supply of set of hex head bolts of different sizes required for fixing of shunting and line contactors in ac electric locomotives. , set of hex head bolts of different sizes required for fixing of shunting and line contactors in ac electric lo comotives. a) hex head bolt full threaded size: m10 x 35 mm, pitch 1.5mm, grade: 8.8 as per is: 2389, along with suita ble two nuts, grade: 8.0 as per is: 1364, four flat washers as per is: 2016 and four spring washers as per is: 3063. qty/ set. = 01 set. b) hex head bolt full threaded size: m10 x 40 mm, pitch 1.5mm, grade: 8.8 as per is: 1364, along with su itable two nuts, grade: 8.0 as per is: 2389), two flat washers as per is: 2016 and four spring washers as per is: 3063. qty/set. = 01 set. makes: unbrako/ tvs/ dfl/ lps/ sundeep/ bimco or similar. note: 1) all dimensions are in mm. 2) all materials are phosphate coated. 3) one sample set of each subject item should be got approved before effecting bulk s upply. 4) firm shall quote any one make for the tendered description along with valid authorization, if vendor offers/bids for more than one make or if the firm mentions, as per tender in their bid(s), their offer will be summarily rejected. [ w arranty period: 30 months after the date of delivery ] ]