supply of ( i ) 7 / 8 inch ( 22.2 mm ) dia. lock bolt collar ( ii ) 3 / 4 inch ( 19.05 mm ) dia. lock bolt with collar ( iii ) 1 / 2 inch ( 12.7 mm ) dia. lock bolt with collar ( i ) 7 / 8 inch ( 22.2 mm ) dia. lock bolt collar ( ii ) 3 / 4 inch ( 19.05 mm ) dia. lock bolt with collar ( iii ) 1 / 2 inch ( 12.7 mm ) dia. lock bolt with collar, 7 / 8 inch ( 22.2 mm ) dia. lock bolt with collar, one set consisting of 1 no. lock bolt & 1 no. collar, grip range - min 2.50 inch ( 63.5 mm ) to max 2.75 inch ( 69.85 mm ) to rdso specification no. wd / 0001:2022 , 7 / 8 inch ( 22.2 mm ) dia. lock bolt with collar, one set consisting of 1 no. lock bolt & 1 no. collar, grip range - min 2.25 inch ( 57.15 mm ) to max 2.5 inch ( 63.5 mm ) to rdso specification no. wd / 0001:2022 , 7 / 8 inch ( 22.2 mm ) dia. lock bolt with collar, one set consisting of 1 no. lock bolt & 1 no. collar, grip range - min 1.25 inch ( 31.75 mm ) to max 1.5 inch ( 38.1 mm ) to rdso specification no. wd / 0001:2022 , 7 / 8 inch ( 22.2 mm ) dia. lock bolt with collar, one set consisting of 1 no. lock bolt & 1 no. collar, grip range - min 1 inch ( 25.4 mm ) to max 1.25 inch ( 31.75 mm ) to rdso specification no. wd / 0001:2022 , 3 / 4 inch ( 19.05 mm ) dia. lock bolt with collar, one set consisting of 1 no. lock bolt & 1 no. collar, grip range - min 1.25 inch ( 31.75 mm ) to max 1.5 inch ( 38.1 mm ) to rdso specification no. wd / 0001:2022 page 1 of 4 run date / time: 27 / 09 / 2022 13:32:44spj / east central rly tender document , 3 / 4 inch ( 19.05 mm ) dia. lock bolt with collar, one set consisting of 1 no. lock bolt & 1 no. collar, grip range - min 1 inch ( 25.4 mm ) to max 1.25 inch ( 31.75 mm ) to rdso specification no. wd / 0001:2022 , 3 / 4 inch ( 19.05 mm ) dia. lock bolt with collar, one set consisting of 1 no. lock bolt & 1 no. collar, grip range - min 0.75 inch ( 19.05 mm ) to max 1 inch ( 25.4 mm ) to rdso specification no. wd / 0001:2022 , 1 / 2 inch ( 12.7 mm ) dia. lock bolt with collar, one set consisting of 1 no. lock bolt & 1 no. collar, grip range - min 0.75 inch ( 19.05 mm ) to max 1 inch ( 25.4 mm ) to rdso specification no. wd / 0001:2022 , 1 / 2 inch ( 12.7 mm ) dia. lock bolt with collar, one set consisting of 1 no. lock bolt & 1 no. collar, grip range - min 0.5 inch ( 12.7 mm ) to max 0.75 inch ( 19.05 mm ) to rdso specification no. wd / 0001:2022 , 1 / 2 inch ( 12.7 mm ) dia. lock bolt with collar, one set consisting of 1 no. lock bolt & 1 no. collar, grip range - min 0.25 inch ( 6.35 mm ) to max 0.5 inch ( 12.7 mm ) to rdso specification no. wd / 0001:2022