Questions tagged [drill]

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

Filter by
Sorted by
Tagged with
15 votes
4 answers
3k views

What does the colour of drill bits mean?

I bought this set of drill bits. The set came with 3 colours of drill bits: Silver Gold and Black I do not know. What does each one of these bit colours mean?
  • 765
0 votes
7 answers
179 views

When drilling holes in a wall, how do you make sure you don't hit an electrical wire?

I have fairly solid walls in my apartment (plaster?), no drywall, so when I want to hang something or put in a screw, I need to drill a hole and first put in one of those small plastic 'sleeves' to ...
  • 103
0 votes
1 answer
92 views

Drilling into concrete with a cordless drill

I understand that my brushless cordless 20V (Dewalt) drill—because it has a hammer option— has what it takes to drill a 16 mm hole into concrete. I also understand (from the same answer just linked) ...
  • 497
0 votes
0 answers
77 views

Why drilling too slow is bad?

Recently I was watching some YouTube machinist channels, where for a few times I've heard phrases like "you need higher speed when you use carbide bits". I understand why operating drill or ...
0 votes
5 answers
133 views

What kind of drill bit will go through both concrete and wood to sink concrete anchors through the sill plate?

I need to sink 8" TITEN HD concrete anchors into a foundation and through 3" of wood sill plate above the concrete. It would be nice to use one drill bit, but from my research it looks like ...
  • 809
2 votes
1 answer
105 views

Lag bolt pilot hole diameter for softwood - unthreaded shaft splitting wood

I'm planning to screw some 3/4 inch lag bolts through a couple of 4x6 PT southern pine beams and looking up pilot hole diameters for softwood it seems like either 3/8" or 13/32" is ...
  • 494
-1 votes
1 answer
92 views

Is it safe to drill through metal on the side of the windows?

I was drilling holes on the side of the window to install new venetian blinds. I found that the drill bit was not going through. Upon taking a closer look I found metal. Why is there metal on the ...
2 votes
1 answer
84 views

Install hose hanger with Regular drill and bits

Disclaimer: I am very newbie when it comes to DIY stuff, so be patient :) So I have installed this hose hanger into my exterior brick wall using 12V cordless drill. Looks sturdy, but I do have some ...
0 votes
1 answer
154 views

Why is the classic metal drill index arranged so strangely?

Does anybody have any idea why the traditional metal drill indexes arranges with largest drills and the labels toward the outside? The result is that you can't just flip up all the panels, search for ...
  • 281
0 votes
1 answer
179 views

Is it a problem that my contractor drilled vertically through a beam?

I hired a contractor to run some low voltage ethernet wires through my house, but I can't shake a gut feeling that he may have done something that he shouldn't have. Running a cable to the back of the ...
0 votes
3 answers
158 views

Drilled hole for wall anchor into a stud instead. How can I use it for mounting?

I was drilling 8mm diameter holes into plasterboard to put in hollow wall anchors (https://www.screwfix.com/p/easyfix-hollow-wall-anchors-8-16mm-m5-x-52mm-10-pack/12229) in order to put shelves up. ...
  • 1
0 votes
2 answers
137 views

The drill bits in my SDS drill don't slide up and down 15mm in the chuck

Drill bits are meant to slide up and down within the chuck. In my new drill there's about 2mm of in/out movement in the chuck. (There's about 1cm if movement from the whole chuck, but I don't think ...
0 votes
0 answers
56 views

Why would I not be able to drill through a concrete wall splitting our house/laundry room and garage? [duplicate]

I am trying to hang a suspension rail in our laundry room concrete wall. I got the best concrete drill bit but it just won't go through past half an inch. I'm not sure what the issue is or what ...
0 votes
3 answers
122 views

Why isn't there a single type of drill bit for both metal and concrete/bricks? [closed]

I have found that there are two different type of drill bits for the concrete/bricks and metal. Metal is so much harder than concrete and bricks. Therefore, from logic I would expect that the drill ...
1 vote
2 answers
110 views

Failing to install a babygate to a stone wall

I need to fit a baby gate to the top of some stairs. The manual of the gate we bought says it is meant to be screwed on a wooden wall. Our wall is stone, so we first tried drilling holes and using ...
0 votes
0 answers
43 views

Vertical bricks above a window new house uk

I am trying to fit an outdoor camera above my window frame. The beat place for me is in the line of vertical tiles above the frame. These seems to only have half thickness and I am not sure what is ...
2 votes
3 answers
410 views

Why can’t my hammer drill drill a hole in concrete?

