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Posted: 3/7/2024 6:01:18 PM EDT
Looking for a set small metric reamers with a 1/4" hex shank. 10mm and smaller. Anyone ever seen such a critter.
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Tennessee Squire
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I have this set, but the gripping shank is the same size as the reamer.
Not really sure if you'd want anything smaller. |
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I don't recall ever seeing any reamers with a hex shank.
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Originally Posted By JLPettimoreIII:
bruh. 87% of Gee Dee couldn't get laid in a Thai brothel with a black AMEX and a kilo of the finest blow on the planet. |
Originally Posted By MethaneMover: Maybe a bridge reamer, but certainly nothing for precision work. Why the hex requirement? View Quote Assembling 3D printed parts. Socket head cap screws. Sometimes the clearance hole for the screw or the counterbore is undersized due to shrinkage. Using a powered 1/4" hex screwdriver to assemble parts. Handy to be able to swap out driver bit for a reamer than having to grab the drill. Hex shanked metric drill bits work good for the clearance holes, but a pointed drill bit is not the best for the counter bore hole. |
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Tennessee Squire
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Originally Posted By SandHillsHillbilly: Assembling 3D printed parts. Socket head cap screws. Sometimes the clearance hole for the screw or the counterbore is undersized due to shrinkage. Using a powered 1/4" hex screwdriver to assemble parts. Handy to be able to swap out driver bit for a reamer than having to grab the drill. Hex shanked metric drill bits work good for the clearance holes, but a pointed drill bit is not the best for the counter bore hole. View Quote View All Quotes View All Quotes Originally Posted By SandHillsHillbilly: Originally Posted By MethaneMover: Maybe a bridge reamer, but certainly nothing for precision work. Why the hex requirement? Assembling 3D printed parts. Socket head cap screws. Sometimes the clearance hole for the screw or the counterbore is undersized due to shrinkage. Using a powered 1/4" hex screwdriver to assemble parts. Handy to be able to swap out driver bit for a reamer than having to grab the drill. Hex shanked metric drill bits work good for the clearance holes, but a pointed drill bit is not the best for the counter bore hole. |
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Originally Posted By JLPettimoreIII:
bruh. 87% of Gee Dee couldn't get laid in a Thai brothel with a black AMEX and a kilo of the finest blow on the planet. |
Originally Posted By MethaneMover: Agreed, and you don't really want reamers so much as a counterbore set. They're piloted and will give a much better hole, IME. View Quote View All Quotes View All Quotes Originally Posted By MethaneMover: Originally Posted By SandHillsHillbilly: Originally Posted By MethaneMover: Maybe a bridge reamer, but certainly nothing for precision work. Why the hex requirement? Assembling 3D printed parts. Socket head cap screws. Sometimes the clearance hole for the screw or the counterbore is undersized due to shrinkage. Using a powered 1/4" hex screwdriver to assemble parts. Handy to be able to swap out driver bit for a reamer than having to grab the drill. Hex shanked metric drill bits work good for the clearance holes, but a pointed drill bit is not the best for the counter bore hole. I've never seen hex shank counterbores either. Seems like tweaking the 3D model to make the holes bigger to allow for shrinkage would be the simple solution. |
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Originally Posted By JLPettimoreIII:
bruh. 87% of Gee Dee couldn't get laid in a Thai brothel with a black AMEX and a kilo of the finest blow on the planet. |
Originally Posted By TinSpinner: I've never seen hex shank counterbores either. Seems like tweaking the 3D model to make the holes bigger to allow for shrinkage would be the simple solution. View Quote If I was the one printing them that would be the case. These are from a kit supplier and it only occurs on certain parts. They are aware of the situation and hopefully the next batch will not have this problem. Originally Posted By MethaneMover: Me neither. Probably because expensive cutter don't go well with impacts. View Quote Not all 1/4" hex drive tools are impacts some are just drivers. |
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Tennessee Squire
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Perhaps use a 1/4 shank drill chuck and put your reamer in that for the quick change.
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Originally Posted By Spaceboy: Perhaps use a 1/4 shank drill chuck and put your reamer in that for the quick change. View Quote No as it would get too unwieldly to handle with all the weight out front. But you have given me an idea of how to setup a hand tool. Since these are plastic parts, I could almost ream them by hand but cant grip the reamer. Why not take that 1/4" hex shank drill chuck and put it on the end of a hex drive manual screw driver handle. Doesn't have to be an expensive or precise chuck just something to grip the reamer. Probably just grip chuck as a handle. |
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Tennessee Squire
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Perfect application for a pin chuck if .25" is the max diameter
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Tennessee Squire
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Hand and taper reamers have sq shanks. $25 for a set
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Why not a cheap 1/4 drive 10mm drill bit with a hex shank. Cut the flutes off or all but the last bit of flutes off and grind the nub of drill shank like it was a two flute one size unibit? Or get the 10mm drill bit and make it a flat point bit on a bench grinder. It's plastic you're cutting, you could probably chuck it up in a drill motor as is and run the drill backwards against the wheel to turn down the first 1/2" to your through hole size too and use that as a pilot.
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Originally Posted By TinSpinner: I've never seen hex shank counterbores either. Seems like tweaking the 3D model to make the holes bigger to allow for shrinkage would be the simple solution. View Quote View All Quotes View All Quotes Originally Posted By TinSpinner: Originally Posted By MethaneMover: Originally Posted By SandHillsHillbilly: Originally Posted By MethaneMover: Maybe a bridge reamer, but certainly nothing for precision work. Why the hex requirement? Assembling 3D printed parts. Socket head cap screws. Sometimes the clearance hole for the screw or the counterbore is undersized due to shrinkage. Using a powered 1/4" hex screwdriver to assemble parts. Handy to be able to swap out driver bit for a reamer than having to grab the drill. Hex shanked metric drill bits work good for the clearance holes, but a pointed drill bit is not the best for the counter bore hole. I've never seen hex shank counterbores either. Seems like tweaking the 3D model to make the holes bigger to allow for shrinkage would be the simple solution. McMaster-Carr has them. |
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The only ones I found were tapered reamers and also much large sizes than I want.
https://www.mcmaster.com/products/reamers/reamers-4~/shank-type~hex/system-of-measurement~metric/ |
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Tennessee Squire
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