supply of set of prevailing torque type hex nut of stainless steel for lhb coaches, consisting of 04 (f our) items, as per din 6925/din980v, is:1367-2002, pt-8, 10, a3b(1) set of prevailing torque type hex nut m12, qty. 42 nos./set (2) set of prevailing torque type hex nut m16, qty. 02 nos./set (3) set of prevailing torque type hex nut m10, qty. 06 nos./set (4) set of prevailing torque type hex nut m8, qty. 04 nos/set. [ warranty period: 30 months after the date of delivery ] ]