Tenders for Supply of Morse Tapper Shank Twist Drill With 5.50 Diameter Overall Lenght 138Mm. Flute Lenght 57 Mm M Ade From High Speed Steel Hs, Conforming To Is:5103-1969 With Amendment No 3 Of December 1996. As Per Spe Cn. Is 599 1960 Warranty Period: 30 Months After The Date Of Delivery