tender for manufacture and supply of screw clamps with fittings for fish plates 60 kg/52 kg/90 r to rdsodrg. no. t-5856. (1)screw clamp: irs m37 & is:3195-1992, grade 55 s17 (hrc:30-55) - 1 no. per set. (2)leafspring - 1 no. per set. (3)ms washer: m-33,is-1363 - 1 no. per set. (4)diagonal nut+bolt: m-33,is-1363 - 1 no.per set.
