Hole gauges

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AndyC1911
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Hole gauges

#1

Post by AndyC1911 »

I was looking into getting pin gauges to measure various holes eg. each chamber in a revolver cylinder to calculate the correct sizing for cast bullets - but pin gauges are a bit of a pain to assemble one-by-one from MSC or whomever and I happy discovered 'Small Hole Gauges' instead:

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Pretty cool - inexpensive around $16 for the set and very handy. As you might tell from the pic, each one is adjustable by dialing the knob at the end which retracts the center piece and thereby expands the ball while inside a hole - then pull the ball out and measure with calipers or micrometer.

Far less expensive and fiddly than pin gauges.
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cheezit
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Re: Hole gauges

#2

Post by cheezit »

Industry term is a ball gauge, at least in the machine shops and car dealers I'm familiar with called them such.

K.Mooneyham
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Re: Hole gauges

#3

Post by K.Mooneyham »

Well, now you've gone and done it, Andy. You've shown me another set of tools that I now have to go and buy. :lol:
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AndyC1911
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Re: Hole gauges

#4

Post by AndyC1911 »

cheezit wrote: Mon Jan 17, 2022 6:50 pm Industry term is a ball gauge, at least in the machine shops and car dealers I'm familiar with called them such.
Ball gauge - cool, a new term for me :)
K.Mooneyham wrote: Tue Jan 18, 2022 2:41 am Well, now you've gone and done it, Andy. You've shown me another set of tools that I now have to go and buy. :lol:
"Yeah! Ain't it cool??" - Vic Deakins, Broken Arrow

Just think how much money you'll have saved on pin-gauges ;)
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puma guy
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Re: Hole gauges

#5

Post by puma guy »

AndyC1911 wrote: Tue Jan 18, 2022 8:29 pm
cheezit wrote: Mon Jan 17, 2022 6:50 pm Industry term is a ball gauge, at least in the machine shops and car dealers I'm familiar with called them such.
Ball gauge - cool, a new term for me :)
K.Mooneyham wrote: Tue Jan 18, 2022 2:41 am Well, now you've gone and done it, Andy. You've shown me another set of tools that I now have to go and buy. :lol:
"Yeah! Ain't it cool??" - Vic Deakins, Broken Arrow
Just think how much money you'll have saved on pin-gauges ;)
:lol: There you have it! Gotta buy some myself to save some money.
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