supply of set of prevailing torque type hex nut , set of prevailing torque type hex. nut for lhb coaches consisting of 4 (four) items. (1) s et of prevailing torque type hex. nut m12 as per din 6925/din 980v, is : 1367-2002 pt-8, property cla ss-10 a3b, qty./kit - 42 nos. (2) set of prevailing torque type hex. nut m16 as per din 6925/din 980v, is : 1367-2002 pt-8, property class-10 a3b, qty./kit - 2 nos. (3) set of prevailing torque type hex. nut m10 as per din 6925/din 980v, is : 1367-2002 pt-8, property class-10 a3b, qty./kit - 10 nos. (4) set o f prevailing torque type hex. nut m8 as per din 6925/din 980v, is : 1367-2002 pt-8, property class-10 a3b, qty./kit - 6 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 ] ]