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09-24-2018, 10:39 PM | #1 |
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Dial bore guages
Looking for some input on dial bore guages.
The prices range from $60.00 to $170 for the cheaper brands but I am wondering if the quality is also different. They all seem to be exactly the same in appearance. I see a lot of Subi you tubers using phase II brand and Fowler.
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09-25-2018, 06:33 AM | #2 |
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yes, the quality will be different like anything
depends how much you will use it for one build or years to come? spend accordingly |
09-29-2018, 10:52 PM | #3 |
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thanks rtv.
I would hope the more you pay the better you get but they all look exactly the same apart from Sunnen, Mitutoyo, Bowers. You would be annoyed if you paid $150.00 usd and it was the same as the $50.00 one |
09-30-2018, 10:58 AM | #4 |
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Id say Fowler or Mitutoyo would be good brands to stand behind when it comes to entry level kits. Youll have to get into some of the higher price ranged kits, if your looking for something different then a generic kind if kit.
I personally use Starrett stuff for the most part. |
10-01-2018, 09:10 AM | #5 | |
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Quote:
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10-01-2018, 11:45 AM | #6 |
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There isn't really a lot to the internals of these things. It's nice to have some smoother movement but I'm not sure if the actual measurement is that different (accuracy). |
10-01-2018, 12:03 PM | #7 |
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It is sorta like any tool. If you once or twice, most will be fine. You use it a lot, the better stuff maintains usefulness, lasts longer, less fiddely, warranty if needed.
Bore gauges should have a calibration ring so it's set up right. The best tool, used wrong, still gives garbage info. The worst tool, used right, can be acceptable. At least a few times. I tend to use decent Mitutoyo or Starrett since I may use them a lot. |
10-01-2018, 12:55 PM | #8 |
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A common practice for low to mid level tools is that there are usually 3 quality levels. All are made at the same factory. When the item comes off the assembly line it is tested. The ones with the highest accuracy get labeled one brand, the middle ones another brand, and the worst are the no name cheapo stuff. Look at lathes or mills from harbor freight, grizzly, and enco.
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10-01-2018, 01:07 PM | #9 |
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Pretty much on what everyone is saying.
If it's going to be a professionally used tool: day in day out and needs to be relied upon, Starrett gets my vote. I'd then put Mitutoyo as the middle option. I'd then put Fowler as the nice entry level. Good enough for a serious home/hobby builder. Be sure your gauge has the appropriate scale for what you'll be measuring (i.e. pistons versus bearings). |
10-03-2018, 08:18 AM | #10 | |
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Quote:
1) Not sure if you are aware, but those are dial indicators and the OP's topic is bore gauges. Not even remotely similar, and a dial indicator doesn't even measure anything, it simply indicates run out when a machinist sets up. A bore gauge measures a bore accurately to a tenth, and like Charley said they have to be set up to a specific, small range, which is why they are so accurate. So not only you need the gauge, but the set up device as well. 2) Not only was that guy not talking about bore gauges, he didn't even understand how to use his calipers vs a mic. Anybody who uses those devices knows calipers are good to about .005. He's using calipers to double check a mic and talking about how it's .001 off. It's .001 off because they are not accurate to .001, that's the whole reason mics exist. take away. . . .that video sucks |
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11-06-2023, 05:06 PM | #11 |
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Dial Bore
Fowler makes a decent setup for around $120 although, they’re mostly made in China now. Verified with Mitutoyo mic as a dial bore gauge is a comparator technically.
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