{"Number of Flutes":"4","Diameter - Inch (D)":["0.125","0.1875","0.25","0.3125","0.375","0.5","0.625","0.75"],"Diameter - Fractional Size (D)":["1/8","3/16","1/4","5/16","3/8","1/2","5/8","3/4"],"Shank Diameter - Inch (d)":["0.125","0.1875","0.25","0.3125","0.375","0.5","0.625","0.75"],"Length of Cut - Inch (Lc)":["0.75","1.125","2","2.25"],"Overall Length - Inch (L)":["2.25","3","4","5"],"Product Overview":"4 Flute, Super Tough, TiAlN","Stainless Steels : 17-4PH":"M; Good","Helix Angle - Degree":"50","Stainless Steels : 300":"M; Good","Length of Cut - Specification":["EXTRA LONG","REGULAR","LONG"],"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","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","Cutting Direction":"RH","List Name":"SUPER TOUGH MILL-SQ","Surface Treatment":"TiAlN","Cutting Diameter Tolerance - Inch":"+0 / -0.0015","Helix Direction":"RH","Diameter - Metric (D)":["4","6","8","10","12","16","20"],"Overall Length - Metric (L)":["60","75","80","102","110","125"],"Cutting Diameter Tolerance - Metric":"+0 / -0.038","Shank Diameter - Metric (d)":["6","8","10","12","16","20"],"Length of Cut - Metric (Lc)":["12","15","20","25","30","40","45"],"CategoryBrand":"HY-PRO CARB","Diameter-Sizes":"1/8\" - 20mm","Flute-Sizes":"-","Neck-Sizes":"-","Taper-Sizes":"-","Overall-Sizes":"2.25\" - 5\"","Shank-Sizes":"0.125\" - 20mm","Images":["https://res.cloudinary.com/osg-usa-inc/image/upload/f_jpg,q_auto//Products%2FMilling%2FSolid%2FSquare%20End%2FList%20HP451/End_Mills_-_End_Mill_-_HY-PRO_CARB_-_List_HP451_-_Square_End_-_Catalog"],"Friendly Name":"HP451"}