bids are invited for 1 flange spares of rockdril rig rd-30 model - 2639 , 2jaw chuck bw, rh spares of rockdril rig rd-30 model - 7133 , 3jaw chuck bw, lh spares of rockdril rig rd-30 model - 7134 , 4bushing chuck spares of rockdril rig rd-30 model - 7136 , 5screw chuck spares of rockdril rig rd-30 model - 7137 , 6quill drive spares of rockdril rig rd-30 model - 7180 , 7gear bevel spares of rockdril rig rd-30 model - 7181 , 8key drive spares of rockdril rig rd-30 model - 7185 , 9u cup spares of rockdril rig rd-30 model - 7215 , 10 gear spur cluster spares of rockdril rig rd-30 model - 7246 , 11 gear shaft input spares of rockdril rig rd-30 model - 7247 , 12gear sliding spares of rockdril rig rd-30 model - 7249 , 13 shaft inter gear spares of rockdril rig rd-30 model - 7252 , 14 shaft bevel pinion spares of rockdril rig rd-30 model - 7253 , 15 spacer bearing spares of rockdril rig rd-30 model - 7258 , 16 spacer shaft spares of rockdril rig rd-30 model - 7260 , 17 washer thrust spares of rockdril rig rd-30 model - 7270 , 18 bearing ball spares of rockdril rig rd-30 model7299 - 7299 , 19 bearing ball spares of rockdril rig rd-30 model 7301 - 7301 , 20 bearing ball spares of rockdril rig rd-30 model 7302 - 7302 , 21 bearing roller spares of rockdril rig rd-30 model 7304 - 7304 , 22 pinion bevel (for nw head) spares of rockdril rig rd-30 model - 7327 , 23 circlip light spares of rockdril rig rd-30 model - 7328 , 24 band assembly clutch spares of rockdril rig rd-30 model - 7368 , 25 band assembly brake spares of rockdril rig rd-30 model 7369 - 7369 , 26 balance piston relief valve spares of rockdril rig rd-30 model - as per bid specification , 27 hyd pressure gauge 1000 psi spares of rockdril rig rd-30 model - as per bid specification , 28 hydraulic filter complete set spares of rockdril rig rd-30 model - as per bid specification , 29 p.t.o assembly spares of rockdril rig rd-30 model - as per bid specification , 30 valve restrictor assembly spares of rockdril rig rd-30 mod