HighCutting forceLow RemarksCoolantRemarksCoolant Cut-Off KGD type GDM/GDMS/GDG type KGD recommended cutting conditions (PF/PQ/PG chipbreaker) Recommended insert grades f (mm/rev) ( Vc: m/min) PF (RE = 0.03 mm) PF (RE = 0.15 mm) Workpiece material MEGACOAT NANO MEGACOAT Edge width CW (mm) PR1535 PR1225 PR1215 1.3/1.5 2.0 2.5/3.0 1.3/1.5 2.0 2.5/3.0 Carbon steel ✩ ★ ✩70 ~ 15070 ~ 15070 ~ 180 0.01 ~ 0.04 0.02 ~ 0.06 0.02 ~ 0.08 0.01 ~ 0.05 0.03 ~ 0.08 0.04 ~ 0.10 ✩ ★ ✩ Alloy steel 70 ~ 150 70 ~ 150 70 ~ 180 Stainless steel ★ ✩ ✩60 ~ 12060 ~ 12060 ~ 1500.01 ~ 0.030.01 ~ 0.040.01 ~ 0.05 0.01 ~ 0.04 0.03 ~ 0.07 0.04 ~ 0.08 Cast iron ‐ ‐ ★80 ~ 200 0.01 ~ 0.05 0.02 ~ 0.07 0.03 ~ 0.08 0.01 ~ 0.06 0.03 ~ 0.09 0.04 ~ 0.10 ★: 1st Recommendatio ✩: 2nd Recommendation Recommended insert grades f (mm/rev) ( Vc: m/min) PQ PG Workpiece Material MEGACOATNANO MEGACOAT DLCcoated carbideCarbide Edge width CW (mm) H PR1535 PR1225 PR1215 PDL025 GW15 2.0 2.5 / 3.0 2.0 2.5 / 3.0 Carbon steel ✩ ★ ✩70 ~ 15070 ~ 15070 ~ 180‐ ‐ 0.03 ~ 0.1 0.04 ~ 0.12 0.01 ~ 0.04 0.01 ~ 0.05 ✩ ★ ✩ Alloy steel 70 ~ 150 70 ~ 150 70 ~ 180 ‐ ‐ Stainless steel ★ ✩ ✩60 ~ 12060 ~ 12060 ~ 150‐ ‐ 0.02 ~ 0.07 0.02 ~ 0.08 0.01 ~ 0.03 0.01 ~ 0.04 Cast iron ‐ ‐ ★80 ~ 200 ‐ ✩50 ~ 100 0.04 ~ 0.1 0.04 ~ 0.12 0.01 ~ 0.04 0.01 ~ 0.05 Aluminum Alloys ‐ ‐ ★ ✩‐200 ~ 500200 ~ 450‐ ‐ 0.01 ~ 0.05 0.01 ~ 0.06 Brass ★‐‐‐‐100 ~ 200 ‐ ‐ 0.01 ~ 0.07 0.01 ~ 0.08 ★: 1st Recommendatio ✩: 2nd Recommendation Application map Cut-off High feed rate PH General purpose PV M PQ PF For automatic lathe (Medium feed) PG For automatic lathe (Low feed) For automatic lathe (Low cutting force) Low feed rate High H29