RemarksCoolant RemarksCoolant Cut-Off Small diameter cut-off TKFS type TKF12 / 16 Recommended insert grades TKF12 TKF16 (Vc: m/min) Edge width CW (mm) Workpiece material MEGACOAT MEGACOATNANO PLUSNANOMEGACOATDLC coatedcarbideCarbide 0.5 0.7 1.0 1.25 1.5 2.0 1.5 2.0 PR1725 PR1535 PR1225 PDL025 KW10 f (mm/rev) ★ ✩ ✩ Carbon steel 70 ~ 170 70 ~ 150 70 ~ 150 -(50 ~ 140)(50 ~ 120)(50 ~ 120)-0.01 ~ 0.020.01 ~ 0.030.01 ~ 0.04(0.01~0.05)0.01 ~ 0.040.01 ~ 0.04(0.02 ~ 0.1)0.01 ~ 0.04(0.02 ~ 0.1)0.02 ~ 0.07(0.02 ~ 0.1)0.02 ~ 0.07(0.02 ~ 0.1) ★ ✩ ✩ Alloy steel 70 ~ 170 70 ~ 150 70 ~ 150 -(50 ~ 140)(50 ~ 120)(50 ~ 120)-0.01 ~ 0.020.01 ~ 0.030.01 ~ 0.04(0.01 ~ 0.05)0.01 ~ 0.040.01 ~ 0.04(0.02 ~ 0.1)0.01 ~ 0.04(0.02 ~ 0.1)0.02 ~ 0.07(0.02 ~ 0.1)0.02 ~ 0.07(0.02 ~ 0.1) ✩ ★ ✩ Stainless steel 60 ~ 140 60 ~ 120 60 ~ 120 -(40 ~ 120)(40 ~ 100)(40 ~ 100)-0.005 ~0.0150.01 ~ 0.020.01 ~ 0.02(0.01 ~ 0.03)0.01 ~ 0.020.01 ~ 0.020.01 ~ 0.020.01 ~ 0.040.01 ~ 0.04(0.01 ~ 0.05) (0.01 ~ 0.05) (0.01 ~ 0.05) (0.01 ~ 0.05) Cast iron ★----50 ~ 1000.01 ~ 0.030.01 ~ 0.040.01 ~ 0.05 0.01 ~ 0.05 0.01 ~ 0.05 0.01 ~ 0.05 0.02 ~ 0.08 0.02 ~ 0.08 Aluminum alloys ★ ✩---200 ~ 500200 ~ 4500.01 ~ 0.030.01 ~ 0.040.01 ~ 0.050.01 ~ 0.050.01 ~ 0.050.01 ~ 0.050.02 ~ 0.08 0.02 ~ 0.08 Brass ★----100 ~ 2000.01 ~ 0.030.01 ~ 0.040.01 ~ 0.06 0.01 ~ 0.06 0.01 ~ 0.06 0.01 ~ 0.06 0.02 ~ 0.1 0.02 ~ 0.1 *( ): Tough edge type (TKF..T..) ★: 1st Recommendation ✩: 2nd Recommendation H TKFS (For small diameter cut-off) Recommended insert grades (Vc: m/min) TKFS12 TKFS16 Workpiece material MEGACOAT NANO PLUS MEGACOAT NANO MEGACOAT Carbide 1.0 Edge width (mm)1.52.0 1.5 2.0 PR1725 PR1535 PR1225 KW10 f (mm/rev) Carbon steel ★ ✩ ✩70 ~ 17070 ~ 15070 ~ 150- 0.01 ~ 0.03 0.01 ~ 0.03 0.01 ~ 0.03 0.01 ~ 0.03 0.01 ~ 0.03 Alloy steel ★ ✩ ✩70 ~ 17070 ~ 15070 ~ 150- 0.01 ~ 0.03 0.01 ~ 0.03 0.01 ~ 0.03 0.01 ~ 0.03 0.01 ~ 0.03 Stainless steel ✩ ★ ✩60 ~ 14060 ~ 12060 ~ 120- 0.01 ~ 0.02 0.01 ~ 0.02 0.01 ~ 0.03 0.01 ~ 0.02 0.01 ~ 0.03 Cast iron - - - ★50 ~ 100 0.01 ~ 0.03 0.01 ~ 0.03 0.01 ~ 0.03 0.01 ~ 0.03 0.01 ~ 0.03 Aluminum alloys - - - ★200 ~ 450 0.01 ~ 0.03 0.01 ~ 0.03 0.01 ~ 0.03 0.01 ~ 0.03 0.01 ~ 0.03 Brass - - - ★100 ~ 200 0.01 ~ 0.04 0.01 ~ 0.04 0.01 ~ 0.04 0.01 ~ 0.04 0.01 ~ 0.04 ★: 1st Recommendation ✩: 2nd Recommendation H19