BT50 ER50 Collet Chuck 3.54" Long Balanced to 25K RPM G2.5 TMX-Toolmex Item #3-178-549 Taper BT50 Collet Size ER50 L in 3.54 Balanced RPM 25000 G 2.5 Taper ground to AT3 standards or better Nickel plated for longevity .0002” TIR or better to ensure minimal run-out Threaded through hole for stop screws Wrench not included, Comes with ER collet nut. Made in China Image is a stock photo and may not represent actual item.
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