supply of set(wheel set) of hardware for the wheel set assemblies and undergear assemblies of wap7/w ag9 of 3-phase locomotives. each set consists of three items as follo.... set(wheel set) of hardware for the w heel set assemblies and undergear assemblies of wap7/wag9 of 3-phase locomotives. each set consists of t hree items as follows: (1) socket head cap screw-m12x30(black). specially confirms din 7984. abb drg. no.i b 012-00761, qty. per set-38 nos. (2) socket head cap. screw-m6x20()black. material- alloy steel. thread tol erance- class 6g. p.cl-12.9 specifically confirms to: as 1420-1973 or astm a 574 m-80 or din 912. abb drg. no. 182-00620, qty per set-03 nos. (3) hex. head screw m12x40(black), material-steel, thread tolerance-cla ss 6g.p.cl-9.6 specifically confirms: as 1110-1984-astm f568-79,cl.9.8 or iso 4017- 1988 or din en 24017. abb drg.no. 182-00641, qty. per set-19 nos. as per kpa store p.l.no.29060011. [ warranty period: 30 month s after the date of delivery ] office of the dy. cee (p&d) west bengal 66.00 set