I'm looking for a way to make a 34mm hole on my lathe. ATM my largest drill is 1". I could drill the initial hole with this and enlarge it with a boring bar but they will be a PITA for large production runs.
So basically, I'm looking for a way to bore a hole in a plastic such as HDPE around 110mm deep. I can make the bit or buy it. Preferably not spending too much. Perhaps a spade bit?
thanks
I need to make a 34mm hole..
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inonickname
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jakethebeast
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hmm spade bit would work, but take it slowly
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Crna Legija
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you could also use a Forstner bit, tho spade bit should work
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mobile chernobyl
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Does the whole drilled need a smooth enough inside wall to seal against?
Depending on the depth, and if its a through hole, look for the appropriate sized hole saw.
Depending on the depth, and if its a through hole, look for the appropriate sized hole saw.
A spade drill close to 34mm should do then all you have to do is make a type of reamer to ream it to final size. A reamer 34mm in diameter would be expensive, but you don't have to buy one.
reamers can be homemade here is a pic of some homemade reamers
reamers can be homemade here is a pic of some homemade reamers
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