UN Long Reach Thread Mills - Solid Carbide - Full Profile .340" to .495" tool diameter
TMLR - UN
Long reach thread mills have three teeth ( four for the larger sizes )and a helical flute that excel in internal deep threads and hard-to-cut materials.
** PLEASE NOTE - WE ARE CLOSED FROM DECEMBER 23rd UNTIL JANUARY 5th, 2026 AND ORDERS WILL NOT BE SHIPPED DURING THIS TIME **
Long reach thread mills have three teeth ( four for the larger sizes )and a helical flute that excel in internal deep threads and hard-to-cut materials.