supply of hex head boltshex head bolts,hex head bolt m24x180-8.8 to is:1364 (part-i) 2002 and prevailing torque hexagon nut to si ze m24 to specn is:7002-2005-8, zinc electroplated to gr.a3l of annexure e of is:1367 (part-eleven)2002. [ warranty period: 30 months after the date of delivery ] ] sr. section engineer bogie gujarat 1664.00 set , hex head bolts, full threaded with nut and 02 nos plain washers, 1 no spring w asher, zinc plated, property class 10.9, size m16 x 50 mm, is:1367 for bolt, is:2062 for plain w asher, is:3063 for spring washer make : tvs,lps unbrako, [ warranty period: 30 months after the date of delivery ] ] senior section engineer gujarat 3912.00 set , hex head bolt size m 8 x 25mm zinc plated as per is 1364 properties 4.6 [ warranty period: 30 months after the date of delivery ] ]