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Old 05-21-2020, 08:25 AM
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Default Machinist Squares

Need a set of squares.
The Fowlers are said to be .0006"-0008".
Anyone familiar with these or other recommendations?
A set of Starretts are out of the budget and used on Ebay can be a time waster.

One option might be a 4" Starrett 3020-4 and make/check what I need on the Taig mill.
I might have convinced myself as I type.
Specs are .0002" over 6"

My decades old one needs company.
Mitutoyo table below allows for accurate hole spacing on gunstocks, scope mounts, musical instrument parts etc etc.

Thx
RT
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Old 05-21-2020, 11:00 AM
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Several decades ago a North Carolina buddy upgraded to a 9' pool table and I inherited the three slates from the 7'.
Will set one up on a bench.
I'd let him win occasionally.

My Dad's best run was 56 on a 9'.
At tech school, Lowry '66-'67, the Master Sergeant's assistant, 3 stripes, had hustled every pool hall in Denver and needed to get transferred to afford his lifestyle. A Staten Island boy.

I might get the Starrett 3020-6 but will wait on some replies.

Thx
RT
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Old 05-21-2020, 11:10 AM
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In my opinion STARRETT is the best quality and customer service
With starrett you will not blame the tool for mistakes
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Old 05-21-2020, 11:36 AM
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as a toolmaker with Rockwell International we used Starrett and Brown and Sharpe
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Old 05-21-2020, 11:46 AM
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Be very careful on eBay. There are Chinese Starrett knockoffs there, right down to the box. I bought a No 13 6" double square, and the tell tale was no accuracy certificate and the ends of the blade were rough and not square. I did get my money back to go buy one from a machine tool place; same price as the eBay knockoff, just took longer to get it.
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Old 05-21-2020, 12:06 PM
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Starrett has been declining in quality over the last 30 or so years. Mitutoyo and Brown & Sharpe have kept a high standard over the years. The old Starrett tools that they built their reputation on are very good. New ones may be OK, maybe not.
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Old 05-21-2020, 12:11 PM
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Go on eBay and search for Starret or Brown & Sharp Squares! As I have stated many many times on this Forum, you can get a beautifully made Starrett or Brown & Sharp square for a fraction of what a new one would cost. Many of the used ones were well cared for and are in pristine shape. No need to buy foreign and no need to pay a lot to get a superior tool. That is how I have purchased many Machinists and Mechanics tools including Snap-on at less than half price - and YES Snap-on still honors the warranty (despite what some of the Truck tool guy's will tell you)!
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Old 05-21-2020, 05:00 PM
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Thanks all.
I've lucked out with tools on Ebay so far.
Several old Mitutoyo calipers.
Modified them for lotsa chores.
Fingerboards for guitars/basses.

Tools just get more expensive but Gaboon ebony gets unavailable.
Bought all I could afford after finishing active duty with the USAF in '70.
Started learning instrument work when I was 12 in '59.
Someday I'll get it right.

Have an old Starrett 20/4.5" on the way.
We'll see.

That Mitutoyo table was hardly used and because of a missing dial screw, it only cost me $275.
Retails at $2K
1911 grips at 3.074". 61 plus turns.
Anyone know the actual screw spacing on the Detonics Combat Master?
Would like to get one but a 357/N frame has priority.

The table was a manual from a comparator used for making medical parts and the lab went electric/digital.

Thx
RT

Based on an old set of grips the Detonics appears to be 2.3125" or 2 5/16" grip screw spacing?
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Old 05-21-2020, 07:29 PM
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Try Shars or Grizzly.
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Old 05-21-2020, 11:20 PM
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Quote:
Originally Posted by joe44va View Post
Try Shars or Grizzly.
FWIW, I bought a Shars V-mic ($119) for measuring 5 sided S&W bore slugs about 5 years ago, and it still zeroes perfectly on the standard that came with it.
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Old 05-22-2020, 08:01 AM
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Shars is decent stuff, it isn't inspection room stuff.

We have a few items that we consider shop tools. They work fine, feel decent, and are a decade old. I also like the dial calipers much better than most economy brands.

For used stuff, I like Lufkin, Starrett, Brown and Sharpe, and Mitutoyo.
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Old 05-22-2020, 09:28 AM
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Have a Starrett 20-4.5" on the way.
From the band instrument capitol of the galaxy, Elkhart Indiana.
For saxophones it's Paris.
The 20 series is listed at .0001", this one has some tarnish and the seller said it's in working order.
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Old 05-26-2020, 10:01 PM
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The old Starrett arrived and my old square was still close. Just the decades of scribing put a curve in the blade that can barely pass light thru it. This #20 is just for tool alignment use and checking fixtures etc.
Finding ways to make it easy for those as they develop higher level skills to produce quality grips/stocks, guitars and boat parts in the USA.
Raw materials come from all over the globe but it's nice to make some things here.

German sailing group asked me if I can produce 500 kayaks and give them the European distribution.
When I'm ready, send your kids over here and we'll get them made along with our kids, was my reply.
Fun guys/gals and their families from Hamburg.

Some of my boy's buddies, off active duty, have great boating/fishing skills and their Captain's tickets.
They grew up together.

Money saved on tools buys firearms.
I ain't a cheapskate.
The electric Mitutoyo was bought new.
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