supply of set of cotter bolt , description-set of cotter bolt assembly for locking of hand point turn out as per attached sket ch. one set consist of 1-bolt length- 250 mm , diameter- 20/25 mm, head dimension 25*16/30*20 mm, slot size 40*5 mm at a distance of 55mm from bolt head end. two holes of diameter 5mm located at distance o f 20 mm and 230 mm from bolt head end. locking turnout plate of length 120mm, thick ness 4mm and side dimension 45mm and 30mm.hole of 5mm located at distance of 20 mm from 45 mm side end. three no. of split pin size100 mm *4 mm. chain of length 400 mm *10 mm .2 no. flat washer size 22mm id and 44 mm od thickness 2mm. note- (1).accepted make/brand: two sample needs to be approved before bulk supply. (2). 8.8 grade it will be used in point of 52kg/60kg rail. the instant proposal for steel grade is mild steel. [ warranty period: 30 months after the date of delivery ] ]