Test and calibration for brass threaded inserts

This handy tool takes the guesswork out of choosing the right hole size for brass threaded inserts.Simply push your insert into one of the labeled holes, and you'll instantly know if it's a snug fit. No more wasted time or materials! Available tests:M2 Brass threaded insertsM2.5 Brass threaded insertsM3 Brass threaded insertsmore coming soon… But wait, there's more! For ultimate insert strength, adjust your printer settings to ensure at least three walls around the insert. This simple tip will lock your inserts in place, ready for even the toughest jobs.Test procedurePlace 8 threaded brass inserts in correspondence with each of the eight test holes and search for the ones that better fit themMy M3 brass insert, for example, did not fit 3.9, 4.0, and 4.1 holes. Turn on the iron welder, and set the temperature to 300°-350°. Push down each brass insert into its holes by using the edge of the we