supply of ball screw assembly , ball screw assembly to rwf drawing 725400210930 for station -2/cnc rough ing machines use in x-axis cross-slide movement. special conditions: warranty period: warrant y of 18 months from the date of delivery or 12 months from date of fitment or use whichever is early. 2.material test certificate (mtc) from nabl accredited laboratories for chemical composition / physica properties should be submitted along with the material supply. 3. inspection certificate issued by man ufacturers to be submitted along with supply. 4.only ball screw manufacturers to quote. p.o copies or credentials for supplying similar item to psus or govt. agencies to be submitted along with supply. [ warranty period: 18 months after the date of delivery ] ]