supply of poly axial screw for occipito-cervico-thoracic spinal fixation system (diameter of screws should be available in 3.5mm to 4.5mm with length from 10-32mm in 2mm increments. should have atleast 30 degree angulation in all directions and atleast 45 degree increased angulation at 3 relief notches. should have buttress thread set screw for locking . should be compatible with 3.2/3.5mm titanium or cobalt chrome rods) , srphc82364145-poly axial screw for occipito-cervico-thoracic spinal fixation system.used for occipito cervico thoracic spinal fixation and stabilisation in s pine trauma, degenerative and tumor surgeries. should be multiaxial self tapping and s elf drilling in nature with distraction and compression ability. diameter of screws sho uld be available in 3.5mm to 4.5mm with length from 10-32mm in 2mm increments. should have atleast 30 degree angulation in all directions and atleast 45 degree increased an gulation at 3 relief notches. should have buttress thread set screw for locking . sho uld be compatible with 3.2/3.5mm titanium or cobalt chrome rods . should be compatible with torque limiting screw driver for final tightening. system should be re gistered with drug controller general of india. system should be iso or bis or fda or ce approved . [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]