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Questions tagged [drill]

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

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I have a jcb corded drill that seems to have suddenly stopped working

The drill is in pretty good condition and worked when used last a few months ago. It is now not working when pressing the trigger. It will randomly have a bust of power and start then when the trigger ...
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1answer
20 views

Brick drilling in close distance to another hole?

I am about to install a samll kids coat hanger, however it seems I will need to drill another hole about 1 cm from the existing one (brick wall). Is it at all possible or should I look for another ...
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1answer
37 views

Can I drill into a wall's baseboard?

I need to run coaxial cable to another room and the original hole near the bottom of the wall got covered by a taller baseboard. Is it ok to drill through the baseboard? There's still a hole on the ...
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1answer
40 views

Hanging a ceiling lamp from reinforced concrete; what tool do I need to avoid rebar?

I'm trying to hang a ceiling lamp from what appears to be a reinforced concrete ceiling. My anchors require a 40 mm deep hole, but I don't succeed in drilling more than about 35 mm deep with my ...
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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 ...
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1answer
88 views

How to stop bricks pushing out while drilling?

I need to add an extractor fan to our utility room so I started drilling a hole using a core drill bit from the inside to outside. Its a standard UK brick cavity wall, so brick > insulation > brick. I ...
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1answer
44 views

Drill bit stuck in Hilti TE52

Drill bit was left in the chuck and has gone rusty so unable to remove. Have tried WD40 with grip and hammer but no luck. Any suggestions? Cheers
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1answer
41 views

tapping a hole - how close does the drill bit have to be

I want to tap a hole in a surface that I think is steel. According to the chart I need a 6.8mm drill bit but screwfix doesn't sell a 6.8mm hss drill bit. Can you use a 7mm instead? For future ...
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3answers
92 views

Masonry drill bits

I have used 2 different brand of masonry bits. I can not even drill one hole before it becomes dull. I used both a regular drill and a hammer drill. Is that normal? Andy
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1answer
83 views

How/why is a driver better at screws than a combi drill?

The first decent power tool I bought was a DeWalt combi drill. It's good but I know contractors always have dedicated tools and it seems other than convenience switching bits, a driver is just better ...
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2answers
72 views

safe distance for re-drilling nail holes

I drilled at wrong place inside the window frame when installing blinds, about 1/2 inch off, is it safe to drill a new hole 1/2 inch away from the old one? edit: Please see picture, it's another ...
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3answers
114 views

Drilling in concrete and hitting something hard - what are my options?

I drilling somewhat deep holes (inch and a half) into concrete and I'm hitting something hard in two out of my four holes. I'm fairly sure it's not metal I'm hitting and I'm wondering how to proceed. ...
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2answers
95 views

How to remove an old bosch drill chuck?

I've got an old Bosch corded hammer drill, model PSB 500. It's not the "RE" (reversible) model. The chuck is a traditional one with the jaws and the key to loosen and tighten the bits. Since this ...
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3answers
58 views

What are the best practice in drilling anchor screw holes in right locations?

I am setting up several stations side by side that look like this: For each station I have to install a mirror that has two hooks behind it and look like this: Those hooks are supposed to hang on ...
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1answer
102 views

Is this a drill bit for concrete?

What kind of drill bit is this? Can it be used to drill a hole in concrete? EDIT: after the accepted answer provided me with some details I found out what it is. Details here, on page 5. And the ...
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1answer
22 views

Remove broken setscrew in an already damaged hole?

Trying to remove a broken setscrew on part of my stove. Top photo is the current state, the second photo is another part showing an intact screw for comparison. I already tried to drill out the screw ...
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1answer
37 views

Don't bore/notch in middle third of a joist… span or member?

Suppose I have a continuous joist supported somewhere in the middle. For ease let's say it's a 24 foot continuous joist, and there's a bearer right in the middle at the 12 foot mark. Here's a picture ...
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2answers
111 views

What are the grooves on the shank of my 16" masonry drill bits for?

I had to purchase a new 16" masonry drill bit for a project I am working on and it has the below grooves on the shank. I am curious why, but also want to know if there is a special drill that it is ...
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1answer
59 views

Drilling: what's underneath my subfloor?

I have a squeaky floor and I'm trying to use a kit to screw the subfloor to the joists. However, while drilling to find the joists I can go down less than an inch before the drill stops going down ...
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0answers
41 views

Makita DDF483 sub compact drill chuck removal

I really over worked my little drill about a year ago and hurt the gearbox. Now it's time to replace it (the gearbox). Is it possible for the chuck to be a left hand thread? The screw inside the chuck ...
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2answers
37 views

Solving subfloor squeaks

I am planning to remove carpet in a living room and dining room area of my house and replace it with floating laminate flooring. There are some spots in my current floor that squeak so I was planning ...
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2answers
440 views

how to drill aligned holes in steel pipe?

I need to accurately drill multiple holes in steel pipe (1.25-2" diameter, 65-100 mil wall thickness, about 10ft long). I need to drill a half-dozen or so evenly-spaced aligned pairs of holes all ...
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2answers
120 views

What kind of drill bit is this?

This is a drill bit I got in a kit that included brad point bits, masonry bits and regular drill bits, all without instructions or labels. At first, I thought the ridges were meant to make screw ...
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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, ...
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1answer
42 views

How do I sharpen my circle cutter

I have a circle cutter that I inherited from my father. The directions are long gone. It's bogging down and I'm sure sharpening it would help but it's kind of unclear which is the cutting edge. ...
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3answers
509 views

Can a large hole be reliably drilled in a table _by hand_?

