a a a Milling Multi-Function end mill Applicable inserts Recommended cutting conditions (MEY) Recommended insert grades (Vc: m/min) fz (mm/t) Workpiece material MEGACOAT Drilling Shouldering,slotting PR1225 PR1210 Carbon steel 0.08~0.15 0.05~0.25 ★120~250 - Alloy steel 0.08~0.15 0.05~0.25 ★100~220 - Mold steel 0.08~0.12 0.05~0.15 ★80~180 - Stainless steel 0.08~0.12 0.05~0.15 ★120~220 - Cast iron 0.05~0.20 0.05~0.25 - ★100~220 ★: 1st Recommendation ✩: 2nd Recommendation Caution of drilling Shape of the bottom of the drilled hole 1. Drilling conditions should be calculated as oneflute line. Cutting dia.(DC) Max. hole depth(mm) Cutting dia. a (mm) Shape of the bottom 2. Use compressed air during drilling. ø16 13 ø16,ø17 0.5 Cutting dia. DC 3. Carbon steel other than low carbon steel can be ø17 13 drilled to a depth of 0.5D without step feeding. ø20 17ø2117 ø20,ø21 0.64 For soft steel or sticky material such as stainless steel, ø25 22Step feed drilling (0.5 ~ 1.0mm) is recommended.ø2622ø25,ø260.85 4. For stainless steel drilling, coolant is recommended. ø32 295. Please refer to right list for maximum hole depth.ø3329ø32,ø331.12ø16 ~ ø33 ø40 36 Cutting dia. DC Cutting dia. DC ø50 40 ø40 1.54 ø50 1.65 Examples of MEY multi-function machining ø16 ~ ø33 ø40, ø50 M Drilling Slotting Ramping + Helical milling Pocketing Helical milling Ramping Vertical milling (Plunging) Shouldering M165