GENERAL TECHNICAL INFORMATION BORING BAR DESIGNATION SYSTEM (ISO METRIC SHANKS) 6 APPROACH ANGLE 7 INSERT CLEARANCE ANGLE 95° 75° L K 93° 93° U Z N B 90° 45 F Q 117,5° P C P 8 HAND OF TOOL 9 CUTTING EDGE LENGTH 10 MANUFACTURER`S TYPE DESIGNATION Unique to Manufacturer R Right Hand *Left Handed Insert Used H L Left Hand *Right Handed Insert Used 1031