Cutting Name Design Advantages Cutting Name Design Advantages B Range Range Medium - Roughing 0.12 Strong edge Medium-Roughing / High Feed Rate 0.1 Strong edge chipbreaker. 12° 20° chipbreaker. 27° 8° Stable for 5° Wide land Insert (Turning) GS continuous GT design and 0.12 machining 0.1 smooth chip and light 12° 20° control even at 27° 8° interrupted 5° high feed rate machining. machining. Medium - Roughing 0.25 General Standard (Without Indication) 5° 15° purpose Low cutting Roughing 0.25 chipbreaker. force and PS More stable 5° 14° applicable 0.25 due to large to large ap 5° 15° contact roughing. surface. For roughing of Medium - Roughing 0.2 steel. 5° 15° General Suitable purpose Roughing 0.4 20° for heavy HS chipbreaker. PH interrupted 0.2 Applicable to machining and 15° copying. for workpieces 5° with scale due to strong cutting edge. Medium-Roughing / High Feed Rate 0.28 Single Sided Roughing (High Feed Rate) 0.37 Low cutting 5° 22° Roughing and 21° force at high feed rate PT high feed PX operation. 0.36 machining. Low cutting Land support 0.34 force 13° 0° 22° structure. chipbreaker. ● Applicable Chipbreaker Range (ap indicates radius) (Steel / Edge Length=12) 10 (Steel / Edge Length=16) 12 (Steel / Edge Length=12, 16, 19) (Steel / Edge Length=12, 16, 19) 5 12 Standard PH(19) PX(19) 4 PG GT 8 PS(HS) 10 10 PS PH(16) ap (mm) PX(16) ap (mm) 3 (HS) ap (mm) 6 ap (mm) 8 8 Standard 6 6 2 4 4 PH(12) 4 1 2 2 2 PX(12) GS PT CQ 0.1 0.2 0.3 0.4 0.5 0.2 0.4 0.6 0.8 1.0 0.2 0.4 0.6 0.8 1.0 0.2 0.4 0.6 0.8 1.0 f (mm/rev) f (mm/rev) f (mm/rev) f (mm/rev) B5