I do have a hammer drill (Bauer 7.5amp, Harbor Freight) and some 1/2“ Bosch masonry hammer drill bits. I‘m trying to drill a hole into my concrete patio. I have made it one inch deep but that ...
  • 203
1 vote
1 answer
62 views

Counterbore pilot guide

I'm looking for something to drill a 3" + 1" counterbored hole by first drilling with a 1" auger bit and then drilling with a 3" bit part of that way yet keeping it perfectly ...
  • 494
3 votes
1 answer
146 views

Quieter drilling into concrete

I need to drill some 1/2 inch holes in a 4 to 5 inch slab. A typical hammer drill is going to give us 90-92DB. I'd like to knock that back maybe 8-10DB to around 82-84DB. is that possible? Are ...
0 votes
0 answers
180 views

What's the minimum distance between holes in a concrete wall?

I'm fixing a pull-ups bar to a concrete wall. I need to drill some 15/32'' holes, but I have the feeling that two holes in the metallic frame are too close to each other. They are less than an inch ...
3 votes
3 answers
737 views

Tricks for fitting a 7/16" bit into a 3/8" drill?

I have a 3/8 hand-held drill and that's pretty much all I need for my projects. But now I have a project where I have to insert large dowels, and they will need a 7/16" hole. I don't have that ...
2 votes
2 answers
2k views

Drill hole size for a given screw size in tile

I need to install a grab bar in a ceramic-tiled shower. I plan on drilling through the tile and screwing into studs (no anchors) with stainless steel screws. I know I need to use a carbide or diamond ...
  • 125
0 votes
0 answers
99 views

Unable to drill through second story subfloor

I have squeaky floors on my second story. I bought one of those repair kits with the tool that helps find the joists through carpet. Wherever I drill, no matter which room or what distance I move ...
  • 1
1 vote
1 answer
109 views

How to cut a 1 5/8 hole in plexiglass with a hole saw and not break the plexi

I'm making a router base plate to accommodate a larger round over bit. I need to cut a large hole through the plexi for bit clearance and I don't want to break or crack the plexiglass.
-2 votes
1 answer
103 views

How to make a Ø25cm notch/groove/slot, 20mm thick, 10cm deep, in the ground? [closed]

Strange need isn't it? It is to seal no bottom pots in the soil, like in the following photo but without the bottoms: It is a circular notch or a groove or a slot, not a hole. I have imagined this ...
-2 votes
1 answer
76 views

Where does one acquire lost parts from toolboxes or toolsets? [closed]

I purchased a Durabuilt toolbox many years ago, but some of the tools from the box have gone missing (ie. a vice grip and a screwdriver). I'm trying to buy those missing parts. So that when I take ...
  • 372
0 votes
0 answers
45 views

Appropriate mirror type (self-adhesive/drill-based) for outside of wardrobe door

I'd like to fix mirrors on the outside of each of this wardrobe's four wooden doors: Easiest would be to use self-sticking square mirrors such as this one. But several reviewers report having had ...
  • 153
1 vote
1 answer
244 views

What hard thing am I hitting in my brick wall?

I'm drilling several 2.5cm deep holes (all horizontally about half a meter from the roof) to install some large IKEA Pax cabinets into an internal single-brick wall. I'm drilling into a wall with a ...
  • 113
0 votes
1 answer
147 views

Can't drill hole deep enough in concrete

I need to anchor a shed to cement or concrete with ⅜" x 3" anchor bolts.  I have a Bosch "long life in concrete" ⅜" bit.  The drill motor is medium-size but was able to get ...
  • 161
0 votes
2 answers
40 views

Drilling hole through layered wood and metal

I want to drill a hole (about 12mm diameter) through the floor of a shipping container. From the inside of the container, the wooden (probably plywood) floor is visible, and from the outside there is ...
  • 253
0 votes
2 answers
139 views

Dewalt Power Drill DEWALT DCD708B, how to change drill bit

I have a Dewalt Power Drill DEWALT DCD708B ATOMIC. Instruction manual here. What is the proper way to change a drill bit? I see many online videos, where they remove the battery, open the chuck hole ...
0 votes
1 answer
304 views

Choosing pilot hole size for brick

I'm new to drilling but I've read up as much as I can. I need to drill some 8mm holes in brick (not the mortar) for 8mm rawlplugs. I'll be using a 550W Bosch corded hammer drill and I have a set of ...
-1 votes
2 answers
152 views

How can I mount something heavy on a wall that's too hard to drill more than 1/2 inch

I am trying to mount a wooden trellis on my living room wall. The house was built in 1890 and later remodeled. Most interior walls are standard drywall with studs, but the exterior walls seem to be ...
  • 1
0 votes
1 answer
58 views

Can I drill a hole in a reinforced concreete with an impact driller?

