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

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How to drill and remove inside from precious stone through small hole? [closed]

My friend's trying to drill fist sized precious stone through tiny hole and remove inside.We want to keep outer side intact. He's going to fill and keep oriental medicine inside. But we can't figure ...
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564 views

How can I repair my hammer drill?

I have been using my bosch drill to power a small wood turning lathe. Now the drill is always in hammer drill mode even though it is not switched to hammer drill. I opened the drill up but it looks ...
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182 views

What type of adapter should I use to turn a cordless drill in to a corded drill?

I have old Bosch PSR12 driver/drill that all NiCA are dead. I've modified it successfully to work as Corded after removing batteries and connecting 12V 1.5A (220v) adapter. The drill works but when I ...
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Which batteries are compatible with the DeWalt DW9107?

I have a DeWalt battery charger model# DW9107. Which batteries can I charge in it? It says 14.4volts I have a DeWalt hammer drill model# DCD950B. Will the battery for it, DC9096 work with my ...
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Is this likely to be plasterboard and what to look out for when drilling a hole?

I'm fitting curtain tracks in a loft conversion in a Victorian townhouse (London). I was surprised to see the outside of the wall seems to be just a piece of wood i.e. no brick. The wall is hollow ...
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23 views

how to drill through two different materials

I installed blinds in my kitchen. I put the screws into the wall. The wall was plaster and inside it was a thin metal sheet. The screws were 1/8 inches. So I drilled two holes of 1/8 inches through ...
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25 views

How to drill white Macabus

How to drill 3/8" holes in White Macabus. I've tried masonry bits and a diamond tipped hollow bit,to no avail,I got one hole 3/4 of the way thru until it went dull
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drill 6 inches hole in 10 inches joist [duplicate]

I need to install a wall mount range hood. I would like run the duct into the ceiling and then drill through the 5 floor joists plus 1 rim joist. The joists are 2 by 10 inches. Will it be safe to ...
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2k views

How big a hole do I have to drill in concrete to embed rebar in it?

I have a concrete patio that I'd like to use as the foundation for a CMU wall. I'd like the CMUs to be tied into the patio slab with rebar. I get that the gist is to drill a hole in the slab, put ...
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389 views

How could a power drill trigger switch be damaged when used continuously in variable speed range?

I just acquired a DeWalt DCD790 cordless brushless drill/driver, and going through the manual, on page 10 under Speed Trigger Switch, I find the following: NOTE: Continuous use in variable speed ...
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What is the correct method to determine the drill bit size from the measured threaded diameter?

I'm trying to decide the correct drill bit size for a hole I have to make to fit my thread. I measure the (major) diameter of the threaded section as 0.5325 inches. The threads are not supposed to ...
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Drill tool unable to work when face up

I got a drill tool when I press the handle and face the drill bit up, it does not functioning at all but if I face it down, it works. What is the possible problem?
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209 views

Drilling a hole

I have a set of drill bits but no drill. I need to make a hole in a thin surface prone to splitting and don't have a hand drill or a power drill on hand ; what could I use to make that hole?