{"Images":["https://res.cloudinary.com/osg-usa-inc/image/upload/f_jpg,q_auto//Products%2FMilling%2FSolid%2FSquare%20End%2FList%20581/End_Mills_-_End_Mill_-_Single_End_Multiple_Flute_-_List_581_-_Catalog"],"Diameter - Metric (D)":["3","4","5","6","7","8","9","10","11","12","13","14","15","16","17","18","19","20","21","22","23","24","25","28","32","36","40","45","3.5","4.5","5.5","6.5","7.5","8.5","9.5","10.5","11.5","12.5","13.5","14.5"],"Length of Cut - Metric (Lc)":["9.52","11.11","14.28","15.87","17.46","19.05","25.4","31.75","34.92","41.27","47.62","50.8","12.7"],"Number of Flutes":["4","6"],"Overall Length - Metric (L)":["58.7","60.3","61.9","63.5","68.2","82.5","85.7","95.2","98.4","104.7","114.3"],"Cutting Diameter Tolerance - Metric":"+0.028 / -0","Shank Diameter - Metric (d)":["9.52","12.7","15.87","19.05","22.22","25.4","31.75"],"Product Overview":"3 Flute, HSS-Co, Regular Length, Center Cutting & Center Hole","Helix Angle - Degree":"30","Web Literature 4":"800388CA","Stainless Steels : 300":"M; Good","Substrate":"HSS-CO","Web Literature 1":"8002024CA-EM,161|8002024CA-EMT,84","Notes":"Other coatings available upon request.","Surface Treatment":"BRIGHT","Alloy Steels : 4140; 4340":"P; Best","Die Steels":"P; Best","Hardened Steels : 35 HRC":"H; Good","High Carbon Steel : 1065":"P; Best","Hardened Steels : 35-45 HRC":"H; Good","Cast Iron":"K; Good","Low Carbon Steel : 1010; 1018":"P; Best","Length of Cut - Specification":["LONG","REGULAR","STUB"],"List Name":"COBALT HSS CE-EMS","Medium Carbon Steel : 1035; 1045":"P; Best","Full Description":"High Performance Cobalt HSS End Mills for General Milling Applications","Short Description":"High Performance Cobalt HSS End Mills for General Milling Applications","Stainless Steels : 17-4PH":"M; Good","View Speed and Feed Page":"Here","View Catalog Page":"Here","Aluminum : 6061; 7075":"N; Good","Stainless Steels : 400":"M; Good","Units":"Metric","Aluminum : Casting":"N; Good","Coolant Thru":"No","Cutting Type":"Non-Center Cutting","Weldon Flat":"Yes","Mill Type":"Single End","End Cut Type":"Square End","Cutting Direction":"RH","Helix Direction":"RH","Titanium : 6AL4V (30HRC)":"S; Good","Diameter-Sizes":"3mm - 45mm","Flute-Sizes":"-","Neck-Sizes":"-","Taper-Sizes":"-","Overall-Sizes":"58.7mm - 114.3mm","Shank-Sizes":"9.52mm - 31.75mm","Friendly Name":"581","CategoryBrand":"OSG"}