Indexable Milling CuttersMilling Indexable Milling Cutters CF21 Copy Milling Insert Specifications Dimensions (mm) Insert A B S d1 WP3212 12 6 2.5 5 WP3216 16 6 3 5 WP3220 20 6 3 5 WP3225 25 9 4 6 WP3232 32 10 5 8 Insert Order Code Working Material Insert Order No. Designation P M K N S H IWP3212SM22HS WP3212-SM-CX22HS ● ● ● ○ ● IWP3216SM22HS WP3216-SM-CX22HS ● ● ● ○ ● IWP3220SM22HS WP3220-SM-CX22HS ● ● ● ○ ● IWP3225SM22HS WP3225-SM-CX22HS ● ● ● ○ ● IWP3232SM22HS WP3232-SM-CX22HS ● ● ● ○ ● IWP3212MM22HS WP3212-MM-CX22HS ● ● ● ○ ● IWP3216MM22HS WP3216-MM-CX22HS ● ● ● ○ ● IWP3220MM22HS WP3220-MM-CX22HS ● ● ● ○ ● IWP3225MM22HS WP3225-MM-CX22HS ● ● ● ○ ● IWP3232MM22HS WP3232-MM-CX22HS ● ● ● ○ ● Recommended Cutting Conditions Working Material Vc fzWP3212WP3216WP3220WP3225WP3232ap Carbon Steel / Alloy Steel 150 ~ 300 0.20 0.20 0.25 0.25 0.30 ≤ 0.03 × ØD Stainless Steel 100 ~ 250 0.20 0.20 0.25 0.25 0.30 ≤ 0.03 × ØD Cast Iron 90 ~ 350 0.25 0.30 0.30 0.35 0.40 ≤ 0.04 × ØD Hardened Steel 100 ~ 350 0.10 0.125 0.15 0.20 0.25 ≤ 0.02 × ØD A378