Tools for Small Hole Boring CG528327022832689 CM1–– CBN6–– A/B Series Solid Carbide Inserts P ⅷ ࠗ M ⅷ ࠗ ⅷ first choice K ࠗ ⅷ ࠗ alternate choice N ࠗ ⅷ S ⅷ ࠗ ⅷ H BP ISO catalogue number D min L4 L F CD R¡ right hand BP187600R 4,75 15,24 41,91 2,24 1,58 0,18 BP250825R 6,35 20,96 47,63 3,05 1,98 0,18 D70 widia.com