The Ikea Fixa 5-piece hole saw set can be used to drill a hole in a tabletop. I intend to use the smallest in this set. The table is too big and even though the monitor arm is quite long, it is not ...
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10answers
6k 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 ...
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2answers
36 views

Detecting concealed PVC water pipe with ultrasonic sensor

I'm planning to install some glass shelves in one corner of my washroom. The problem is, there are some plumbing pipes snaking around underneath the ceramic tiles and I risk punching holes while ...
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2answers
46 views

Seal a 1in drilled hole in concrete block

I need to drill a 1 inch hole in a basement foundation block wall to pass a 1/2 emt conduit through. How do I seal the gap afterwards to pass inspection, prevent mice, insects, rain and drafts. ...
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2answers
45 views

How to cut a door wrapped in sheet metal

In my kitchen I have a dumb waiter; the door is 1" thick solid wood wrapped in 1/16" sheet metal. I removed the old door knob (that's the hole in the photo) to make room for a flush pull. I need to ...
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1answer
83 views

Trouble drilling into outside facing wall above window to hang curtain rod

I have an outside facing wall on the second story of my home. I'm trying to drill above a window to put a support for a curtain rod. I can easily drill about 1/5 of an inch but then the drill just ...
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1answer
64 views

How to choose hole sizes when building a sorting sieve?

I'm planning to build a sorting sieve out of a set of plastic containers with holes drilled in the bottom. The container with the largest holes will be on top and the one with the smallest holes ...
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1answer
62 views

Is my Milwaukee drill defective?

I have a Milwaukee M12 Fuel hammer drill I purchased in July. Last week I was drilling holes through studs with a brand new 5/8” auger bit and the drill was constantly stopping due to overload ...
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1answer
137 views

What's the purpose of 5.5mm concrete drill bits?

In (continental) Europe, all the plugs I've seen are either 5 or 6mm. So what's the point of 5.5mm drill bits, most commonly found in SDS-plus version? Is it to drill in crappy material and/or with a ...
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1answer
70 views

How do I drill through a metal screw in my cabinet doors?

I'm in the process of adding hardware to my bathroom vanity and as I have gone to drill the holes in the doors, I am hitting metal. It's hard to see what it is, but I believe it's a screw or a piece ...
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1answer
195 views

What size chuck key do I need for my Black & Decker DNJ62 drill?

I have been given an ancient Black and Decker DNJ62 power drill from my father (who knows even less about DIY than I - which is saying something). Unfortunately he has lost the chuck key for it, ...
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3answers
359 views

Is it normal for a hammer drill bit to wobble?

Last year I bought a Makita HR2470 for home use from German Amazon, because it had many positive reviews. Since then many negative ones appeared saying that the drill bit wobbles. There is also a user ...
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1answer
220 views

Mounting heavy shelves to brick wall

I've an aluminium shelf that's 150cm wide, it came with 8 of these 10x50 plastic plugs and 6x60 universal screws. I've drilled into my masonry wall with a 60mm deep with a masonry bit and installed ...
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1answer
66 views

How to mount a floating shelf on ridged ceramic tile

My bathroom is tiled with an extremely ridged ceramic tile and I would like to mount a floating shelf on the wall. Since the tile is ridged, the tiler is reluctant to drill holes in it for fear of ...
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2answers
438 views

How tight should a screw be screwed in? [closed]

Might sound as a simple question, but I am still confused. As a new learning DIYer, I want to know in more detail on which application how much a screw should be tighten. For example, if I want to ...
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3answers
85 views

How are mini drill bits mounted on a regular sized drill?

I have no prior knowledge of drilling but I've stripped a screw on one of my electronics so I need to drill it out to access the insides for a fix. From basic research, I understand that the 'drill ...
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2answers
60 views

Increasing the Maximum Shank Dia [closed]

There is a device in my head that I know must exist, but I can't seem to find it. I own a drill. Kinda small. It has a small chuck so the shank dia of the drill bits that I can use is limited. Is ...
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1answer
99 views

What is the name of this tool that is used to clamp a piece of wood for drilling?

What is the name of this tool in the picture? It seems that the tool is used to clamp a piece of wood to a furniture to avoid cracking it when drilling holes? What precisely does it do?
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1answer
56 views

How to enlarge lock hole (small mailbox)?

Hi, Had to break my apartment mailbox lock open after the key broke. Been looking and no where seems to have a lock that small. How can I enlarge the current hole? I am far from a hands on guy, ...
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2answers
2k views

what drill bit size to pilot drill hole into stud for 15/64" lag bolt

Im trying to install a tv mount that has no instructions. Using my drill guage plate, 15/64" is the smallest hole these lag bolts can screw into. What size drill bit should I now use for pilot ...
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2answers
291 views

How drill polyurethane properly? [closed]

I am building an electric skateboard for which I bought a pulley with a belt that will transfer torque from the motor. This pulley is mounted on a wheel with 5 M3 screws and here is the problem. All ...
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1answer
117 views

Yes, I'm dumb - I drilled into wall backing my electrical panel

so... I was drilling into a wall and the drill was having a hard time. I figured I just needed to keep going and I did and it finally went through. Afterwards I realized my electrical panel was ...
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2answers
193 views

How to organize drill bits?

I don't have a drill bit set, since I wouldn't use most of the bits in typical sets. I buy individual bits depending on what I need for a project. I now have a motley collection of bits in various ...
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1answer
642 views

Spark While Drilling

I have purchased a Bosch GSB 550 Professional drill. While drilling, I have seen sparks inside the drilling machine, is it common or is it a matter of concern. Appreciate any insight.
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5answers
376 views

Cut rebar in concrete

I opened up a hole in my concrete wall to pass a threaded PVC 2 inch male adapter. On the other side there is an aluminum metal sheet. The problem is that I hit rebar and can not change the position ...