procurement of hss tools :-hss taper shank twist drill specification conforming to is: 5103-1969 , dia . - 16 mm , hss taper shank twist drill specification conforming to is: 5103-1969 , dia . - 17 . 50 mm , hss taper shank twist drill specification conforming to is: 5103-1969 , dia . - 20 mm , hss taper shank twist drill specification conforming to is: 5103-1969 , dia . - 24 mm , hss taper shank twist drill specification conforming to is: 5103-1969 , dia . - 27 mm , hss taper shank twist drill specification conforming to is: 5103-1969 , dia . - 32 mm , hss taper shank twist drill specification conforming to is: 5103-1969 , dia . - 45 mm , hss taper shank twist drill specification conforming to is: 5103-1969 , dia . - 48 mm , hss taper shank twist drill specification conforming to is: 5103-1969 , dia . - 50 mm , hss taper shank twist drill specification conforming to is: 5103-1969 , dia . - 60 mm , hss taper shank twist drill extra long series specification conforming to is: 7822: 2005 dimensions in mm drill dia . 10 x overall length 400 , hss taper shank twist drill extra long series specification conforming to is: 7822: 2005 dimensions in mm drill dia . 12 x overall length 400 , hss taper shank twist drill extra long series specification conforming to is: 7822: 2005 dimensions in mm drill dia . 16 x overall length 500 , hss parallel shank twist drill jobber series specification conforming to is: 5101-1991 , drill dia . 8 mm , hss parallel shank twist drill jobber series specification conforming to is: 5101-1991 , drill dia . 10 mm , hss center drill type-a s specification conforming to is 6708-1977 dimensions in mm pilot dia . 6 . 30 x body dia . 16 x overall length 74 , hss involute gear cutter specification conforming to bs: 2518-1954 , bore - 27 mm , mn - 2 , cn - 8 , pa - 20 , hss involute gear cutter specification conforming to bs: 2518-1954 , bore - 27 mm , mn - 2 , cn - 7 , pa - 20 , hss involute gear cutter specification conforming to bs: 2518-1954 , bore - 27 mm , mn - 3 . 75 , cn - 3 , pa - 14 . 1 / 2 , hss involute gear cutter specification conforming to bs: 2518-1954 , bore - 32 mm , mn - 8 , hss involute gear cutter specification conforming to bs: 2518-1954 , bore - 32 mm , mn - 7 , hss involute gear cutter specification conforming to bs: 2518-1954 , bore - 27 mm , mn - 6 , hss involute gear cutter specification conforming to bs: 2518-1954 , bore - 27 mm , mn - 5 , hss involute gear cutter specification conforming to bs: 2518-1954 , bore - 27 mm , mn - 3 . 75 , hss parallel shank end mill cutter specification conforming to is: 6353-1991 , dimensions in mm , dia . - 4 , overall length - 43 , hss parallel shank end mill cutter specification conforming to is: 6353-1991 , dimensions in mm , dia . - 8 , overall length - 63 , hss parallel shank end mill cutter specification conforming to is: 6353-1991 , dimensions in mm , dia . - 10 , overall length - 72 , hss parallel shank end mill cutter specification conforming to is: 6353-1991 , dimensions in mm , dia . - 16 , overall length - 92 , hss parallel shank end mill cutter specification conforming to is: 6353-1991 , dimensions in mm , dia . - 20 , overall length - 104 , hss parallel shank end mill cutter specification conforming to is: 6353-1991 , dimensions in mm , dia . - 26 , overall length - 121 , hss parallel shank end mill cutter specification conforming to is: 6353-1991 , dimensions in mm , dia . - 30 , overall length - 133 , hss square bar size : 1 / 2 x 1 / 2 x 6 cobalt 10% , hss square bar size : 5 / 8 x 5 / 8 x 6 cobalt 10% , hss square bar size : 3 / 4 x 3 / 4 x 6 cobalt 10% , hss square bar size : 1 x 1 x 6 cobalt 10% , hss ground thread hand tap in a set of 3 taps for iso metric screw threads specification conforming to is: 6175 part 2 1992 dimensions in mm m 10 x 1 . 5 pitch x overall length 80 , hss ground thread hand tap in a set of 3 taps for iso metric screw threads specification conforming to is: 6175 part 3 1992 dimensions in mm m 12 x 1 . 75 pitch x overall length 89 , hss ground thread hand tap in a set of 3 taps , bsw form specification conforming to bs: 949 part 2 1979 dimensions 1 / 2 x 12 tpi overall length 89 mm , hss ground thread hand tap in a set of 3 taps , bsw form specification conforming to bs: 949 part 2 1979 dimensions 5 / 8 x 11 tpi overall length 138 mm , hss ground thread hand tap in a set of 3 taps , bsw form specification conforming to bs: 949 part 2 1979 dimensions 5 / 16 x 18 tpi overall length 72 mm , bi metallic band saw blade size : 4860 x 38 x 1 . 03 , 02 / 03 tpi , power saw blade size : 21 x 11 / 2 x 0 . 0806 tpi