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Caliper recommendation
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Picture of Beretta682E
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What caliper is recommended for measuring groups.

I am using a $3 harbor freight one and need to upgrade. The harbor freight ones are cheap and I lose a bunch.

Looking for something electronic and stainless steel.

Thanks,

Mike


Every man has a right to his opinion, but no man has a right to be wrong in his facts.

Bernard Baruch
 
Posts: 11450 | Location: Cocoa Beach, Florida | Registered: 22 July 2010Reply With Quote
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I found a rcbs caliper in my box of unopened reloading stuff.

I will use it till I lose or break it.

Will be on the look out for a good caliper.

Mike


Every man has a right to his opinion, but no man has a right to be wrong in his facts.

Bernard Baruch
 
Posts: 11450 | Location: Cocoa Beach, Florida | Registered: 22 July 2010Reply With Quote
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just a thought, but you might try using "Range Buddy" or some similar phone based app to snap pictures and get automatic group sizes identified.
 
Posts: 155 | Location: West Virginia | Registered: 13 April 2008Reply With Quote
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What do you use to measure OAL and other things while loading, and why not use them?
 
Posts: 138 | Location: South Africa | Registered: 28 April 2020Reply With Quote
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Starrett


The only easy day is yesterday!
 
Posts: 2710 | Location: Western Cascade Mountains | Registered: 22 September 2005Reply With Quote
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quote:
Originally posted by Pegleg:
Starrett


tu2
 
Posts: 2163 | Location: KENAI, ALASKA | Registered: 10 November 2001Reply With Quote
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We use INSIZE.

These are available here, and are extremely accurate and reasonable priced.

Starret are great, but are ridiculously expensive here.

We use INSIZE measuring tools of all types, including a bench mounted micrometer that goes to 5 places of decimal.


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Posts: 54380 | Location: Dubai, UAE | Registered: 08 January 1998Reply With Quote
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I’ve got a Mitutoyo that’s damn good.
 
Posts: 6993 | Registered: 31 January 2005Reply With Quote
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quote:
Originally posted by Beretta682E:
What caliper is recommended for measuring groups.

I am using a $3 harbor freight one and need to upgrade. The harbor freight ones are cheap and I lose a bunch.

Looking for something electronic and stainless steel.

Thanks,

Mike


Mike your problem is the operator..... Big Grin
 
Posts: 38649 | Location: Crosby and Barksdale, Texas | Registered: 18 September 2006Reply With Quote
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quote:
Originally posted by JTEX:
quote:
Originally posted by Beretta682E:
What caliper is recommended for measuring groups.

I am using a $3 harbor freight one and need to upgrade. The harbor freight ones are cheap and I lose a bunch.

Looking for something electronic and stainless steel.

Thanks,

Mike


Mike your problem is the operator..... Big Grin


Most likely - I never had to a take a course in caliper use.

Besides it is to measure and send you my blaser groups. You don’t like my $3 harbor freight plastic one. Fu@king elitist Big Grin

Mike


Every man has a right to his opinion, but no man has a right to be wrong in his facts.

Bernard Baruch
 
Posts: 11450 | Location: Cocoa Beach, Florida | Registered: 22 July 2010Reply With Quote
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We have close to fifty at work that I get checked for calibration. The mitatoya give me the least problems. I like the coolant proof ones. MSC or Travers usually have them on sale.
 
Posts: 1268 | Location: N.J | Registered: 16 October 2004Reply With Quote
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#1- Starrett

#2- Mitutoyo

I have taught Machining Technology for 19 years. When I was hired, I bought Starret dial calipers. They are still going strong.

My son was just hired as a Machinist. His co-workers recommended digital mitutoyo. He bought the Mitutoyo and likes them.

It’s hard to go wrong with either. Starrett products are quality and well made.
 
Posts: 1891 | Location: Utah | Registered: 23 February 2011Reply With Quote
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Odds are anything further down than a tenth of an inch in the absence of some sort of centering device is statistically meaningless.

Can you reproduce your measurements with the calipers down to 0.01”?

If not, don’t bother with calipers, a simple plastic ruler is adequate.
 
Posts: 6366 | Location: Minnesota USA | Registered: 15 June 2007Reply With Quote
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I worked in manufacturing 50 years and 10 years of that I set up and managed the calibration labs at 2 different companies.
Starrett dial calipers were basic trash can material because there were no repair option or parts available.
Mitutoyo dial calipers were much more dependable.
I avoided all digital calipers due to dead batteries and poor repair capability.

If you cannot afford the Mitutoyos just get the $20 stainless calipers at Harbor Freight.
They are durable and accurate enough for handloading. If they give you trouble just toss them and buy new ones. Mine are 20 years old and still work well though they have had heavy use.
 
Posts: 35 | Registered: 08 August 2019Reply With Quote
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