supply of set of hex head bolts of two different sizes required for maintenance of ac electric locomotivesset of hex head bolts of two different sizes required for maintenance of ac electric locomotives,set of hex head bolts of two different sizes required for maintenance of ac electric locomotives as follows . 1) set of hex. head bolt(phosphate coated) size: m10 x 45 x 1.50 mm full threaded as per is: 1364 part-2, grade: 8.8, along with suitable three flat washers as per is: 2016 and three spring washers as per is: 3063 for fixing of line contact ors. qty/set. = 01 set. 2) set of hex head bolt(zinc coated) size: m12 x 50 x 1.75 mm full threaded grade: 8.8 as per is: 1364(part-2) along with suitable two m12 nuts, grade: 8.0 as per is: 1364(part-3), four flat washers as per is: 2016 and four spring washers as per is: 3063 for dbr assembling with mvrf. qty/set. = 02 sets. makes: tvs/lps/unbrako/bmi/df l or equivalent. note: 1) one sample set should be got approved before effecting bulk supply. 2) firm must mention the specific make of the offered material while participating in the tender, otherwise such offers are liable for rejection. [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]