This jobber drill bit comes with heavy duty grade and standard type. List number is 1600, number of pieces are 1, high speed steel material, TiN finish, notched point, drill point 120 degree, metric size 11.00 mm, decimal equivalent 0.4331, flute length is 3-45/64", overall length is 151 mm, shank diameter is 0.472". Ideal for aluminum, carbon steel, high nickel alloy, stainless steel and titanium.