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Old 02-21-2008, 07:45 PM   #1 (permalink)
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Freak Kits Aluminum Vs Stainless

Hi all ...

Quick, possibly stupid question.... other than the obvious difference better aluminum and stainless.... Is the a quality difference ??? bores and also the fit when used with any backs....

Looking to buy it once and use for testing / playing...

background story... I just got a new toy.. Bore-Micrometer and I'd like to test it out against the inserts and maybe use them to calibrate it.. It's not digital it's a old mechanical one so I need to learn how to read it... Yes I know how to read a MIC... this one is just driving me a little batty... something feels off...

anyway.... any input is appreciated....

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Old 02-21-2008, 07:50 PM   #2 (permalink)
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if something feels off about that bore mic, calibrate it with a calibrated outside micrometer, so that you can see if the readings are the same? other than that, im not too sure about the aluiminum vs ss freak inserts, though i woudl prefer brass
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Old 02-21-2008, 07:58 PM   #3 (permalink)
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I've read that SP has some QC issues with their Freak inserts or has in the past..things being mislabeled, or off in size. So you might want to considering something else as a calibration tool.

Plus, come on..it's SP...

I believe the difference is the thickness of the material. The Al inserts are very very thin at the larger bore sizes, so you can't get the biggest size with the Al or the smallest size (reball) in stainless. But this is all from memory..maybe someone else can elaborate.
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Old 02-21-2008, 08:05 PM   #4 (permalink)
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Cheesy pic's .... Brown and Sharpe .600-.700 scale came with a .599 calibrate ring.... but when I open the mic to 599 it seems past the 610 mark.. it's got a nice locking feature so if I had some established accurate bores I could open it to said size then compare with another piece...



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Old 02-21-2008, 09:53 PM   #5 (permalink)
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Hey Latoolman, there is a define OD size difference between the stainless and aluminum. I was tinkering with my frantom barrel for my phantom. The S.S. ones fit, but the aluminum doesn't. I think it has to do with how the barrel is bored. SP has Orings, my frantom is bored to size. Pm me if you want.
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Old 02-21-2008, 11:20 PM   #6 (permalink)
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I've read enough that I sure would not trust the Freak inserts or any other paintball barrel to use for a calibration tool either.

.599 seems like an odd size for a calibration guage. You'd think that it would be .600 right on the nose.

But in any event .599 to .610 is a HUGE jump. Check the ring guage with a regular ol' caliper be it vernier, dial or digital The inside forks will tell you if it's in the ballpark and it'll sure as blazes see an .011 difference.
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Old 02-21-2008, 11:39 PM   #7 (permalink)
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SS inserts are more stable and usually numerically closer then AL inserts.

Is that gauge ring marked as .599 ? If you do not have a gauge block to set you mics or calipers you can use a quarter inch grade 25 ball bearing (.25000")
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Old 02-23-2008, 11:31 AM   #8 (permalink)
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Off topic but I love Brown & Sharpe tools. I had a cnc machinist I worked with swear by them when I busted my starretts so I bought some and swaer by them myself.
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Old 02-24-2008, 09:07 PM   #9 (permalink)
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The paintball barrel test that the guy from PBN did showed that the bore size engraved on the outside of the insert had very little in common with the internal diameter. Some were close but some were way off and that was both the aluminum and SS. The size engraved on the outside really doesn't matter because you just match up the paint to whichever insert it fits best and the number is just kind of an FYI thing. The numbers just help you find the right size quicker. My biggest problem with the terrible QC is that you may get a kit with several inserts that are almost the same ID even though they're labeled differently and never find an insert that fits right.
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Old 02-24-2008, 09:24 PM   #10 (permalink)
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thanks guys..... i've seen the error in my way I was thinking....

Hanging with RainMan last night...

I come to understand these types of Mic's are you for verifying bore size not really for measuring as much... it would work like that but it's kind of a pain...

better idea we came up with was just putting some delrin stock on the Lathe and turning down several pieces to the assorted size and use them as a way to gauge bore... seems simple and cheap to try...


Hey it was an excuse for the ToolMan to buy another tool
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Quote:
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A KL is like a samuri sword and should reflect the soul of the owner.
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We came up with a plan... it involved a hijacked truck, two strippers, and lots of brass...
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