Tenders for Supply of 925 Drill Twist Hss P. S 2.85Mm Dia As Per Is: 5101-1991 Q3 Hss 652 Twist Drills Parallel Shank Jobber Series To Is: 5101-1991 And Confirming To Is: 509 Q3 Dia 4.0 Mm M42 Grade Jobber Series Twist Drill Is 5101-1991 Bs-328 Part-I 1986 Q3 Hss652 Twist Drill P. S Jobber Series To Is: 5101-1991 And Confirming To Is: 5099-1983 With Ame Q3