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The Mitutoyo dial indicator has a black or white face, a choice of flat or lug, a 0.375" stem diameter, and inch measurements. The indicator has a 0.375" diameter stem, a #4-48 UNF contact point thread mount, and is used to measure surface variations in fractional inches. The choice of black or white dial and a contrasting hand help make measurements easy to read. The dial indicator comes with a choice of flat or lug back for a variety of mounting options. Flat back dial indicators are either clamp-mounted on the stem or plate-mounted on the rear of the indicator. Lug back dial indicators have a protrusion with a hole to mount the indicator using a lug or nut and bolt. Lug back dial test indicators usually come with the lug installed horizontally. The back on most indicators can be rotated to the vertical position. It has a stem design that provides a long clamping range, no through screw-holes on the frame for dust- and water resistance, and an involute curved lifting lever that provides smooth movement of spindle and dovetail joint for a tool-less connection. This dial indicator meets ANSI standards, Japanese Industrial Standard (JIS) B7503-1997, and American Gage Design (AGD) standards for face and thread size, and bezel and stem diameter.
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. Optional features include jeweled bearings for high sensitivity and accuracy, a revolution counter to measure overall change, waterproof, dustproof, shockproof, a white or black face, and reverse reading for depth or bore gage measurement.
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.
Mitutoyo manufactures precision measuring tools, metrology equipment, and systems. The company was founded in Tokyo in 1934 and formed Mitutoyo America Corporation in 1963, which is headquartered in Aurora, IL.
What's in the Box?
- Dial indicator
- Limit markers (metric only) (2)
- Bezel clamp
- Storage box
Mike S.
Reviewed in the United States on January 4, 2025
Still as good as always, been using them for 35 years
Thomas A. Bell
Reviewed in the United States on December 28, 2024
Best of breed indicator. Expect to use this for a long while.
Kindle Customer
Reviewed in the United States on October 13, 2022
As exspected you get what you pay for.I use this indicator every day.I'm a Machinist in the steam turbine and nuclear power industry.So my equiptment has to perform at the highest levels.It's not a starrett but for the money it gets the job done well. The action is smooth and repeats every time.You can spend alot of money on junk or cry once on the good stuff.I only buy starrett mitutoyo noga.I've learned over the 30 plus years of machining if you want good parts coming out you have to invest up front on good indication equiptment. Your cuts will only be as good as your setup.
ToolmakerM9A1
Reviewed in the United States on March 20, 2021
Just bought this Mitutoyo drop dial indicator and I couldn't be happier with it. Its very well worth the money and its not built cheap like some " bargain" indicators that you'll find. I've already used it for indicating in lathe work, mill work and I.D.-O.D. grinding work as well. Very accurate. I would highly recommend this drop dial indicator to anyone.
Teriyakikitten
Reviewed in the United States on February 18, 2021
Since starting my own shop I've at some point lost my old indicator setup I used in the dealerships truing motorcycle wheels. I'd assumed that my old one was a nice indicator as it wasn't all that cheap when purchased from our catalogs. I was hoping to find one "as good" and seem to have acquired one that was actually nicer. Perhaps much nicer.I'm no machinist so I can't speak for the quality in that specific of a setting, but this little indicator is as nice as any I've encountered in my career. I took a little leap and ordered it from the "Amazon Warehouse" for roughly $40, but it arrived with all of the paperwork and a properly functioning indicator.This unit may be nicer than you will actually need if you're truing wheels. That said, I'm not upset in the least with this purchase. If you're looking for an indicator for that purpose this one will more than suffice.
Don
Reviewed in the United States on January 12, 2021
Typical Mitutoyo quality at a fair price. Silky smooth operation. Last year I bought a cheap dial indicator set with magnetic base and extra spindles for a ridiculously low price and as expected, got what I paid for. The cheap magnetic base works ok, but the cheap dial indicator is very rough and jerky. All of the cheap accessories work with the new Mitutoyo. I paid more than double the cost of the cheap one for just the Mitutoyo indicator but it is well worth it. Two thumbs up!
Clay R Burton
Reviewed in the United States on June 28, 2020
I bought this dial indicator based on the reviews to replace the very cheap dial indicator on my expensive table saw blade alignment fixture. I made the appropriate adjustments to my saw according to the readings on the dial indicator and all adjustments were accurate. The adjustments were verified with several different cuts made with the table saw and measured with a digital caliper. I was able to finally get my table saw blade and RIP fence aligned spot on. This dial indicator was definitely worth the money.
Jean-P Brousseau
Reviewed in Canada on June 9, 2019
Travaille
Amazing Customer
Reviewed in Canada on June 20, 2017
This does appear to be a legitimate Mitutoyo indicator. As with most Mitutoyo tools it is extremely smooth and well built. This model has a lug back. DOES NOT include limit markers as the listing states. (I believe only metric Mitutoyos come with limit markers) Does not come in a case, just a cardboard box with a plastic insert.
danny
Reviewed in the United States on November 11, 2017
This indicator seems to be built well. It has a good fit and finish as you would expect to find with Mitutoyo. In terms of repeatability and accuracy I did not have a chance to measure, though the indicator came with a spec sheet. Passing a 2 rev indication within 0.001" accuracy. The only problem I have with the indicator is the bezel ring, it is plastic. It zeros extremely smooth and has a good resistance to hold position. I have compared the indicator movement with a Starret 25-441J indicator(whose bezel ring is also plastic) and I feel that the Mitutoyo is smoother and feels better put together less run out on the stem bore, however the Starrett has better plunger sensitivity. That of course is my own opinion.
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