{"Number of Flutes":"4","Major Diameter - Inch":["0.164","0.19","0.25","0.3125","0.375","0.5"],"Neck Diameter - Inch (d1)":["0.0866","0.0988","0.1236","0.139","0.1626","0.1776","0.1945","0.2169","0.2776","0.3067"],"Threads Per Inch":["32","24","20","28","18","16","13"],"Neck Length - Inch (L1)":["0.4059","0.4843","0.6252","0.5894","0.7642","0.7295","0.9063","0.8543","1.1921","1.1252"],"Diameter - Inch (D)":["0.122","0.146","0.179","0.224","0.264","0.362"],"Length of Cut - Inch (Lc)":["0.0938","0.125","0.15","0.1071","0.1667","0.1875","0.2308"],"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","Helix Angle - Degree":"0","Web Literature 1":"8002024CA-TP,29|8002024CA-TPT,32","Web Literature 2":"800319CA-V4","Web Literature 4":"800390CA","Web Literature 3":"800392CA","Brand":"A Brand","Feature 4":"Added roughing teeth","Short Description":"Advanced Performance End-Cutting Thread Mill for High-Hardness Steel","List Name":"AT-2","Substrate":"Carbide","Product Overview":"Carbide, Durorey Coating, End-Cutting Edge, Inch Sizes, Left-Hand Cut","Benefit 2":"Controls tool deflection","Surface Treatment":"DUROREY","Benefit 3":"Enables climb milling to prolong tool life","Benefit 1":"enables superior heat resistance and high toughness optimized for high-hardness steel milling!","Notes":"For internal threads only","Hardened Steels : 35 HRC":"H; Best","Hardened Steels : 35-45 HRC":"H; Best","Hardened Steels : 45-50 HRC":"H; Best","Hardened Steels : 50-70 HRC":"H; Best","Shank Tolerance":"h6","Web Video 1":"https://youtu.be/3w5ya1QxN9M","Web Video 2":"https://youtu.be/3w5ya1QxN9M","Web Video 3":"https://youtu.be/3w5ya1QxN9M","Units":"Inch","Cast Iron":"K; Best","Feature 3":"Left-hand cut configuration","Cutting Direction":"LH","Stainless Steels : 17-4PH":"M; Best","Stainless Steels : 300":"M; Good","Stainless Steels : 400":"M; Good","Aluminum : 6061; 7075":"N; Good","Aluminum : Casting":"N; Good","Feature 1":"Newly developed DUROREY coating","Meets 4H Class of Fit":"No","Meets 6H Class of Fit":"No","Thread Size - Number":["No. 8","No. 10"],"Alloy Steels : 4140; 4340":"P; Best","Die Steels":"P; Best","High Carbon Steel : 1065":"P; Best","Medium Carbon Steel : 1035; 1045":"P; Best","Low Carbon Steel : 1010; 1018":"P; Good","Nickel Alloy : Inconel":"S; Good","Titanium : 6AL4V (30HRC)":"S; Good","Feature 2":"Special cutting edge shape","Full Description":"The OSG A Brand AT-2 Thread mills with end-cutting edge for high hardness steels is ideal for highly difficult high hardness steel applications. The risk of sudden tool breakage can be minimized by breaking chips into small and manageable pieces and evacu","Product Category":"Thread Mills","Benefit 4":"to distribute the load","Thread Type":["UNC","UNF"],"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":"0.122\" - 0.362\"","Flute-Sizes":"-","Neck-Sizes":"0.4059\" - 1.1921\"","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%2016645/Taps_-_Thread_Mill_-_A_Brand_AT-2_-_List_16645_-_Catalog","https://res.cloudinary.com/osg-usa-inc/image/upload/f_jpg,q_auto//Products%2FThreading%2FStyle%2FThread%20Mills%2FList%2016645/OSG_-_Website_-_Product_Overview_-_AT-2","https://res.cloudinary.com/osg-usa-inc/image/upload/f_jpg,q_auto//Products%2FThreading%2FStyle%2FThread%20Mills%2FList%2016645/OSG_-_Website_-_Product_Overview_-_AT-2_-_3","https://res.cloudinary.com/osg-usa-inc/image/upload/f_jpg,q_auto//Products%2FThreading%2FStyle%2FThread%20Mills%2FList%2016645/OSG_-_Website_-_Product_Overview_-_AT-2_-_2","https://res.cloudinary.com/osg-usa-inc/image/upload/f_jpg,q_auto//Products%2FThreading%2FStyle%2FThread%20Mills%2FList%2016645/Taps_-_Thread_Mill_-_A_Brand_AT-2_-_List_16645_-_Action_1","https://res.cloudinary.com/osg-usa-inc/image/upload/f_jpg,q_auto//Products%2FThreading%2FStyle%2FThread%20Mills%2FList%2016645/Taps_-_Thread_Mill_-_A_Brand_AT-2_-_List_16645_-_Action_3","https://res.cloudinary.com/osg-usa-inc/image/upload/f_jpg,q_auto//Products%2FThreading%2FStyle%2FThread%20Mills%2FList%2016645/Taps_-_Thread_Mill_-_A_Brand_AT-2_-_List_16645_-_Action_4","https://res.cloudinary.com/osg-usa-inc/image/upload/f_jpg,q_auto//Products%2FThreading%2FStyle%2FThread%20Mills%2FList%2016645/Taps_-_Thread_Mill_-_A_Brand_AT-2_-_List_16645_-_Workpiece_4","https://res.cloudinary.com/osg-usa-inc/image/upload/f_jpg,q_auto//Products%2FThreading%2FStyle%2FThread%20Mills%2FList%2016645/OSG_-_Website_-_Product_Overview_-_AT-2_-_4"],"Friendly Name":"16645"}