Mitutoyo 103-177 Outside Micrometer

Curated from 81 real Reddit conversations

Refreshed on: February 27, 2025

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Mitutoyo 103-177 Outside Micrometer

Brand: Mitutoyo
Price: $59
Snoop Score:
9.1
Sentiment
8.5
Popularity
8.6
Technical
9.3
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Snoop's Take

The Mitutoyo 103-177 Outside Micrometer is a precision measuring tool designed for taking outside diameter measurements with high accuracy. With a range of 0-1 inch and a graduation of 0.001 inch, it features a ratchet stop mechanism that ensures consistent pressure for repeatable results. Consumer sentiment about the Mitutoyo 103-177 is overwhelmingly positive, with users praising its durability and precision. One user noted, "Buying good quality inspection equipment is an extremely worthwhile investment," reflecting the general consensus that Mitutoyo tools offer exceptional reliability compared to cheaper alternatives. Customers appreciate that these micrometers provide highly accurate measurements and are built to last, making them a preferred choice in professional settings. Given the feedback from users who value precision and long-lasting performance, the Mitutoyo 103-177 is highly recommended for anyone in need of a reliable measuring tool. Its high quality, coupled with a strong reputation for accuracy, makes it a worthy investment for professionals and hobbyists alike.

Not for you? Check out our other rated Outside Micrometers

Mitutoyo is a great value.

Positive Feedback

If you're making a career out of this, don't cheap out, because you'll have to buy the good set eventually.

Negative Feedback
Product
9.1
Mitutoyo 103-177 Outside Micrometer
Buy on Amazon for $59
Precision Engineering
10 / 10
Quality Control
10 / 10
Tool Calibration
10 / 10
Repair & Maintenance
10 / 10
See how this compares to all Outside Micrometers

What it does well!

Key strengths users can’t stop talking about.
Great value for high precision tools
“Mitutoyo is a great value.”➕
“Of the “big 3”, Mit, B&S/Tesa and Starrett, Mitutoyo is the best quality and the cheapest of the three.”➕
Reliable quality compared to cheaper brands
“You can tell the difference between a mic that is from a known company like mitutuyo , starret, brown and sharpe from others especially over time.”➕
“I did gauge calibration for a small shop for 6 years and definitely had to adjust cheaper mics far more often.”➕
Best quality among major brands
“Is mitutoyo worth the price? I'm looking at a digital 0 to 3 inch o.d. mic set but it's almost $1000.”➕
“Mititoyo Quantumikes are the best mics I’ve ever used.”➕
“They are damn good, you'll never buy another if they're taken care of.”➕
Great investment for precision tools
“Any risk in buying cheap Chinese micrometers? Hello, I'm thinking of buying some cheap Chinese micr”➕
“Buying good quality inspection equipment is an extremely worthwhile investment.”➕
Mitutoyo offers reliable quality
“Seriously though, don't cheap out on measuring equipment. You'll regret it.”➕
“This is a screaming deal that you won't regret.”➕
Mitutoyo micrometers have durability and precision
“The only real difference is durability. You can't drop a Chinese micrometer!”➕
Good investment for precision measuring tools
“Yeah I'm checking there right now, I found a set of 3 starrett micrometers but they're metric :-(”➕
Durability and long-lasting performance
“They will last you forever as long as you care for them.”➕
“They're fantastic and absolutely reliable, the batteries last forever.”➕
Reliable and accurate measurements
“hands down the best two on the market.”➕
Precise measurements down to small details
“These can measure the thickness of a sharpie mark on steel.”➕
Mitutoyo is considered the best in precision measuring equipment
“Mitutoyo imo makes the best precision measuring equipment.”➕
Carbide anvil and spindle are essential features
“ensure it has, carbide anvil and spindle, a effective ratchet stop/ friction slip, and a standard & adjustment wrench.”➕
High precision measurements
“Do Mitutoyo micrometers (like their 103-218) have different colors for the same model?”➕
“Is there something fishy about this color?”➕
Mitutoyo micrometers are preferred for accuracy in measurements
“Mitutoyo mic in the pic is very nice and really the only one I’ve used.”➕
“The digital micrometer easily outperformed the analog.”➕
Digital micrometers reduce chances of misreading
“the chances of a miss read are slim to none. I will say the quantum mics are very much worth it in my opinion.”➕
Mitutoyo is trusted for high-quality measuring tools
“Sold. I’ve been eyeing one forever.”➕

Where it needs some work!

