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Do-It-Yourself (DIY) Question & Answer Forum
Drilling through Eco joists
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<blockquote data-quote="Sharpend" data-source="post: 512666" data-attributes="member: 17152"><p>You want the cheaper flat bits that don’t have the screw centre they also don’t have the tips on the wings so cutting edge is flat. </p><p> </p><p></p><p>It’s fine to drill through with large holes for ducting but you do have to keep the distances of centres apart from other holes. </p></blockquote><p></p>
[QUOTE="Sharpend, post: 512666, member: 17152"] You want the cheaper flat bits that don’t have the screw centre they also don’t have the tips on the wings so cutting edge is flat. It’s fine to drill through with large holes for ducting but you do have to keep the distances of centres apart from other holes. [/QUOTE]
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Drilling through Eco joists
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