KJARNABOR 132MM 1.1/4" 420MM

Standard 1 ¼″ UNC reception. Engraving of diameter and type on the core reception for longterm visibility. Laser welded segments guarantee against break off. 10 mm segment height for superior life time. Uniquely designed TURBO shaped segments -Pre-grinded, for best performance right from the first hole. One outer and two inner slots enable improved cooling and increased material removal.