supply of set of bellow bolt with flat and spring washers for traction motor.set of bellow bolt with flat and spring washers for traction motor.,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-01no/set. 2 ) flat washer m12 as per is:2016/2001, qty-02 nos/set 3) rectangular section spring washer m12 as p er is:3063/1994,qty-02 nos/set [ 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 ] ]