{"Diameter - Metric (D)":["3","3.1","3.175","3.2","3.3","3.4","3.5","3.572","3.6","3.7","3.8","3.9","3.969","4","4.089","4.1","4.2","4.3","4.366","4.4","4.5","4.6","4.65","4.7","4.763","4.8","4.9","5","5.1","5.159","5.2","5.3","5.4","5.41","5.5","5.556","5.6","5.7","5.8","5.9","5.953","6","6.1","6.2","6.3","6.35","6.4","6.5","6.528","6.6","6.7","6.746","6.8","6.9","7","7.1","7.145","7.2","7.3","7.4","7.5","7.541","7.6","7.7","7.8","7.9","7.938","8","8.1","8.2","8.3","8.334","8.4","8.433","8.5","8.6","8.7","8.733","8.8","8.9","9","9.1","9.129","9.2","9.25","9.3","9.4","9.5","9.525","9.6","9.7","9.8","9.9","9.921","10","10.1","10.2","10.3","10.319","10.4","10.5","10.6","10.7","10.716","10.8","10.9","11","11.1","11.113","11.2","11.3","11.4","11.5","11.509","11.6","11.7","11.8","11.9","11.908","12","12.1","12.2","12.3","12.4","12.5","12.6","12.7","12.8","12.9","13","13.1","13.2","13.3","13.4","13.495","13.5","13.7","14","14.288","14.5","14.684","14.7","15","15.083","15.5","15.7","15.875","16","16.5","16.669","17","17.5","18","18.5","19","19.05","19.5","20"],"Number of Flutes":"2","Drilling L/D Ratio (xD)":"8","Diameter - Inch (D)":["0.11811","0.12205","0.125","0.12598","0.12992","0.13386","0.1378","0.140625","0.14173","0.14567","0.14961","0.15354","0.15625","0.15748","0.161","0.16142","0.16535","0.16929","0.171875","0.17323","0.17717","0.1811","0.18307","0.18504","0.1875","0.18898","0.19291","0.19685","0.20079","0.203125","0.20472","0.20866","0.2126","0.213","0.21654","0.21875","0.22047","0.22441","0.22835","0.23228","0.234375","0.23622","0.24016","0.24409","0.24803","0.25","0.25197","0.25591","0.257","0.25984","0.26378","0.265625","0.26772","0.27165","0.27559","0.27953","0.28125","0.28346","0.2874","0.29134","0.29528","0.296875","0.29921","0.30315","0.30709","0.31102","0.3125","0.31496","0.3189","0.32283","0.32677","0.328125","0.33071","0.332","0.33465","0.33858","0.34252","0.34375","0.34646","0.35039","0.35433","0.35827","0.359375","0.3622","0.36417","0.36614","0.37008","0.37402","0.375","0.37795","0.38189","0.38583","0.38976","0.390625","0.3937","0.39764","0.40157","0.40551","0.40625","0.40945","0.41339","0.41732","0.42126","0.421875","0.4252","0.42913","0.43307","0.43701","0.4375","0.44094","0.44488","0.44882","0.45276","0.453125","0.45669","0.46063","0.46457","0.4685","0.46875","0.47244","0.47638","0.48031","0.48425","0.48819","0.49213","0.49606","0.5","0.50394","0.50787","0.51181","0.51575","0.51969","0.52362","0.52756","0.53125","0.5315","0.53937","0.55118","0.5625","0.57087","0.578125","0.57874","0.59055","0.59375","0.61024","0.61811","0.625","0.62992","0.64961","0.65625","0.66929","0.68898","0.70866","0.72835","0.74803","0.75","0.76772","0.7874"],"Shank Diameter - Metric (d)":["4","6","8","10","12","14","16","18","20"],"Overall Length - Metric (L)":["77","81","85","90","97","106","116","131","139","155","163","182","204","223","244"],"Flute Length - Metric (FL)":["34","36","43","45","50","57","66","76","87","95","106","114","133","152","171","190"],"Helix