Finishing - Medium / up facingMedium - RoughingMedium - RoughingMedium - Roughingap (mm) ap (mm) Medium - RoughingMedium - Roughing / High Feed RateMedium - Roughing / High Feed RateRoughingap (mm) Standard (without indication) Turning indexable inserts Introduction  Steel (Molded chipbreaker) B Name Design Advantages Name Design Advantages 0.1 0.2 • Improved chip 15° 7° curling at small 5° CJ 0.2 20° machining and highfeed rate machining• Improved chip HSevacuation at15°copying and up • General purposechipbreaker• Applicable to0.215°copying5° facing • Stable machining with good balance of 0.28 edge sharpness and PG strength0.08• Prevent chip5°15°clogging at high feedrate PT• Good chip control atlow feed rate 21° • Low cutting forceat high feed0.36machining• Land support13°structure • Stable machining with wide chip control range 0.12 0.1 GS • Strong edge27°8°chipbreaker• Stable for0.12continuous GTmachining andlight interrupted27°8°machining 12° 20° • Strong edge5°chipbreaker• Wide land design0.1and smooth chip12°20°control even at highfeed rate machining5° 0.25 15° 5° • General purpose 0.25 chipbreaker • Low cutting force PS • More stable due 5° 14° and applicable to 0.25 to large contact large ap roughing 15° surface 5° Applicable chipbreaker range (ap indicates radius) (Steel / Edge Length = 12, 16)5 (Steel / Edge Length = 12)5 (Steel / Edge Length = 16)10 Standard 4 GP 4 PG GT 8 PS (HS) 3 PQ CQ PS3(HS) 6 2 PP CJ 2 4 Standard 1 1 GS PT 2 CQ HQ 0.1 0.2 0.3 0.4 0.5 0.1 0.2 0.3 0.4 0.5 0.2 0.4 0.6 0.8 1.0 f (mm/rev) f (mm/rev) f (mm/rev) B5