supply of set of bolt & stud for brake cylinder of 3-phase locos . , set of bolt & stud for brake cylinder of 3-phase locos as per clw drg. no. 1209-01-116-059, alt a or latest as follows. (1) ref. no. 52, hex. head bolt m16 x 1.5 pitch x 65mm, grade 8.8. qty/set. = 1 6 nos. (2) ref. no. 51, stud m16 x 55mm. qty/set. = 16 nos. (3) ref. no. 54, spring washer. qty/set. = 32 n os .(4) ref. no. 55, split cotter pin dia 3.5mm. qty/set. = 40 nos. (5) ref. no. 59, slotted nut m16 x 1.5mm. qty/set. = 32 nos. note: one sample set should be got approved before bulk supply [ warranty period: 3 0 months after the date of delivery ] ]