supply of hexagonal head screw full thread withhexagonal head screw full thread with,hexagonal head screw full thread with nut, spring washers and flat washers as per els/bza drg. n o. b/trs/bogie/4/239 alt-a or latest the details are given below. hexagonal head screw full thread with one nut, three spring washers and two flat washers as per the following details. sl.no.1. hexa gonal head screw full thread with nut size: m10 x 1.5 mm 60 degree metric pitch x 50 mm long as per is:1364 & is:1367,property clause 10.9. qty/set :1 set, sl.no.2.spring washer,size: m 10.b single coil steel as per is; 3063 / 1994. qty/set.3.nos, sl. no.3.flat washer size id 11 mm, od 24 mm, thickne ss 2 mm as per is:2016/67.qty/set.2.nos. hexagonal screw, nut and flat washer are to be coated with zinc as per is:1573/1986 and spring washer is to be phosphated to is: 2016 only. dimension od-2 1mm, id-11mm, thickness 2mm [ warranty period: 30 months after the date of delivery ] ]