Do drill bits for use in ordinary "home use" drills get blunt with the result that they work less well?I ask this because I recently used my hammer drill to make some 6mm holes in masonry in the concrete ceiling above me and it seemed like very slow work. When I used a smaller drill bit of about 4 to 5 mm in the same masonry material then it was much, much easier to make the hole. I used a vaccum cleaner to suck up particles and to prevent the bit clogging with concrete dust.Of course the smaller bit makes a hole with a smaller area but the difference seemed far greater than this. I wonder if my 6mm drill bit (and maybe others) need replacing?This is the type of drill bit I used:

Do masonry drill bits get blunt?

May 13, 2005 25 Replies

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Rick 21 years ago

Yes

Rick

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maradcliff 21 years ago

And who appointed YOU as usenet police?

My solution is this: Bend Over so I can test my boots..............

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SteveB 21 years ago

It's nice to live in a perfect world, isn't it? Where everything goes according to plan, where you don't have to figure things out, and where everyone does it YOUR way.

Welcome to reality, pal.

Steve

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Bill Woods 21 years ago

I don't understand.

What is the difference between a masonry bit and a bit for a hammer drill?

(I do not think you are referring to SDS.)

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Rudy 21 years ago

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John Rumm 21 years ago

This is probably a country specific terminology thing then...

(I take it you are not in the UK?)

In UK terminology, the masonry bit pictured by the OP would be used in a conventional "hammer drill", but not a "SDS Drill", or "Rotary Hammer".

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