Yg-1 Tool Company 4G MILL, 6 Flute 45° Helix Square End mill, SEME7512060150, D=12 L=150

YG-1 4G MILL, 6 Flute 45° Helix Square End mill, SEME7512060150, D=12  L=150   EDP No. R D1 D2 L1 L3 L2 Mill Dia. Tolerance Shank Dia.Tolerance No. of Flute SEME7512060150 　 12 12 60 　 150 0~-0.030 h5 6  (Unit : mm) Feature “The most cost reducing solution with various compatibility”Efficient when you change tools, compare with conventional solid End millsVarious Selections of Square, Corner radius and ball type with 2, 4, & 6 flutesLonger tool life based on YG-1’s advanced coating technology     High Speed Cutting for Pre-Hardened Steels up to HRc55 -4G MILLS Suitable for a wide range of work material, specifically for increasing tool life when machining pre-hardened materials, low hardness materials, cast iron, etc. High speed cutting, dry and wet cut recommended together.    Cutting Conditions   ISO VDI 3323 Material Description Composition / Structure / Heat Treatment HB HR ◎ : Excellent ○ : Good P 1 Non-alloy steel About 0.15% C            Annealed 125 ○ 2 About 0.45% C            Annealed 190 13 ○ 3 About 0.45% C            Quenched & Tempered 250 25 ◎ 4 About 0.75% C            Annealed 270 28 ◎ 5 About 0.75% C            Quenched & Tempered 300 32 ◎ 6 Low alloy steel Annealed 180 10 ○ 7 Quenched & Tempered 275 29 ◎ 8 Quenched & Tempered 300 32 ◎ 9 Quenched & Tempered 350 38 ◎ 10 High alloyed steel, and tool steel Annealed 200 15 ○ 11 Quenched & Tempered 325 35 ◎ M 12 Stainless steel Ferritic / Martensitic   Annealed 200 15 13 Martensitic                   Quenched & Tempered 240 23 14 Austenitic 180 10 K 15 Grey cast iron Pearlitic / ferritic 180 10 ○ 16 Pearlitic (Martensitic) 260 26 ○ 17 Nodular cast iron Ferritic 160 3 ○ 18 Pearlitic 250 25 ○ 19 Malleable cast iron Ferritic 130 ○ 20 Pearlitic 230 21 ○ N 21 Aluminum wrought alloy Not Curable 60 22 Curable         Hardened 100 23 Aluminum-cast, alloyed ≤ 12% Si, Not Curable 75 24 ≤ 12% Si, Curable        Hardened 90 25 > 12% Si, Not Curabl 130 26 Copper and Copper Alloys (Bronze / Brass) Cutting Alloys, PB>1% 110 27 CuZn, CuSnZn (Brass) 90 28 CuSn, lead-free copper and electrolytic copper 100 29 Non Metallic Materials Duroplastic, Fiber Reinforced Plastic 30 Rubber, Wood, etc. S 31 Heat Resistant Super Alloys Fe Based      Annealed 200 15 32 Fe Based      Cured 280 30 33 Ni or Co Based        Annealed 250 25 34 Ni or Co Based        Cured 350 38 35 Ni or Co Based        Cast 320 34 36 Titanium Alloys Pure Titanium 400 Rm 37 Alpha + Beta Alloys    Hardened 10500 Rm H 38 Hardened steel Hardened 550 55 ○ 39 Hardened 630 60 40 Chilled Cast Iron Cast 400 42 ◎ 41 Hardened Cast Iron Hardened 550 55 ○