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Hoovie
Devon DIYer
Joined: 27 Jul 2007
Posts: 6610
Location: East Devon
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 Posted: Fri Jul 11, 2008 7:49 pm Post subject: SDS Core Drill Bits |
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I should know this, but just can't suss it out 
I have a set of Silverline Core Drill Bits for an SDS Drill and I just cannot work out how the Auger is securely fitted to the Core 
Is there a standard way this works or does it depend on the make? Need a photo of the kit in question?
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Hitch
Senior Member
Joined: 16 Jan 2006
Posts: 2317
Location: Somerset
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| Posted: Fri Jul 11, 2008 8:05 pm Post subject: |
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I just googled for a pic of a silverline set, looks like the guide bit is fitted into the sds shank/arbour on a taper?
If thats the case, just push it in and give it a tap.
Taper drills are widely used in engineering.
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Hoovie
Devon DIYer
Joined: 27 Jul 2007
Posts: 6610
Location: East Devon
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| Posted: Fri Jul 11, 2008 8:27 pm Post subject: |
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Yup - it is on a taper - I pushed it in but never gave it an extra knock - and then when I started the drill, it just spun off
I will give that a try tomorrow.
Cheers Hitch
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Hitch
Senior Member
Joined: 16 Jan 2006
Posts: 2317
Location: Somerset
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| Posted: Fri Jul 11, 2008 8:41 pm Post subject: |
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I dont think you see this fittment for masonary bits much nowadays, i think ts was called k-taper.
They can be a pain to get aprt once well hammered in there. Should be a drift in the set i expect, a wedge eshape that you hammer through to push the bit out.
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