Overview KORLOY SCLCR/L 系列实心钢柄镗杆 The KORLOY SCLCR/L series is a range of solid steel shank indexable boring bars for internal (ID) turning on CNC lathes and turning centres. Each bar holds a positive 80 degree rhombic insert with a 7 degree clearance angle in a screw-on clamp seat, cutting at a 95 degree approach angle. That combination keeps cutting forces low and chip evacuation clean, which is what a slender boring bar needs most. Two models are offered in this range: S08K