I need to find a supplier of a good quality core type drill or
equivalent suitable for drilling limestone/marble.

This is for holes for the operating lever and spout of a Hansgrohe
faucet. The brass fitting is already installed in the wall behind the
drywall and has two plastic tubes as shields to keep out the building
crud. These are 51mm diameter and after tiling will be cut to be
about 1-2mm proud of the tile surface.

The lever assembly and spout have round escutcheons of 68mm, so I am
thinking to make the holes some size in between to allow for fine
adjustment of the tiles while not getting close to risking the hole
showing after the metal components are added at the end. This would
imply a drill of around 55-57mm or thereabouts, but I can't seem to
find a supplier.

Does anybody know of one? I would rather go for a reasonably known
quantity rather than Ebay or equivalent.

thanks

..andy

Andy Hall wrote:

I need to find a supplier of a good quality core type drill or
equivalent suitable for drilling limestone/marble.

They usually cut reasonably easily. Either diamond core or a grit edged
core will do those.

This is for holes for the operating lever and spout of a Hansgrohe
faucet. The brass fitting is already installed in the wall behind the
drywall and has two plastic tubes as shields to keep out the building
crud. These are 51mm diameter and after tiling will be cut to be
about 1-2mm proud of the tile surface.

The lever assembly and spout have round escutcheons of 68mm, so I am
thinking to make the holes some size in between to allow for fine
adjustment of the tiles while not getting close to risking the hole
showing after the metal components are added at the end. This would
imply a drill of around 55-57mm or thereabouts, but I can't seem to find
a supplier.

52mm is a common core size:
http://www.transtools.co.uk/store/pr...m-x-150mm.html

If that is going to be too tight you could try the larger one in this set:
http://www.toolstation.com/search.html?searchstr=11059



--
Cheers,

John.

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On 2007-06-27 20:00:42 +0100, John Rumm said:

Andy Hall wrote:

I need to find a supplier of a good quality core type drill or
equivalent suitable for drilling limestone/marble.

They usually cut reasonably easily. Either diamond core or a grit edged
core will do those.

This is for holes for the operating lever and spout of a Hansgrohe
faucet. The brass fitting is already installed in the wall behind the
drywall and has two plastic tubes as shields to keep out the building
crud. These are 51mm diameter and after tiling will be cut to be
about 1-2mm proud of the tile surface.

The lever assembly and spout have round escutcheons of 68mm, so I am
thinking to make the holes some size in between to allow for fine
adjustment of the tiles while not getting close to risking the hole
showing after the metal components are added at the end. This would
imply a drill of around 55-57mm or thereabouts, but I can't seem to
find a supplier.

52mm is a common core size:
http://www.transtools.co.uk/store/pr...m-x-150mm.html

If

that is going to be too tight you could try the larger one in this set:
http://www.toolstation.com/search.html?searchstr=11059

Thanks John

I think that 52 would be. Although the intended tiles are sawn, I am
not sure that tolerances are that close.

57 would seem to be a better option

On Jun 27, 10:08 pm, Andy Hall wrote:
On 2007-06-27 20:00:42 +0100, John Rumm said:





Andy Hall wrote:

I need to find a supplier of a good quality core type drill or
equivalent suitable for drilling limestone/marble.

They usually cut reasonably easily. Either diamond core or a grit edged
core will do those.

This is for holes for the operating lever and spout of a Hansgrohe
faucet. The brass fitting is already installed in the wall behind the
drywall and has two plastic tubes as shields to keep out the building
crud. These are 51mm diameter and after tiling will be cut to be
about 1-2mm proud of the tile surface.

The lever assembly and spout have round escutcheons of 68mm, so I am
thinking to make the holes some size in between to allow for fine
adjustment of the tiles while not getting close to risking the hole
showing after the metal components are added at the end. This would
imply a drill of around 55-57mm or thereabouts, but I can't seem to
find a supplier.

52mm is a common core size:
http://www.transtools.co.uk/store/pr...nd-cutting/tct...

If



that is going to be too tight you could try the larger one in this set:
http://www.toolstation.com/search.html?searchstr=11059

Thanks John

I think that 52 would be. Although the intended tiles are sawn, I am
not sure that tolerances are that close.

57 would seem to be a better option- Hide quoted text -

- Show quoted text -


Try Richon tools in china.
http://www.richontools.com/. They specialise in diamond coated holes
saws although you might need a pillar drill.

On 2007-06-27 23:21:31 +0100, said:


Try Richon tools in china.
http://www.richontools.com/. They specialise in diamond coated holes
saws although you might need a pillar drill.

Thanks, I'll take a look, although they are in Hong Kong. Product
prices are surprisingly low ($6), but shipping is $20. Not a
problem I suppose since it nets out to £15 - not that the price within
reason is a biog issue
I have a drill press.