Triassic Posted February 20, 2019 Share Posted February 20, 2019 I’ve just started first fix plumbing, by drilling holes in the timber frame for the pipes, using my old but trusty spade bit. Three holes later and it’s blunt! I’m thinking I need something better, but what? Can anyone recommend a make of good quality wood drill bits? Link to comment Share on other sites More sharing options...
dpmiller Posted February 20, 2019 Share Posted February 20, 2019 I got a Bosch Daredevil bit a few months back and it fair chews through wood on the impact driver. Nasty thing. Link to comment Share on other sites More sharing options...
bassanclan Posted February 20, 2019 Share Posted February 20, 2019 This is what you want https://www.axminster.co.uk/armeg-wood-beaver-drill-bits-ax783344 (Not necessarily from Axminster, that just appeared at the top of the Google search) Link to comment Share on other sites More sharing options...
scottishjohn Posted February 20, 2019 Share Posted February 20, 2019 (edited) 1 hour ago, Triassic said: I’ve just started first fix plumbing, by drilling holes in the timber frame for the pipes, using my . Three holes later and it’s blunt! I’m thinking I need something better, but what? Can anyone recommend a make of good quality wood drill bits? "old but trusty spade bit"--think thats says it alL have you sharpened it ever?--try that while waiting for new goodies# the type suggested are superior no question about it Edited February 20, 2019 by scottishjohn Link to comment Share on other sites More sharing options...
PeterW Posted February 20, 2019 Share Posted February 20, 2019 Depending on the size of hole, I use either Armeg ones or a decent lip and spur drill bit. Make holes for 15mm pipe a 20mm minimum and you won't snag or score when pulling Hep2O through the joists. Link to comment Share on other sites More sharing options...
Triassic Posted February 20, 2019 Author Share Posted February 20, 2019 1 hour ago, scottishjohn said: "old but trusty spade bit"--think thats says it alL have you sharpened it ever? Is probably been sharpened too many time, hence won’t hold an edge. Link to comment Share on other sites More sharing options...
Cpd Posted February 20, 2019 Share Posted February 20, 2019 2 hours ago, bassanclan said: This is what you want https://www.axminster.co.uk/armeg-wood-beaver-drill-bits-ax783344 (Not necessarily from Axminster, that just appeared at the top of the Google search) ‘I used something similar and it was great, if you hit a nail it’s not the end of the world.... whereas if you hit a nail with your big un then it’s devastating! It’s all about balance...... has this bad boy for years and years and when needed it’s just the best. Link to comment Share on other sites More sharing options...
Pete Posted February 20, 2019 Share Posted February 20, 2019 2 hours ago, bassanclan said: This is what you want https://www.axminster.co.uk/armeg-wood-beaver-drill-bits-ax783344 (Not necessarily from Axminster, that just appeared at the top of the Google search) +1 to the above Link to comment Share on other sites More sharing options...
Crofter Posted February 20, 2019 Share Posted February 20, 2019 Another happy Armeg Beaver customer here. I've got the one, a 12mm, but it has done a ridiculous amount of work for me. The ring beam that my house sits on is made of two layers of 75mm douglas fir, sistered up, and held together with literally hundreds of 150mm bolts. The Armeg in my impact driver drilled every one of those holes, no sweat, and continues to be my best and sharpest drill bit. In fact I think I may have just talked myself into getting a full set of them... Link to comment Share on other sites More sharing options...
Triassic Posted February 21, 2019 Author Share Posted February 21, 2019 Whilst on the subject of drilling holes in wood. The MVHR duct pipe needs installing next, what sort of drill you all use to drill through the studs etc? Link to comment Share on other sites More sharing options...
Miek Posted February 21, 2019 Share Posted February 21, 2019 22 minutes ago, Triassic said: Whilst on the subject of drilling holes in wood. The MVHR duct pipe needs installing next, what sort of drill you all use to drill through the studs etc? What size holes? Through 50mm studs? Hole saws on wood are bit bit of a ball ache IMO. OK on thinner material, like Steico Web. Link to comment Share on other sites More sharing options...
Triassic Posted February 21, 2019 Author Share Posted February 21, 2019 From what I’ve read the plastic flexible duct is 83mm in diameter. Holes to be drilled mainly through 50mm Studs. Link to comment Share on other sites More sharing options...
Jeremy Harris Posted February 21, 2019 Share Posted February 21, 2019 16 minutes ago, Triassic said: From what I’ve read the plastic flexible duct is 83mm in diameter. Holes to be drilled mainly through 50mm Studs. The majority of it is 75mm OD, 63mm ID, although there is one brand that's 83mm OD, not sure it's that commonly used though, as there are half a dozen suppliers of the 75/63 stuff. Link to comment Share on other sites More sharing options...
scottishjohn Posted February 21, 2019 Share Posted February 21, 2019 one from china maybe http://www.aliexpress.com/store/product/85mm-3-346-Cutting-Diameter-Hinge-Boring-Drill-Bit-Woodworking-Hole-Saw-Wood-Cutter-Silver-Tone/1266465_32354432335.html#! Link to comment Share on other sites More sharing options...
joe90 Posted February 21, 2019 Share Posted February 21, 2019 (edited) I used these fir MVHR duct, if not deep enough drill from both sides (using the pilot drill as guide fir second cut) https://www.ebay.co.uk/itm/60-100mm-M42-Metal-Hole-Saw-Holesaw-Cut-Arbor-Pilot-Drill-Bit-Wood-Plastic-w-Rod/122951642834?hash=item1ca07d2ed2:m:mNx1e8Qeo7ggwePJAGqnpjA Edited February 21, 2019 by joe90 Link to comment Share on other sites More sharing options...
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