Milling Insert SDNW, SPMG, SPMN SDNW Alloy Steel Finishing Stainless Steel Semi Finishing Cast Iron Medium H Hard Steel Roughing Dimension (mm) Application Material Type Designation Grade D S R P M K H CP3020 ★ ★★★ ★★ ◎ ○ ○ ○ SDNW 1205 ZDTN-RG 12.7 5.56 15 CP3050 ★ ★★★ ★★ ◎ ○ ○ ○ ★ Acceptable ★★ Recommended ★★★ Excellent ◎ First Recommend ○ Second Recommend Cutter Page : B37 SPMG Alloy Steel Finishing Stainless Steel Semi Finishing Cast Iron Medium 11° H Hard Steel Roughing Dimension (mm) Application Material Type Designation Grade Ic S r d1 P M K H CP3020 ★★★ ◎ ○ ◎ SPMG 050204-MG 5.0 2.38 0.4 2.30 CP3050 ★★★ ◎ ○ ◎ CP3020 ★★★ ◎ ○ ◎ SPMG 060204-MG 6.0 2.38 0.4 2.65 CP3050 ★★★ ◎ ○ ◎ ★ Acceptable ★★ Recommended ★★★ Excellent ◎ First Recommend ○ Second Recommend Cutter Page : B38~B39 SPMN Alloy Steel Finishing Stainless Steel Semi Finishing Cast Iron Medium H Hard Steel Roughing Dimension (mm) Application Material Type Designation Grade D S R P M K H CP3020 ★ ★★★ ★★ ◎ ○ ○ ○ SPMN 120308 12.7 3.18 0.8 CP3050 ★ ★★★ ★★ ◎ ○ ○ ○ ★ Acceptable ★★ Recommended ★★★ Excellent ◎ First Recommend ○ Second Recommend B08