Angle - Degree":"30","Substrate":"Carbide","Feature 4":"DIN Shanks (6, 8, 10, 12, 14, 16, 18, 20mm)","Web Literature 1":"8002024CA-DR,283|8002024CA-DRT,30","Shank Tolerance":"h6","Web Literature 2":"800220CA-V6","Surface Treatment":"EgiAs","Feature 3":"EgiAs Coating","Benefit 3":"Higher coating oxidation temp & hardness dramatically improve wear resistance","List Name":"HP-OH-8D","Web Literature 4":"800387CA","Product Overview":"8D, Coolant Thru, EgiAs","Hardened Steels : 35 HRC":"H; Best","Cast Iron":"K; Best","High Carbon Steel : 1065":"P; Best","Benefit 4":"Larger shank provides more rigidity and minimizes the number of holders/collets needed to accommodate all sizes","Hardened Steels : 35-45 HRC":"H; Good","Low Carbon Steel : 1010; 1018":"P; Best","Brand":"HY-PRO CARB","Aluminum : Casting":"N; Good","Feature 1":"Negative Radial Rake","Medium Carbon Steel : 1035; 1045":"P; Best","Stainless Steels : 17-4PH":"M; Good","Stainless Steels : 300":"M; Good","Stainless Steels : 400":"M; Good","Short Description":"Performance Carbide Coolant Drills for a Variety of Materials & Applications","Cutting Diameter Tolerance Specification":"m7","Benefit 2":"Provides more consistent performance from the first hole to the last hole","Point Thinning":"R Thinning","Feature 2":"Refined honing on cutting edge","Units":["Metric","Inch"],"Alloy Steels : 4140; 4340":"P; Best","Die Steels":"P; Best","View Catalog Page":"Here","View Speed and Feed Page":"Here","Cutting Direction":"RH","Benefit 1":"Stronger cutting edge to resist chipping","Helix Direction":"RH","Length of Cut - Specification":"TAPER","Nickel Alloy : Inconel":"S; Good","Titanium : 6AL4V (30HRC)":"S; Good","Full Description":"The HY-PRO® CARB carbide drill series is an ideal blend of performance and cost-efficiency. Strong radial rake combined with precision point geometry and EgiAs coating makes this drill extremely versatile in application. Be it solid or coolant-through, th","Cutting Diameter Tolerance - Inch":["+0.0001 / +0.0005","+0.0002 / +0.0006","+0.0002 / +0.0008","+0.0003 / +0.0010","+0.0003 / +0.0011"],"Cutting Diameter Tolerance - Metric":["+0.002 / +0.012","+0.004 / +0.016","+0.006 / +0.021","+0.007 / +0.025","+0.008 / +0.029"],"Coolant Thru":"Yes","Point Angle - Degree (α)":"140","Diameter - Fractional Size (D)":["1/8","9/64","5/32","11/64","3/16","13/64","7/32","15/64","1/4","17/64","9/32","19/64","5/16","21/64","11/32","23/64","3/8","25/64","13/32","27/64","7/16","29/64","15/32","1/2","17/32","9/16","37/64","19/32","5/8","21/32","3/4"],"Diameter - Wire Gage (D)":["20","3"],"Diameter - Letter Size (D)":["E","F","Q"],"Diameter-Sizes":"0.11811\" - 20mm","Flute-Sizes":"34mm - 190mm","Neck-Sizes":"-","Taper-Sizes":"-","Overall-Sizes":"77mm - 244mm","Shank-Sizes":"4mm - 20mm","Images":["https://res.cloudinary.com/osg-usa-inc/image/upload/f_jpg,q_auto//Products%2FDrilling%2FSolid%2FTaper%20Drills%2FList%20HP258/Drills_-_Drill_-_HY-PRO_CARB_-_List_HP258_-_Catalog_2"],"Friendly Name":"HP258"}