{"Images":["https://res.cloudinary.com/osg-usa-inc/image/upload/f_jpg,q_auto//Products%2FMilling%2FSolid%2FSquare%20End%2FList%20520/End_Mills_-_End_Mill_-_Single_End_Mills_-_List_520_-_Catalog"],"Number of Flutes":"2","Diameter - Inch (D)":["0.125","0.1875","0.25","0.3125","0.375","0.4375","0.5","0.5625","0.625","0.6875","0.75","0.53125","0.59375","0.65625","0.71875","0.8125","0.875","0.9375","1","0.78125","0.84375","0.90625","0.96875","1.125","1.25","1.375","1.5","1.75","2","0.15625","0.21875","0.28125","0.34375","0.40625","0.46875"],"Cutting Diameter Tolerance - Inch":"+0.003 / -0","Diameter - Fractional Size (D)":["1/8","3/16","1/4","5/16","3/8","7/16","1/2","9/16","5/8","11/16","3/4","17/32","19/32","21/32","23/32","13/16","7/8","15/16","1","25/32","27/32","29/32","31/32","1-1/8","1-1/4","1-3/8","1-1/2","1-3/4","2","5/32","7/32","9/32","11/32","13/32","15/32"],"Product Overview":"2 Flute, HSS-Co, Regular Length","Length of Cut - Inch (Lc)":["0.375","0.4375","0.5","0.5625","0.8125","1","1.125","1.3125","1.5","1.625","2"],"Overall Length - Inch (L)":["2.3125","2.5","3","3.125","3.3125","3.4375","3.625","3.5625","3.75","3.875","4.125","5.75"],"Helix Angle - Degree":"30","Shank Diameter - Inch (d)":["0.375","0.5","0.625","0.75","0.875","1","1.25","2"],"Web Literature 4":"800388CA","Stainless Steels : 300":"M; Good","Substrate":"HSS-CO","Web Literature 1":"8002024CA-EM,154|8002024CA-EMT,74","Surface Treatment":["BRIGHT","TiN"],"Notes":"Other coatings available upon request. 2\" diameter shanks have combination drive.","Units":"Inch","Hardened Steels : 35 HRC":"H; Good","Hardened Steels : 35-45 HRC":"H; Good","Cutting Type":"Center Cutting","Cast Iron":"K; Good","Low Carbon Steel : 1010; 1018":"P; Best","List Name":"COBALT HSS SQ","Medium Carbon Steel : 1035; 1045":"P; Best","Alloy Steels : 4140; 4340":"P; Good","Full Description":"High Performance Cobalt HSS End Mills for General Milling Applications","Short Description":"High Performance Cobalt HSS End Mills for General Milling Applications","Die Steels":"P; Good","Stainless Steels : 17-4PH":"M; Good","High Carbon Steel : 1065":"P; Good","View Speed and Feed Page":"Here","View Catalog Page":"Here","Stainless Steels : 400":"M; Good","Aluminum : Casting":"N; Good","Coolant Thru":"No","Aluminum : 6061; 7075":"N; Good","Weldon Flat":"Yes","Mill Type":"Single End","End Cut Type":"Square End","Length of Cut - Specification":["REGULAR","STUB"],"Cutting Direction":"RH","Helix Direction":"RH","Titanium : 6AL4V (30HRC)":"S; Good","Diameter-Sizes":"1/8\" - 2\"","Flute-Sizes":"-","Neck-Sizes":"-","Taper-Sizes":"-","Overall-Sizes":"2.3125\" - 5.75\"","Shank-Sizes":"0.375\" - 2\"","Friendly Name":"520","CategoryBrand":"OSG"}