Trombone Push In Adapters Coarse Thread Set

Now you can try push in mouthpipes in your coarse threaded slide receiver! Simply slide the adapters onto the mouthpipe you desire until you find the one with the best fit and the least gap. Then screw the coarse threaded OD adapter into your coarse threaded slide and the smooth ID bore is now ready to accept your chosen mouthpipe!

We have developed a series of smooth bore coarse OD threaded rings that graduate in .002 increments that match the taper of push in mouthpipes. This allows each adapter small, Medium, Large, XL, and XXL to each fit .040 farther up the mouthpipe so you can get the best fit with the least gap. Because of the different thicknesses of materials and slight differences in the manufacturing processes there are small variations in the OD of the leadpipes. That is why we offer this 5 piece set - "small" to "XXL".

These work on large bore tenor or bass trombones, .562 or .547 slides.


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