Reddit reviews 6 Inch/150mm Stainless Steel Vernier Caliper Micrometer Durable Stainless Steel Measuring Tool Caliper for Precision Measurements Working Stable
We found 1 Reddit comments about 6 Inch/150mm Stainless Steel Vernier Caliper Micrometer Durable Stainless Steel Measuring Tool Caliper for Precision Measurements Working Stable. Here are the top ones, ranked by their Reddit score.
High quality: Full stainless steel,high quality measuring device. High Accuracy: the accuracy is 0.02mm / 0.001 inch (less than 100mm) and 0.03mm / 0.001 inch (100 - 150mm)Durable and Long Lasting: Stainless steel material and no battery needed. An ideal tool for life time useMulti Function: The metric caliper is 0-6 inch / 150mm, it can measure outside diameter, inside diameter, depth and step value of an exquisite item, a multifunctional tool for you.Measuring range: 0 - 150mm ( 0 - 6 inch )Slide is smooth, no grittiness.Integrated depth rodHighly polished surface, Heavyweight, Rugged Design with Hardened Stainless Measuring Surfaces
I don't have that tool and I do not believe these types of chucks are standardized. If you could accurately measure the dimensions of the ones you have, that might be helpful.
To measure them you need a "precision" vernier caliper like this one-- https://www.amazon.com/Stainless-Micrometer-Measuring-Precision-Measurements/dp/B074HZ8S21/ref=asc_df_B074HZ8S21/? --You can get any metal one that looks EXACTLY like this that you find, they all work the same. It should be capable of fractional measurements in Imperial and Metric. ...And then learn to use it, if you don't already know. (note--the dial calipers only measure in one system, and the electronic ones don't work well)
Or a micrometer will work for measuring too, if you happen to have one. If you must buy something then the caliper above is generally more useful.
I have a couple Dremel-brand tools and also have some of the Chinese generic brass collets on tools I've made, and I can say that the China brass collets will not fit into the Dremel tool at all, and the Dremel collets don't stay straight in the China brass collet. The back sections of the China collets is thicker than the Dremel collets.
Alternately, you may be able to change to a China brass chuck. If the Micro Mark motor shaft is 2.35mm in diameter (which it very well may be, that is a common axle size for small motors) and you can get the old chuck off (without damaging the rest of the tool) then you can buy a China brass collet set that has the chuck and 10 different collets, from .5mm to 3.2mm, for ~$1.50 + shipping.