supply of set (wheel set) of hardwares for the whe [set (wheel set)set (wheel set) of hardwares for the whe [set (wheel set),set (wheel set) of hardwares for the wheel set assemblies and undergear assemblies of wap7/wag9 three phase locomotives. each set consists of three items as follows : (1)socket head ca p. screw-m12 x 30 (black).specifically confirms din 7984.abb drg no. ib 012-00761, qty. per set -38 nos. (2) socket head cap. screw-m6x20(black). materials-alloy steel, thread tolerance-class 6g.p.ci.-1 2.9.specifically confirms to:-as1420-1973 or astm a 574 m-80 or-din 912.abb drg no.182-00620, qt y. per set - 03nos. (3) hex.head screw m12 x 40 (black),material-steel, thread tolerance- class 6g.p.ci- 8.8 specifically confirms :-as 1110-1984.astm f568-79,cl.9.8 or iso 4017-1988 or din en24017.abb drg no.182-00641.qty. per set -19 nos. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]