supply of set of hex head bolts of different sizesset of hex head bolts of different sizes,set of hex head bolts of different sizes required for maintenance of ac electric locomotives. set details as follows a) hex. hea d bolt full threaded size: m6 x 35mm grade 8.8 as per is:1364 (part-2), along with suitable one nut grade 8.0 as per is:1364 (part-3), two fla t washers as per is:2016 and two spring washers as per is: 3063. qty/set. = 01 set. b) hex. head bolt full threaded size: m6 x 25mm grade: 8.8 as per is:1364 (part-2) along with suitable one nut, grade: 8.0 as per is: 1364(part-3), two flat washers as per is:2016 and two spring w ashers as per is:3063. qty/set. = 01 set. c) hex head bolt full threaded size: m5 x 25mm grade: 8.8 as per is:1364 (part-2) along with suita ble one nut, grade: 8.0 as per is: 1364(part-3), two flat washers as per is:2016 and two spring washers as per is:3063. qty/set. = 02 sets. d) hex head bolt full threaded size: m4 x 40mm grade: 8.8 as per is:1364 (part-2) along with suitable one nut, grade: 8.0 as per is: 1364(pa rt-3), two flat washers as per is:2016 and two spring washers as per is:3063. qty/set. = 01 set. [ warranty period: 30 months after the d ate of delivery ] ]