CX21NS CX31NA CX31NS CX41NS CX41NA Milling Inserts & Tools Face Milling SEKT1204 , SEKW1204 平面銑削刀片 ♦ Face milling insert with 90° lead angle. ♦ Multi Purpose 45° milling insert, designed for high depths of cut. ♦ Suitable for roughing to finishing-face milling operations. Specification P Steel ◎ ◎ ◎ ○ ○ M Stainless steel ○ ○ ○ ◎ ◎ 1st choice 2st choice K Cast iron ◎ ○ ○ ○ ○ Grade Dimensions (mm) Inserts Designation Drawing A B S r d1 t1 SEKT 1204AFTN-RG ✓ ✓ ✓ ✓ 12 - 4.76 0.8 5.5 - SEKW 1204AFEN ✓ ✓ ✓ ✓ 12 - 4.76 0.8 5.5 - Recommended Cutting Conditions Working Material Vc fz ap Carbon Steel (HB85-225) 80 ~ 200 0.10 ~ 0.30 ~ 6.0 Stainless 300 Series 50 ~ 110 0.08 ~ 0.25 ~ 3.0 Cast Iron (HB140-220) 80 ~ 180 0.10 ~ 0.30 ~ 5.0 A073