supply of lock bolt 19.05 mm dia with collar and zinc plated and 7/8 inch dia bull lock bolt pin (two items) , lock bolt 19.05 mm dia with collar and zinc plated, grip range 38.10 mm to 44.45 mm and confirming to rdso specification no. is/rdso wd/0001:2022 [ warranty period: 30 month s after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] , 7/8 inch dia bull lock bolt pin (round head) & collar zinc plated, grip range 63- 70 mm,confirming other technical requirement as per rdso drg.no. wd- 11036-s-01 latest an d wd-11036-s-02 latest [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]