I am wondering wether I can drill in reinforced concrete 5-6mm(1/4”) diameter wholes and 30-40mm depth with my Bosch GSB-1080-LI-2, which is almost the same like GSB-120-LI?
  • 121
1 vote
1 answer
283 views

Hit metal while drilling - what did I hit?

While attempting to hang a coat rack in my basement on an exterior wall, my drill hit some metal. I know that there are water pipes in the area, so I want to make sure that I am not going to cause ...
1 vote
3 answers
792 views

Can/Should I use Impact Driver to drill screws on brick walls?

I have been trying to find this answers, before I can buy the tool. I have had some bad experience with corded tools, and would like to go for a cordless/brushless drill/driver. Not interested in any ...
  • 103
1 vote
1 answer
88 views

What to do when drilling into steel has no effect? [closed]

I read a few online articles on drilling into metals. The advice is mostly the same: Predrill a smaller hole. Drill slowly — low rpm. No need for fancy equipment — any drill bit specialized for metal ...
0 votes
3 answers
176 views

Drill bit stuck behind chuck

I am a first timer user of a drill and didn't use the proper drill bits. I removed the chuck and put the drill bit where the chuck is located and now the drill bit is obviously stuck. Any suggestions ...
0 votes
2 answers
65 views

Is a standard 3-mode (Hammer, Drill, Screw) Combi Drill always capable of alternating direction?

I am trying to get myself a brushless+cordless Combi Drill to replace my nightmare Terratek corded drill and support my home DIY package. I don't need advice for drill, as I know it's not the right ...
  • 103
0 votes
1 answer
174 views

What is the grease or lubricant at the end of my new rotary hammer drill tool?

Recently purchased a rotary hammer drill and some kind of grease or lubricate was at the bit end (opening) of my tool. I'm wondering what kind of grease is this? I was watching a few videos and ...
0 votes
0 answers
64 views

Drilling conical holes into Metal (Lathe)

I need to make a hole that is 11.5mm wide at the bottom, 12.2mm wide at the top and 34mm deep into a metal cylinder. The dimensions may vary. I have a lathe. I was thinking of getting a 11.5mm drill ...
  • 101
0 votes
1 answer
103 views

Hit metal while installing lamp hook

I was trying to install a small ceiling hook for my lamp frame. Trying to just screw it in manually didn't work - the material of the ceiling is really soft and the hook doesn't hold. I tried to drill ...
  • 3
0 votes
0 answers
41 views

Filling large hole to screw/drill into again

I have a radiator which was not on properly. I tries tightening the screws but the original plaster just gave way. I filled it with 2 products (polycell and ronseal) which both claimed they could take ...
0 votes
3 answers
259 views

I need a drill for driving ground rods [closed]

I'm absolutely tired of renting here. I need a drill for driving ground rods and soil is moderately hard one I wanted to know how big/heavy drill I need for ground rods. 10-13 amps, and around 12-15 ...
0 votes
2 answers
135 views

How do I remove a chuck that got stuck during removal?

I was in the process of removing a keyless chuck on a cordless drill. I removed the screw from the chuck first and for some unknown reason managed to close the teeth on the chuck without inserting an ...
  • 11
0 votes
1 answer
131 views

Why did this aluminum bar 'splash' when I tried to drill a hole?

I need to make a couple of 3mm holes in this 0.75" 6063-T52 Aluminum Square Bar. I grabbed a 3mm drill bit, and consulted this chart. My drill press only goes up to 3200, so I set it to that ...
0 votes
0 answers
162 views

"Safe" to drill into a wall with an electrical consumer unit on the other side?

I want to add shelving to a wall. On the other side of this wall is the electrical consumer unit for my premises. I have one of these non-contact detector pens:¹ I won't be drilling further than ...
15 votes
3 answers
5k views

How to drill through wall without hitting boiler on the other side

I need to drill a hole through from my living room to my garage to put an ethernet run between them. I can only drill through from the living room in one spot due to the positioning of the electrical ...
  • 153
2 votes
2 answers
92 views

Whats a good method for hanging heavy curtains in a timbre frame wall?

I've moved into a timber frame house. I have read a bit about plasterboard and using the right plugs and fixings but am still unsure. The curtains are blackout so have a bit of weight to them. The ...
  • 21
11 votes
4 answers
3k views

How can I drill my own electrical knockout?

I would like to drill a regular (I think 3/8") knockout on a metal appliance housing. It is not tabbed like on a metal handy box. Which drill bit should I use?
  • 6,683

1
2 3 4 5
11