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Inch Dial Indicator
Model Equivalents

 

This page is designed to help you find equivalents to metric 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.

We've taken the major parameters into account: the range, the graduations, the dial diameter and the stem diameter.

We've divided the models into groups of those with 8 mm diameter stems, and those with 3/8" diameter stems. 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:

  • Brown & Sharpe (B&S): Germany (made by Kafer)
  • Compac: Switzerland
  • Etalon: Switzerland
  • Federal: USA
  • Kafer: Germany
  • Mercer: Switzerland
  • Mitutoyo: Japan
  • Roch: Switzerland
  • SPI: China
  • Starrett: USA
  • Teclock: Japan
  • Tesa: Switzerland

This page is new and information is currently being added on an "as needed" basis. If you have questions about models not listed, please send us an e-mail.

 

 

Size 1** (approx. 1-1/2" bezel diameter)

Graduations

Range

Back*

Stem***

Dial

Brand

Model

Notes

.001"

.2"

flat

8 mm

0-50-0

Mercer

181-1

.001"

.2"

flat

8 mm

0-50-100

Mercer

182-1

.001"

.2"

lug

8 mm

0-50-100

Teclock

TI-35

.001"

.2"

flat

8 mm

0-25-0

Mercer

181-1TQ

.001"

.2"

flat

8 mm

0-25-50

Mercer

182-1TQ

.001"

.25"

flat

3/8"

0-50-0

Mahr Federal

B8I

.001"

.25"

lug

3/8"

0-50-0

B&S

MW181-2

.001"

.25"

lug

3/8"

0-50-0

B&S

MB181-2

black dial

.001"

.25"

lug

3/8"

0-50-0

SPI

24-304-8

.001"

.25"

lug

3/8"

0-50-0

Mitutoyo

1411F

.001"

.25"

lug

3/8"

0-50-0

Teclock

AI-936

.001"

.25"

lug

3/8"

0-100

SPI

24-305-5

.001"

.25"

lug

3/8"

0-100

Mitutoyo

1410F

.001"

.25"

lug

3/8"

0-100

Teclock

AI-935

.0005"

.05"

flat

3/8"

0-10-0

Mahr Federal

B3Q

.0005"

.2"

flat

8 mm

0-25-0

Mercer

183-1

.0005"

.2"

flat

8 mm

0-25-50

Mercer

184-1

.0005"

.2"

flat

8 mm

0-10-20

Compac

354A

.0005"

.2"

flat

8 mm

0-10-20

Compac

354AE

waterproof

.0005"

.2"

flat

8 mm

0-10-20

Mercer

184-1TQ

.0005"

.25"

lug

3/8"

0-25-0

B&S

MW183-2

.0005"

.25"

lug

3/8"

0-25-0

B&S

MB183-2

black dial

.0005"

.25"

flat

3/8"

0-25-0

SPI

24-306-3

.00025"

.025"

lug

3/8"

0-5-0

Starrett

81-124J

.00025"

.025"

lug

3/8"

0-10

Starrett

81-224J

.00025"

.05"

lug

3/8"

0-10-0

Starrett

81-128J

.00025"

.05"

lug

3/8"

0-20

Starrett

81-228J

.0001"

.025"

flat

3/8"

0-5-0

Mahr Federal

12I

.0001"

.025"

lug

3/8"

0-5-0

Starrett

81-111J

.0001"

.025"

lug

3/8"

0-10

Starrett

81-211J

.0001"

.05"

lug

3/8"

0-5-0

B&S

MW193-2

.0001"

.05"

lug

3/8"

0-5-0

B&S

MB193-2

black dial

.0001"

.120"

flat

8 mm

0-10

Compac

355A

discontinued

.0001"

.120"

flat

8 mm

0-10

Compac

355AE

waterproof

.0001"

.120"

flat

8 mm

0-50-0

Mercer

193-1TQ

.0001"

.120"

flat

8 mm

0-50-100

Mercer

194-1TQ

Notes

 

Models shown with links are featured elsewhere on these pages. Please don't hesitate to check them out!

* most indicators are available with flat or lug backs. We have not included all the options in this list. If an indicator is listed with a flat back, it just means that you'll have to order a lug back separately. The opposite applies to indicators with flat backs. Whenever you buy a new indicator, always specify what kind of back you'd like.

** there is some variation in the bezel diameter among manufacturers but they're approximately 1-1/2 inches. That's why they're grouped under the "Size 1" category.

*** it's possible to turn an 8 mm stem into a 3/8" stem by using an adapter sleeve. This will not work in the reverse direction. There's no way a 3/8" stem will fit into an 8 mm hole.

 

 

 

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This page's most recent revision: 28 February 2008
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