Tender For supply of set of bellow bolt with flat and spring washers for traction motor. set consists of 3 items: (1) hexagonal bolt m12x25mmx1.75 pitch and 88 grade as per is:1364 (part-1) 2002. qty-01 no/set. (2) flat washer m12 as per is:2016/2001 qty-02 nos/set. (3) rectangular section spring washer m12 as per is:3063/1994, qty-02 nos/set