Areas to watch—feedback on possible improvements.
Mitutoyo sets can be expensive
“If you're making a career out of this, don't cheap out, because you'll have to buy the good set eventually.”➕
Mitutoyo sets can be expensive compared to others
“Got these for $100. Hardly, if ever, used.”➕
High resale price for used Mitutoyo micrometers
“Nice tools that would've been expensive but in general everyone who wants an analogue mic has one!”➕
Some users find analog micrometers difficult to read
“Who the hell can’t read an analog mic? 🤨🤨”➕
Digital micrometers may take time to adjust from analog
“Sometimes I use digital for too long and it takes a while for my brain to adapt to analog.”➕

Compare On All Talked About Dimensions

Product NameImagePriceScoreCompareSee DetailsBuy Now
Mitutoyo 103-177 Outside MicrometerMitutoyo 103-177 Outside Micrometer$59
9.1
DetailsBuy
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8.8
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Mitutoyo 103-260 Outside MicrometerMitutoyo 103-260 Outside Micrometer$99
8.7
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Mitutoyo 103-129 Outside MicrometerMitutoyo 103-129 Outside Micrometer$45
8.7
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Accusize Industrial Tools 0-6 Inch Ultra-Precision Micrometer SetAccusize Industrial Tools 0-6 Inch Ultra-Precision Micrometer Set$233
8.3
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HDLNKAK Outside Micrometer Set, 0-4" Machinist Tool SetHDLNKAK Outside Micrometer Set, 0-4" Machinist Tool Set$59
7.3
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WONDERSUNM 6 Pcs Outside Micrometer SetWONDERSUNM 6 Pcs Outside Micrometer Set$185
7.0
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Handook Premium Outside Micrometer SetHandook Premium Outside Micrometer Set$69
6.7
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Fowler 52-240-005-1 Outside Inch MicrometerFowler 52-240-005-1 Outside Inch Micrometer$70
6.4
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Shars 0-6" Premium Outside Micrometer SetShars 0-6" Premium Outside Micrometer Set$164
6.3
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Fowler 52-253-004-1 Premium Outside MicrometerFowler 52-253-004-1 Premium Outside Micrometer$53
6.3
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HARFINGTON Outside Micrometer SetHARFINGTON Outside Micrometer Set$104
6.0
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Anytime Tools Premium Outside Micrometer SetAnytime Tools Premium Outside Micrometer Set$96
5.7
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Anytime Tools Micrometer 0-1" /0.0001 Precision ToolAnytime Tools Micrometer 0-1" /0.0001 Precision Tool$25
5.0
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SANDOR Professional Digital Outside MicrometerSANDOR Professional Digital Outside Micrometer$79
4.5
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Starrett 436.1XRL-1 Outside MicrometerStarrett 436.1XRL-1 Outside Micrometer$103
4.2
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Fowler 52-229-214-0 Economy Outside Micrometer SetFowler 52-229-214-0 Economy Outside Micrometer Set$158
3.5
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SANDOR Premium Outside Micrometer Set 0-4"SANDOR Premium Outside Micrometer Set 0-4"$89
3.2
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HOMGEN Outside Micrometer 0-25mm Precision ToolHOMGEN Outside Micrometer 0-25mm Precision Tool$8
2.3
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HFS(R) 1" Mechanical Digital Outside MicrometerHFS(R) 1" Mechanical Digital Outside Micrometer$36
0.9
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Anytime Tools 1" Digital Outside MicrometerAnytime Tools 1" Digital Outside Micrometer$57
0.6
DetailsBuy

