Small tools Introduction Guideline for roughing: ap = 1.5 ~ 5 mm of steel m) 1. Improvement of finishing Use goose-neck holder m mm m E 2. Improvement of finishing Use external sleeve holder mm Roughing Use FP-TK chipbreaker (G-class negative insert) mm Fig. 2 Guideline for roughing: ap = over 4 mm 1. Improvement of finishing Use goose-neck holder 2. Improvement of finishing Use external sleeve holder Roughing Use grooving toolholder Fig. 3 E9