supply of hss drill 4.5 mm p/s to is: 5101. as per specn. is:5101hss drill 4.5 mm p/s to is: 5101. as per specn. is:5101,parallel shank one piece construction high speed steel twist drill of jobber series tool ty pe n, size 6.8 mm dia as per is:5101/1991 or latest of make - mirinda or addision or it (india tool) or t otem brand or jk brand only. (certificate of oem should be submitted with offers). as per specn. is:51 01/1991 or latest [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ] , hss drill 3.2mm p/s to is: 5101 [ warranty period: 30 months after the date of deliv ery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ] , hss drill 4.5 mm p/s to is: 5101. as per specn. is:5101 [ warranty period: 30 mont hs after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ] , h.s.s.(6-5-2) twist drill morse taper shank size: 17.50 mm.as per is: 5103/1969 with amendments 1 to 3 . [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]