supply of set of lock bolt.set of lock bolt.,3/4-inch (19.1) mm dia. zinc plated/galvanized lock bolt with collar with grip range 19.05 to 25.4. specification: rdsos spec. no: is/rdso-wd/0001: 2022. [ warranty period: 30 months after the date of deli very ] , round head lock bolt 5/8 inch (15.88 mm) dia., grip range 1.00 inch to 1.25 inch (25.4 mm to 31 .75mm) with collar 5/8 inch (15.88 mm) dia.as per specification : rdso s spec. no: is/rdso-wd/0001: 2022.] [ warranty period: 30 months after the date of delivery ] , lock bolts with collars. diameter of lock bolts 19.1 mm(3/4 inch), grip 26, suitable grip range-25. 4 to 31.75 with collars, as per rdso specification: spec is/rdso-wd/0001:2022 [ warranty period: 30 mont hs after the date of delivery ] , 7/8 inch (22.2 mm) dia lock bolt with collar, zinc plated grip range ( 44.45-50.80 mm ) confirming to rdso spec. no. is/rdso-wd/0001:2022 [ warranty period: 30 months after the date of delivery ] page 1 of 5 run date/time: 03/06/2024 11:05:57ckp div/south eastern rly tender document , 1/2 inch (12.70 mm) dia lock bolt with collar with required grip range 19.05 m m to 25.4 mm conforming to rdso specn. no. is/rdsowd/0001: 2022. [ warranty period: 30 mont hs after the date of delivery ]