Supply Of Solid Carbide Drill Bit As Per Specification No. Din 338 Size - Flute Dia: 3.8Mm, Shan K Dia: 3.8Mm, Flute Length: 43Mm. Overall Length: 75Mm, Drill Dia Tolerance H7, Special Condition-(Ti In) Ti Tanium Nitrate Coated. [ Warranty Period: 30 Months After The Date Of Delivery ] ]