{"Major Diameter - Inch":["0.112","0.138","0.164","0.19","0.25","0.3125","0.375","0.5"],"Number of Flutes":"2","Neck Length - Inch (L1)":["0.311","0.385","0.437","0.526","0.489","0.675","0.625","0.819","0.771","0.969","0.896","1.269","1.175"],"Threads Per Inch":["40","32","24","20","28","18","16","13"],"Diameter - Inch (D)":["0.083","0.1","0.122","0.146","0.179","0.224","0.264","0.362"],"Length of Cut - Inch (Lc)":["0.125","0.156","0.208","0.25","0.179","0.278","0.313","0.385"],"Shank Diameter - Inch (d)":["0.25","0.375"],"Overall Length - Inch (L)":["2","3","3.5"],"View Speed and Feed Page":"Here","View Catalog Page":"Here","Feature 4":"2-Flute","Helix Angle - Degree":"30","Web Literature 1":"8002024CA-TP,31|8002024CA-TPT,33","Web Literature 2":"800319CA-V4","Web Literature 4":"800390CA","Brand":"A Brand","Short Description":"Advanced Performance End-Cutting Thread Mill for Non-ferrous Materials","List Name":"AT-2 R-SPEC","Substrate":"Carbide","Product Overview":"Carbide, Durorey Coating, End-Cutting Edge, Inch Sizes","Surface Treatment":"DLC-IGUSS","Feature 1":"DLC-IGUSS Coating","Feature 2":"End Cutting Edge","Notes":"For internal threads only","Benefit 4":"for wide chip room","Shank Tolerance":"h6","Benefit 2":"Helical drilling and threading can be done simultaneously","Web Video 1":"https://youtu.be/lK5CSk-uXnQ","Web Video 2":"https://youtu.be/lK5CSk-uXnQ","Web Video 3":"https://youtu.be/lK5CSk-uXnQ","Units":"Inch","Cutting Direction":"LH","Helix Direction":"LH","Aluminum : 6061; 7075":"N; Best","Aluminum : Casting":"N; Best","Meets 4H Class of Fit":"No","Meets 6H Class of Fit":"No","Thread Size - Number":["No. 4","No. 6","No. 8","No. 10"],"Benefit 3":"Prevents deflection of tool","Benefit 1":"prevents welding on the cutting edge","Full Description":"The high-efficiency thread mill AT-2 R-SPEC is engineered to dramatically reduce machining time in non-ferrous metal applications such as aluminum alloy by its continuous helical cutting ability, which combines drilling and threading into a single process.","Product Category":"Thread Mills","Thread Type":["UNC","UNF"],"Feature 3":"Unique Cutting Edge Shape","Meets 2B Class of Fit":"Yes","Meets 3B Class of Fit":"Yes","Thread Size - Inch":["1/4","5/16","3/8","1/2"],"Coolant Thru":"Yes","Diameter-Sizes":"0.083\" - 0.362\"","Flute-Sizes":"-","Neck-Sizes":"0.311\" - 1.269\"","Taper-Sizes":"-","Overall-Sizes":"2\" - 3.5\"","Shank-Sizes":"0.25\" - 0.375\"","Images":["https://res.cloudinary.com/osg-usa-inc/image/upload/f_jpg,q_auto//Products%2FThreading%2FStyle%2FThread%20Mills%2FList%2016647/End_Mills_-_End_Mill_-_A_Brand_AT-2_List_16647_-_AT-2_R-SPEC_-_Catalog"],"Friendly Name":"16647"}