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  • Brown & Sharpe TESA Interapid 312 Dial Test Indicator, Horizontal Type, Inch, M1.7x4 Thread, 0.157" Stem Diameter
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Brown & Sharpe TESA Interapid 312 Dial Test Indicator, Horizontal Type, Inch, M1.7x4 Thread, 0.157" Stem Diameter

Available in multiple versions


Price: $207.50 - $397.79
Product Specifications
Brand Name Brown & Sharpe
System of Measurement Inch
Material Type Steel
Manufacturer Series Number Interapid 312
Stem Outside Diameter 0.157  inches
Thread Style M1.7x4
UNSPSC Code 41110000

The Brown & Sharpe TESA Interapid 312 series dial test indicator has a ... Read full product description


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0-0.016" 0.0001" +/-0.004mm 74.111373 B0006J4WO0
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$347.00
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0-0.016" 0.0001" +/-0.004mm 74.111372 B003K51HPE
In Stock (3)
$342.00
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0-0.06" 0.001" +/-0.01mm 74.111374 B0006J4U1K
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$212.40
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0-0.06" 0.0005" +/-0.01mm 74.111965 B0006J4U2O
In Stock (4)
$389.00
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0-0.06" 0.0005" +/-0.01mm 74.111371 B003K53E0A
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0-0.06" 0.0005" +/-0.01mm 74.111370 B003K557MI
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Product Features

  • TESA Interapid dial test indicator with rotatable, white face and carbide tip for measuring surface variations in narrow or recessed areas
  • Continuous clockwise pointer rotation and revolution counter, and ball-bearing lever system swivels through to 210 degrees
  • Dial face mounted parallel to the insert's axis, and has a dovetail and swiveling shank for mounting horizontally or vertically from the front, top, or back of the indicator
  • Monoblock body design with jeweled bearings in an isolated assembly for high accuracy, and full metal construction provides durability
  • Meets Deutsches Institut fur Normung (DIN) 2270, and Norme Francaise (French Institute for Standardization) NF E 11-053 standards, and includes a declaration of conformity

Product Details

  • Shipping Information: View shipping rates and policies
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B007WZQ0QO
  • Average Customer Review: 4.4 out of 5 stars  See all reviews (8 customer reviews)
  • Product Warranty: For warranty information about this product, please click here

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Product Description

The Brown & Sharpe TESA Interapid 312 series dial test indicator has a white face, a 0.157" stem diameter, and inch measurements. The white dial and contrasting black hand help make measurements easy to read, and the dial face rotates to allow horizontal and vertical measurements. The carbide, ball-contact tip reaches into the workpiece for accurate measurements of turned, milled, and ground parts, and for tool setting gauges, fixtures, and inspections. The continuous clockwise pointer rotation and a revolution counter prevent plus or minus confusion. The ball-bearing lever system swivels through to 210 degrees. The dial face is mounted parallel to the insert's axis for mounting horizontally or vertically from the front, top, or back of the indicator. Dovetail mounts on the front and back provide a rigid setup, and a 4mm swiveling shank on the top of the indicator can be mounted at a range of angles. This indicator has a Monoblock body design with pinions mounted in jeweled bearings in an isolated assembly separate from the outer body, for high accuracy. It has full-metal construction for durability and corrosion resistance. This dial test indicator meets Deutsches Institut fur Normung (DIN) 2270, and Norme Francaise (French Institute for Standardization) NF E 11-053 standards, and includes a declaration of conformity. The set includes an Interapid 312 dial test indicator, a 0.080" (2mm) ball-end carbide contact point, a point key, a Certificate of Accuracy and Traceability, and a storage box.

Dial readings with three digits, such as 0-10-0, signify that the indicator has a balanced dial. Dial readings with two digits, such as 0-100, indicate that the dial has a continuous dial. Balanced dials are used to read the difference from a specific surface reference point. Continuous dials are used for direct readings and usually have a larger measurement range than balanced dials.

Dial indicators are also called dial gauges, dial calipers, and probe indicators. These precision measuring tools are used to accurately measure small linear distances and object sizes. The dial magnifies the measurement so that it can more easily be read by the human eye. Frequently used in manufacturing, laboratories, and other industrial or mechanical fields, dial indicators are used anywhere a small measurement must be found and recorded or transferred, such as checking the variation in tolerance of a workpiece. Standard dial indicators measure the displacement along the axis of the indicator. Dial test indicators are very similar to dial indicators, except that the axis of measurement is perpendicular to the axis of the indicator. Dial and dial test indicators can be analog, with a mechanical dial, or electronic, with a digital display. Some electronic models transfer the data electronically to a computer for recording and potential manipulation.

Brown & Sharpe manufactures precision measuring equipment and metrology hand tools. The company, founded in 1833, played a key role in setting industrial standards in the United States. Brown & Sharpe was acquired by Hexagon Metrology in 2001 and is headquartered in North Kingstown, RI.

What's in the Box?

  • Brown and Sharpe Interapid 312 dial test indicator
  • 0.080" (2mm) ball-end carbide contact point
  • Point key
  • Certificate of accuracy and traceability
  • Storage box


Customer Questions & Answers

Customer Reviews

4.4 out of 5 stars
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Most Helpful Customer Reviews

By Pitty on April 3, 2015
Part Number: 74.111370Measurement Accuracy: +/-0.01mmResolution: 0.0005"Range: 0-0.06"
The interapid is the most accurate and repeatable test style indicator there is. Most tool makers swear by them. If you simply can not affor one do not buy a cheap china made one u will regret it! Mititoyo is about $140 and is a close second to interapid. In fact mititoyo is pretty much the one brand that has quality well made measuring tools in every catigory. Where as starrett makes good mikes and interapid and brown and sharp not value brown and sharp make good indicatirs mititoyo is extremely well made and repeatable in every tool of theres i own. Not only that they are fair priced. Now if you simply want the best for this tool a best test which is a tool that u will use to square and indicate everything u use might not be a bad choice. It is made by swiss watch makers and is simply perfect.
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By Robert Madalinski on October 22, 2013
Part Number: 74.111370Measurement Accuracy: +/-0.01mmResolution: 0.0005"Range: 0-0.06" Verified Purchase
Just started machining on a Harbor Freight mini mill. Tried other digital depth gauges to set up the mill but this is the way to go. Very easy to use and is repeatable. Pricey but no regrets, makes mill setup quick, just be careful, it's small and delicate like a hummingbird.
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By Alex on February 19, 2013
Part Number: 74.111370Measurement Accuracy: +/-0.01mmResolution: 0.0005"Range: 0-0.06" Verified Purchase
The test indicator is one of the basic tools for a machinist. I started of with a cheap import indicator and found it to be terrible. This indicator is expensive. There's no argument there. However, if you rely on your tools to put food on your table, there's no replacement for good tools. Be ware of cheap imitations that look like the real deal.
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By Rod on January 19, 2013
Part Number: 74.111373Measurement Accuracy: +/-0.004mmResolution: 0.0001"Range: 0-0.016" Verified Purchase
I have had an interrapid indicator for many years. When I damaged my current one I started shopping for a replacement. I was shocked by the high prices at industrial supply houses. I decided to try Amazon and found it much cheaper.
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