INSIZE 6381-1W Micrometer Head

Curated from 48 real Reddit conversations

Refreshed on: April 9, 2025

INSIZE 6381-1W Micrometer Head

Brand: INSIZE
Price: $47
Snoop Score:
7.8
Sentiment
10.0
Popularity
10.0
Technical
6.3

Snoop's Take

The INSIZE 6381-1W Micrometer Head is a precision measuring tool designed for accurate measurement in various applications. With a graduation of 0.001" and a measurement range of 0-1", this micrometer head is ideal for users needing reliable and precise measurements in their projects. Consumer feedback highlights the product's good value for the price, especially when compared to premium brands like Mitutoyo. Users have noted that "Mitutoyo if you want really good, Insize if you can't spend that much," indicating that the INSIZE offers a budget-friendly alternative without sacrificing essential performance. Additionally, many find it suitable for standard measurements, with one user commenting, "They are probably good enough for standard measurements." Based on the positive sentiments expressed, the INSIZE 6381-1W Micrometer Head comes highly recommended for anyone looking for a quality measuring tool in its category, especially for standard applications without the need for extreme precision.

Not for you? Check out our other rated Micrometer Heads

Mitutoyo if you want really good, Insize if you can't spend that much.

Positive Feedback

Ramen shop owner places bounty on heads of negative reviewers.

Insightful Chatter
Product
7.8
INSIZE 6381-1W Micrometer Head
Industrial Quality Control
6 / 10
Automotive Maintenance
6 / 10
Tool Calibration
6 / 10
Machine Setup and Inspection
6 / 10
See how this compares to all Micrometer Heads

What it does well!

Key strengths users can’t stop talking about.
Good value for the price compared to premium brands
Mitutoyo if you want really good, Insize if you can't spend that much.
Is it worth 50 USD to get Insize 1108-150 or should I spend 150 USD to get the 150mm Mitutoyos?
I'm surprised that I can't find one anywhere.
Graduation Bear getting head.
Good for standard measurements
Are these harbor freight micrometers good enough to do a top end engine rebuild? Currently rebuildin
All jokes aside, unless you’re doing high performance precision stuff I wouldn’t sweat it.
They are probably good enough for standard measurements.

Compare On All Talked About Dimensions

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KIMISS 0.001mm Digital Micrometer HeadKIMISS 0.001mm Digital Micrometer Head$38
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Mitutoyo 150-206 Micrometer HeadMitutoyo 150-206 Micrometer Head$87
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SHARS 0-1" Electronic Micrometer HeadSHARS 0-1" Electronic Micrometer Head$47
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INSIZE 6381-1W Micrometer HeadINSIZE 6381-1W Micrometer Head$47
7.8
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5.2
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Homeswitch Micrometer Head Measure Tool 0-13mmHomeswitch Micrometer Head Measure Tool 0-13mm$11
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4.2
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3.4
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Homeswitch Ratchet Micrometer Head Measure ToolHomeswitch Ratchet Micrometer Head Measure Tool$16
3.3
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Starrett Micrometer Head with Lock NutStarrett Micrometer Head with Lock Nut$214
2.8
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Shars 0-1" Micrometer HeadShars 0-1" Micrometer Head$30
1.9
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Core Power Plays

The specs and strengths that make it shine.
Discussion about the use and function of the micrometer
A tool and die maker at my work showed me this micrometer. He has had it for a years and does not know what it is used for.
go-no go/min-max micrometer
Like if you set them at particular sized gaps and locked them? Interesting
This is the right answer.
Discussion about micrometer features for measuring bearings
If you want to measure bearings, make sure you get a little ball attachment for the mics.
Recommendations for micrometer attachments and features
Practice your technique to be repeatable and these mics will be very respectable.
Preference for Mitutoyo as the best quality brand
Mitutoyo is the best. They last the longest, easy to fix or replace broken parts.
Discussion about proper calibration procedures for micrometers
oh yeah, I think the word you're looking for is Standard.
Just use a standard to make sure your outside micrometer is accurate and then you don’t have to worry about it being out.
Can't you use a gauge block stack with the top and bottom blocks wrung on so they overhang the core stack.
Setting with an outside mic is fine if you have enough tolerance stack to work with.

Hidden Hero Hacks

Unexpected tricks and side‑door uses you’ll love.
Discussion about the use of micrometers for large measurements
if tapes aren’t accurate enough, then you need to move to something more repeatable and rigid like an outside micrometer.
Micrometers can take this measurement.

Buyer’s Cheat Sheet

What to check before you click ‘Add to Cart.’
Discussion about micrometer repairs and maintenance tips
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.
Any suggestion on how I can replace the micrometer head?
Discussion on potential replacement of the micrometer head
Probably get a nice new mitutoyo for 3 bills.
If it's so bent you can't remove it then you might be SOL.
Advice on micrometer brands and quality for general use
Save up a little and buy a good set. Take care of them and they will outlive you.
They're not as nice as the Starrett set at work but mine cost 1/10th as much.
Discussion about the distinction between different types of measuring tools
Vernier≠Dial Vernier≠Digital Read Out.
Discussion about the availability of used measuring tools in good condition
The good news about verniers is that you can pick up used ones in like-new condition.
General inquiry about reliable brands for measuring tools
Good quality Vernier Caliper? I don't know any brand names, and would like a good cost/value for whatever I end up buying.
Cheap calipers may suffice for basic electronic measuring tasks
If you are just measuring lead pitch, or trace width, or keep out zone radius, or PCB dimensions then the cheap calipers will work fine.
Importance of calibration for accuracy
Get a certified grade block. Check the micrometer each day you plan to use it.
General advice on checking tools against known dimensions
Check it on a known dimension and rock on.
Came here to say check them on a gauge blocks and see how it goes.

Cautionary Callouts

Know the pitfalls before they catch you off guard.
Discussion about negative reviews leading to trolling behavior
Ramen shop owner places bounty on heads of negative reviewers.
Knowing the internet this is just going to invite trolls to make further 1 star reviews lmao.
Discussion about counterfeit Mitutoyo products
Make sure you buy from a reputable dealer. Counterfeit Mitutoyos abound.

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