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Miniature Dial Indicators Group 0

Model Equivalents

This page is designed to help you find equivalents to miniature dial indicators which you might own or want to replace. It will show the new models when others have become obsolete. It can also help you find better quality equivalents or—vice versa—cheaper alternatives.

Miniature indicators are often refered to as AGD Group 0 and they have bezel diameters of about 1.25" (more or less).

  • If you are looking for indicators with larger diameter bezels (approx. 40 or 58 mm) please see our index.

We have taken the major parameters into account: the range, the graduations, the dial diameter and the stem diameter. On metric models, the stem diameter is 8 mm and on inch models the stem diameter is 3/8" unless otherwise noted. Many miniature models with different stem diameters will take non-standard contact points. Refer to the notes below.

Some indicators ship with a lug back, others have flat backs and lug backs need to be ordered separately. There will of course be some variation from one manufacturer to another. For a detailed comparison of manufacturers and brand names, refer to page 14.

Where they're made:

  • Federal: USA and/or Germany
  • Kafer: Germany and/or China
  • Mitutoyo: Japan
  • Starrett: USA and/or China

Many manufacturers have discontinued this size dial indicator. Discontinued models are no longer included in this listing.This page does not pretend to be exhaustive or complete. We have focused on some of the better-known and more readily available indicators in the U.S. market. Items with links will take you to pages with further details.

Starrett 80-114J miniature dial indicator

Starrett 80-114J is an example of the miniature Group 0 dial indicator. The stem diameter and contact point thread are non-standard.

Graduations Range Back Stem Ø Dial Brand Model No. Thread size
.001" .05" lug 7/32" 0-20-0 Starrett 80-144J 10BA
.001" .1" flat 3/8" 0-20-0 Federal A6Q 10BA
.001" .1" flat 3/8" 0-20-0 Mitutoyo 1921TB-10 4-48
.0005" .02" flat 3/8" 0-20 Kafer KZ6T 4-48
.0005" .05" flat 3/8" 0-10-0 Mitutoyo 1923TB-10 4-48
.0005" .05" lug 3/8" 0-10-0 Mitutoyo 1923T-10 4-48
.0005" .05" flat 3/8" 0-10-0 Federal A3Q 10BA
.0005" .05" flat 7/32" 0-10-0 Starrett 80-134J 10BA
.0001" .01" lug 7/32" 0-2-0 Starrett 80-114J 10BA
.0001" .025" lug 3/8" 0-5-0 Mitutoyo 1925T-10 4-48
.0001" .025" lug 7/32" 0-5-0 Starrett 80-111J 10BA
0.01 mm 2.5 mm lug 8 mm 0-50-0 Mitutoyo 1911T-10 M2.5
0.01 mm 3 mm flat 8 mm 0-25-50 Kafer KM6T M2.5
0.01 mm 3.5 mm flat 8 mm 0-25-50 Kafer MU28 M2.5
0.002 mm 0.5 mm lug 8 mm 0-100-0 Mitutoyo 1913T-10 M2.5

Caution if buying from Amazon: their product images sometimes do not match the product description. Read carefully!

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