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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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CO, USA
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Posted: 3/7/2024 7:09:28 PM EDT
[#1]
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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MT, USA
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Posted: 3/7/2024 11:38:37 PM EDT
[#2]
I don't recall ever seeing any reamers with a hex shank.
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ID, USA
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Posted: 3/9/2024 1:13:33 AM EDT
[#3]
Quote HistoryOriginally Posted By Third_Rail: I don't recall ever seeing any reamers with a hex shank. This. . |
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Posted: 3/17/2024 12:54:18 AM EDT
[#4]
Quote HistoryOriginally Posted By Third_Rail: I don't recall ever seeing any reamers with a hex shank. Why the hex requirement? |
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Posted: 3/17/2024 3:43:09 PM EDT
[#5]
Quote HistoryOriginally 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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Posted: 3/17/2024 5:08:42 PM EDT
[#6]
Quote HistoryOriginally 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. Quote HistoryOriginally 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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GA, USA
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Posted: 3/18/2024 10:53:32 AM EDT
[#7]
Quote HistoryOriginally 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. Quote HistoryOriginally 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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Posted: 3/18/2024 1:17:37 PM EDT
[Last Edit: MethaneMover]
[#8]
Quote HistoryOriginally 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. 
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Posted: 3/18/2024 4:23:04 PM EDT
[#9]
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. 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. Not all 1/4" hex drive tools are impacts some are just drivers. |
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TN, USA
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Posted: 3/19/2024 6:36:11 AM EDT
[#10]
Perhaps use a 1/4 shank drill chuck and put your reamer in that for the quick change.
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Posted: 3/19/2024 6:28:51 PM EDT
[#11]
Quote HistoryOriginally Posted By Spaceboy: Perhaps use a 1/4 shank drill chuck and put your reamer in that for the quick change. 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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GA, USA
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Posted: 3/20/2024 11:02:52 AM EDT
[#12]
Perfect application for a pin chuck if .25" is the max diameter
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Posted: 3/20/2024 12:58:45 PM EDT
[#13]
Quote HistoryOriginally Posted By TinSpinner: Perfect application for a pin chuck if .25" is the max diameter I agree but 6mm reamer would be the largest one to fit. |
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Posted: 3/20/2024 7:54:19 PM EDT
[Last Edit: SnoGoRider]
[#14]
Hand and taper reamers have sq shanks. $25 for a set
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