twist drill , twist drill- morse taper shank extra long , hss, tool type-n ( upto 12 mm dia ) spec: aa6312211 rev: . dimensions and tolerances: to conform to is:7822-19983 / reaffirmed 1998. material, hardness, packing & marking etc: shall be as per is:5099. size: 12 dia x160x250 mm dim.: diaxwlxoal , twist drill -morse taper shank extra long, hss tool type -n ( over 12mm upto & including 25mm dia ) spec: aa6312213 rev: .. dimensions and tolerances: to conform to is:7822-1983 material, hardness, packing andmarking etc. shall be as per is:5099. size: 15 dia x315x500 mm dim.: diaxflxol , hss m-2, taper shank extra long drill n.std:is:7822 size: 19.00 x 250 x 400 mm. dim.: diaxflxoal , hss m35 morse taper ( mt2 ) shank twsit drill, extra long series n.std:is:7822-2005 size: dia:21 x 215 x 315 mm dim.: diaxflxoal , hss m-42 taper shank drill n.std:is:5103 size: dia:6.0 mm dim.: dia ( mm ) , hss m-42, taper shank drill, n.std:is:5103 size: dia 5.00 mm. dim.: dia in mm. , twist drill- morse taper shank hss, tool type-n ( over 40mm upto and including 100mm dia ) spec: aa6312017 rev: .. dimensions & tolerances: to conform to is:5103-1969 / reaffirmed 2002. material, hardness, marking & packing etc: shall be as per is:5099. size: 52.00 dim.: dia in mm. , twist drill, morse taper shank, taper pin , hss, tool type-n spec rev not available size: 6 dim.: dia in mm