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Rifles, Reloading, Optics, Equipment
Reloading
Calipers, micrometer, & dial indicator - one not like the others
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<blockquote data-quote="boomtube" data-source="post: 269432" data-attributes="member: 9215"><p>The ONLY way to find out if a mic, capiper, etc, reads "right" is to measure a known accurate block with it. That can require a trip to a standards and calibration lab, expensive too. </p><p> </p><p>Alternate, and likely just a good for most of us, is to find a machine shop that has a set of Johanson Blocks and see if they will let you take a few readings off them. Jo blocks are VERY accruate even tho they are rarely sent to a standards lab for certfication. </p><p> </p><p>I lucked onto two Jo blocks, .33" and 1.0", a few years back. They insure all the accuracy I really need for my reloading gages.</p></blockquote><p></p>
[QUOTE="boomtube, post: 269432, member: 9215"] The ONLY way to find out if a mic, capiper, etc, reads "right" is to measure a known accurate block with it. That can require a trip to a standards and calibration lab, expensive too. Alternate, and likely just a good for most of us, is to find a machine shop that has a set of Johanson Blocks and see if they will let you take a few readings off them. Jo blocks are VERY accruate even tho they are rarely sent to a standards lab for certfication. I lucked onto two Jo blocks, .33" and 1.0", a few years back. They insure all the accuracy I really need for my reloading gages. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Calipers, micrometer, & dial indicator - one not like the others
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