shelving brackets onto a wall of 1" square glass tiles. The entire wall is backed by 5/8" plywood, so I don't have to worry about hitting a stud. With that kind of ...
4
votes
6answers
6k views

What kind of drill bit can I use for a small hole on Silestone countertop?

I need to drill 2 small holes on the underside of my Silestone countertop to secure a new dishwasher. What kind of drill bit can I use? AFAIK Silestone is some kind of artificial quartz, but I wonder ...
11
votes
3answers
2k 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 ...
5
votes
6answers
1k views

What's a good general purpose light-use drill?

I was wondering if anyone had any suggestions for a decent general purpose light use drill for around the home? It's not going to get a whole lot of use. When it does get used most of the time it'll ...
8
votes
5answers
7k 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 ...
5
votes
4answers
3k 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 ...
11
votes
5answers
3k views

Is there a technique or tool for consistently placing drywall screws correctly?

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 ...