supply of set of hex head bolt siz , set of hex head bolt size:- m22 x 120mm, thread length 45mm, center hole size 04mm at 12mm from bottom, property class 8. 8 to is-1364, with slotted nut & split pin. withplain washer is 2016-1967 & spring washer make bbbb to is 3063. make for bolt & nut:- lps/pf l/tvs/unbrako/vif or similar make, supplied by clw approved source only. [ warranty period: 30 months after the date of delivery ] ] , hex head bolt, grade 8.8, size:- m24 x150mm, thread length 50mm with m24 nylocnut. make: - lps/pfl/tvs/unbrako/vif or similar make, supplied by clw approved source only.. [ warranty period: 30 months after the date of delivery ] ] , bolt assembly for horn stay of wap1/4 locos as per drg. no. wr-ccg-el/3p1- bt004,alt-1,ref-29,30,31,32 & 73 or latest,proper ty class of bolt &nut 8.8. make: - lps/pfl/tvs/unbrako/vif or similar make, supplied by clw approved source only. [ warranty period: 30 months afte r the date of delivery ] ]