Core Power Plays

The specs and strengths that make it shine.
Comparisons of tool quality and brand
“I would put them in the same class as Fowler and SPI for quality.”➕
Discussion on specific model recommendations
“I would like suggestions my budget is 250$.”➕
Mention of other brands like Starrett
“Starrett is super top notch too”➕

Hidden Hero Hacks

Unexpected tricks and side‑door uses you’ll love.
Discussion about the usefulness of dovetail cutters
“The Doall dovetail cutters which are just *beautiful*.”➕
“Great to have when you need it but most likely will not find a tremendous amount of use.”➕
In-house repair advice for Mitutoyo micrometers
“Does anyone have any information regarding micrometer repair that can be done in house?”➕
“It's not Mitutoyo specific but it might be helpful.”➕
“In other words the most basic of repairs... And even then the mic may not be accurate.”➕

Buyer’s Cheat Sheet

What to check before you click ‘Add to Cart.’
Discussion on calibration practices
“If I buy cheap I make sure I keep a little set of gauge blocks and every day before I use those calipers or Mics I check them on the gauge blocks to see if they are still good.”➕
“To be fair this is good practice no matter the brand.”➕
“I’d say any micrometer is a good one as long as you keep it calibrated.”➕
Advice about calibration practices
“Just make sure you check it at various points.”➕
Preference for digital over analog micrometers
“I often find myself wishing they were digital, it would be super nice if I could go back and forth between mm and inches for the bearing fits.”➕
Discussion on brand preference in micrometers
“I like my Brown and Sharp micrometers.”➕
Suggestions for purchasing used Mitutoyo micrometers
“I've gotten my hands on several Mitutoyo, Starrett, and Browne and Sharpe mics for under $20.”➕
“Yep look on Craigslist or eBay for a used mitutoyo.”➕
Preference for budget-friendly options
“We'd like to spend ~$100 max.”➕
Mention of alternative brands like igaging, Accusize, and Asimeto
“I'm very happy with igaging.”➕
“Accusize and Asimeto would serve you fine.”➕
Discussion about the pricing of micrometers
“Mitutoyo is the gold standard.”➕
“pretty good.”➕
Discussion on alternatives to expensive sets
“Mitutoyo imo makes the best mics.”➕
Local pricing differences for Mitutoyo micrometers
“I can this exact set in the same like new condition sold for 99CAD which is 75usd.”➕
Discussion on preference for digital versus analog tools
“Digital or analog? Pros and cons.”➕
“I like digital due to ease of switching for metric but it’s just a calculation away on analog if necessary.”➕
Comments on the learning curve for reading measuring tools
“Use painters tape to cover the decimal place maybe?”➕

Cautionary Callouts

Know the pitfalls before they catch you off guard.
Discussion on the importance of brand in precision tools
“Does the brand matter when it comes to micrometers?”➕
Discussion on the importance of having quality measuring tools
“I just finished trade school for machining and was told by my employer I need a set of micrometers.”➕
“Get the china ones for now, but keep saving for Starret (or whatever).”➕
Questions about adjustment mechanics of the Mitutoyo micrometer
“What is the small end of the adjustment spanner wrench for on a Mitutoyo micrometer for?”➕
“lets you disassemble the ratchet sleeve iirc.”➕
“after you remove the ratchet, they will come apart, but it might need a little tappy-tap-tap to break the taper lock.”➕
“Basically it allows you to zero the mic.”➕
Discussion on fixing seized Mitutoyo micrometer
“Can anyone give advice on fixing my Mitutoyo Micrometer that is seized to the point of being stuck?”➕
“Twist it open instead of closed”➕
“Are you sure it didn't break off in the locked position?”➕
“its been seized up and immovable for a week or so.”➕

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