{"Overall Length - Inch (L)":["3.25","4","3.75","4.125","4.625","5.125","3.875","5.25","4.5","5.75","2.4375","2.5","3.0625","3.125","2.625","2.6875","4.25","5.5","6.5","6.25","7.5","6.75","7.75","9.75","11.75"],"Number of Flutes":["4","5","6","8"],"Diameter - Fractional Size (D)":["1/2","5/8","3/4","7/8","1/4","5/16","3/8","7/16","1","1-1/8","1-1/4","1-1/2","1-3/4","2"],"Diameter - Inch (D)":["0.5","0.625","0.75","0.875","0.25","0.3125","0.375","0.4375","1","1.125","1.25","1.5","1.75","2"],"Length of Cut - Inch (Lc)":["1.25","2","1.625","2.5","3","2.25","1.875","3.5","0.625","0.75","1.375","0.875","1.5","1","4","5","6","8"],"Helix Angle - Degree":"30","Shank Diameter - Inch (d)":["0.5","0.625","0.75","0.875","0.375","1","1.25","2"],"Web Literature 4":"800388CA","Stainless Steels : 300":"M; Good","Substrate":"HSS-CO","Web Literature 1":"8002024CA-EM,180|8002024CA-EMT,88","Brand":"OSG","Surface Treatment":"BRIGHT","Notes":"Other coatings available upon request. 2\" diameter shanks have combination drive.","Units":"Inch","Hardened Steels : 35 HRC":"H; Good","Cast Iron":"K; Good","List Name":"COBALT HSS ROUGHER SQ","Full Description":"Cobalt-HSS Roughing Cut End Mills for Ferrous and Non-Ferrous Materials","Short Description":"Cobalt-HSS Roughing Cut End Mills for Ferrous and Non-Ferrous Materials","Alloy Steels : 4140; 4340":"P; Good","Die Steels":"P; Good","Stainless Steels : 17-4PH":"M; Good","High Carbon Steel : 1065":"P; Good","Low Carbon Steel : 1010; 1018":"P; Good","View Speed and Feed Page":"Here","View Catalog Page":"Here","Stainless Steels : 400":"M; Good","Aluminum : Casting":"N; Good","Product Overview":"Multiple Flute, HSS-Co, Regular Pitch, Roughing Cut","Coolant Thru":"No","Aluminum : 6061; 7075":"N; Good","Cutting Type":"Non-Center Cutting","Medium Carbon Steel : 1035; 1045":"P; Good","Weldon Flat":"Yes","Mill Type":"Single End","End Cut Type":"Square End","Length of Cut - Specification":["REGULAR","LONG","STUB"],"Cutting Direction":"RH","Helix Direction":"RH","Type (feature)":"Roughing","Titanium : 6AL4V (30HRC)":"S; Good","Diameter-Sizes":"1/4\" - 2\"","Flute-Sizes":"-","Neck-Sizes":"-","Taper-Sizes":"-","Overall-Sizes":"2.4375\" - 11.75\"","Shank-Sizes":"0.375\" - 2\"","Images":["https://res.cloudinary.com/osg-usa-inc/image/upload/f_jpg,q_auto//Products%2FMilling%2FSolid%2FSquare%20End%2FList%20490/End_Mills_-_End_Mill_-_Roughing_Cut_-_List_490_-_Roughing_End_Mills"],"Friendly Name":"490"}