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TCT core drill - how to use?


 
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Chapster

from United Kingdom

Joined: 27 Jan 2008
Posts: 50
Location: Gwynedd,
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PostPosted: Sat Jan 23, 2010 3:19 pm Reply with quote

Hi,

I've got a 110mm TCT core drill very similar to this one:

http://cgi.ebay.co.uk/110mm-SDS-TCT-TUNGSTEN-CORE-DRILL-HOLE-CUTTER-M16_W0QQitemZ380100759873QQcmdZViewItemQQptZUK_Home_Garden_PowerTools_SM?hash=item587fc55141

But as it's the first time I've used one of these (to drill a hole for a dryer vent) I'm not sure whether you're supposed to use hammer action or not when drilling with it.

I've got a 2KG Makita SDS to use with it and have been trying it briefly with hammer action turned off. It's slow going though, through house brick, single layer.

Thanks
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Hitachimad

from United Kingdom

Joined: 06 May 2005
Posts: 611
Location: Somerset,
United Kingdom
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PostPosted: Sat Jan 23, 2010 3:31 pm Reply with quote

If its hard going put it on hammer, TCT ones can be used with or without.

Diamond ones shouldn't be used with hammer.
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neds

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Joined: 18 Nov 2007
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PostPosted: Sun Jan 24, 2010 12:43 pm Reply with quote

I've got a 50mm TCT bit, I never needed to use hammer, and it went straight through the brick. Had to be patient though. Hammer is OK as suggested but be careful these are cheap bits and the little TCT cutters can fall off!
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