Description {"Images":["https://res.cloudinary.com/osg-usa-inc/image/upload/f_jpg,q_auto//Products%2FMilling%2FSolid%2FSquare%20End%2FList%20HP400/End_Mills_-_End_Mill_-_HY-PRO_CARB_-_List_HP400_-_Square_End_-_Catalog"],"Number of Flutes":"4","Overall Length - Inch (L)":["4","2.5","3","3.5"],"Shank Diameter - Inch (d)":["1","0.25","0.3125","0.375","0.5","0.625","0.75"],"Diameter - Fractional Size (D)":["1","1/4","5/16","3/8","1/2","5/8","3/4"],"Diameter - Inch (D)":["1","0.25","0.3125","0.375","0.5","0.625","0.75"],"Length of Cut - Inch (Lc)":["1.75","0.75","1","1.25","1.625"],"Helix Angle - Degree":"30","Stainless Steels : 17-4PH":"M; Good","Product Overview":"4 Flute, Roughing, TiAlN","Web Literature 4":"800388CA","Stainless Steels : 300":"M; Good","Web Literature 1":"8002024CA-EM,121|8002024CA-EMT,66","Units":["Inch","Metric"],"Substrate":"Carbide","Hardened Steels : 35 HRC":"H; Good","Hardened Steels : 35-45 HRC":"H; Good","Cast Iron":"K; Good","Cutting Type":"Center Cutting","Hardened Steels : 45-50 HRC":"H; Good","Shank Tolerance":"h6","Alloy Steels : 4140; 4340":"P; Good","Die Steels":"P; Good","High Carbon Steel : 1065":"P; Good","Low Carbon Steel : 1010; 1018":"P; Good","View Speed and Feed Page":"Here","View Catalog Page":"Here","Coolant Thru":"No","Stainless Steels : 400":"M; Good","Weldon Flat":"No","Medium Carbon Steel : 1035; 1045":"P; Good","Full Description":"Performance Carbide TiAlN End Mills for Ferrous and Non-Ferrous Materials","Short Description":"Performance Carbide TiAlN End Mills for Ferrous and Non-Ferrous Materials","Mill Type":"Single End","End Cut Type":"Square End","Length of Cut - Specification":["STUB","LONG","REGULAR"],"Cutting Direction":"RH","Surface Treatment":"TiAlN","Cutting Diameter Tolerance - Inch":"+0 / -0.0015","Helix Direction":"RH","List Name":"ROUGHER","Type (feature)":"Roughing","Nickel Alloy : Inconel":"S; Good","Titanium : 6AL4V (30HRC)":"S; Good","Diameter - Metric (D)":["3","4","5","6","8","10","12","16","20","25"],"Overall Length - Metric (L)":["64","70","76","89","102"],"Cutting Diameter Tolerance - Metric":"+0 / -0.038","Shank Diameter - Metric (d)":["6","8","10","12","16","20","25"],"Length of Cut - Metric (Lc)":["10","14","15","19","21","25","32","38"],"Diameter-Sizes":"3mm - 1\"","Flute-Sizes":"-","Neck-Sizes":"-","Taper-Sizes":"-","Overall-Sizes":"2.5\" - 102mm","Shank-Sizes":"6mm - 1\"","Friendly Name":"HP400","CategoryBrand":"HY-PRO CARB"}