Set of two different items required for maintenance of DBR & CTF3, RMDBR insulators in AC electric locomotives as follows., 1 Set of Hex head Bolt full threaded Size: M16 x 50mm, grade: 8. 8 as per IS: 1364, Part- 2 along with suitable two M16 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 & CTF3 power connections. All items are Zinc coated. Qty/ set. = 01 set., 2 Set of Hex head Bolts full threaded Size: M8 x 15mm- 02 numbers per set, Part- 2 along with suitable four Flat washers as per IS: 2016 and four Spring washers as per IS: 3063 for provision of RMDBR insulator. Qty/ set. = 01 set., Makes: TVS/ LPS/ Unbrako/ BMI/ DFL., Note: 1 One sample set of each items 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.