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Tim Sampson
 
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Default How do I make a neat hole through a 60cm weall for a combi flu pipe

Jo wrote:
Thanks for all the tips.

What is an 'SDS' drill ?


SDS stands for splined drive system (CMIIW), but "SDS drill" tends to mean
beefy drill that will bash it's way through concrete and stuff in a way that
normal hammer drills can only dream of.

Cheers
Tim