20.75, IS 5100 - 1969 BS 328 (PART 1) 1986, Stub, 10 Pcs, HSS, Parallel Shank Twist Drills, Addison

5.2, IS 5103 - 1969 BS 328 (PART 1) 1986, 1 Pc, Taper Shank Twist Drills, HSS, Addison

6.2, IS 5101 - 1991 BS 328 (PART 1) 1986, Jobber, 10 Pcs, HSS, Parallel Shank Twist Drills, Addison

21, IS 5100 - 1969 BS 328 (PART 1) 1986, Stub, 10 Pcs, HSS, Parallel Shank Twist Drills, Addison

5.5, IS 5103 - 1969 BS 328 (PART 1) 1986, 1 Pc, Taper Shank Twist Drills, HSS, Addison

6.25, IS 5101 - 1991 BS 328 (PART 1) 1986, Jobber, 10 Pcs, HSS, Parallel Shank Twist Drills, Addison

21.25, IS 5100 - 1969 BS 328 (PART 1) 1986, Stub, 10 Pcs, HSS, Parallel Shank Twist Drills, Addison

5.56, IS 5103 - 1969 BS 328 (PART 1) 1986, 1 Pc, Taper Shank Twist Drills, HSS, Addison

6.3, IS 5101 - 1991 BS 328 (PART 1) 1986, Jobber, 10 Pcs, HSS, Parallel Shank Twist Drills, Addison

21.43, IS 5100 - 1969 BS 328 (PART 1) 1986, Stub, 10 Pcs, HSS, Parallel Shank Twist Drills, Addison

5.8, IS 5103 - 1969 BS 328 (PART 1) 1986, 1 Pc, Taper Shank Twist Drills, HSS, Addison

6.35, IS 5101 - 1991 BS 328 (PART 1) 1986, Jobber, 10 Pcs, HSS, Parallel Shank Twist Drills, Addison

21.5, IS 5100 - 1969 BS 328 (PART 1) 1986, Stub, 10 Pcs, HSS, Parallel Shank Twist Drills, Addison

5.95, IS 5103 - 1969 BS 328 (PART 1) 1986, 1 Pc, Taper Shank Twist Drills, HSS, Addison

6.4, IS 5101 - 1991 BS 328 (PART 1) 1986, Jobber, 10 Pcs, HSS, Parallel Shank Twist Drills, Addison

21.75, IS 5100 - 1969 BS 328 (PART 1) 1986, Stub, 10 Pcs, HSS, Parallel Shank Twist Drills, Addison