India, May 22 -- EASTERN RAILWAY has issued a tender notice titled "7/8" (22.2Mm) Dia Zinc Plated/Galvanized Lock Bolts" with the tender reference no.: 52255895.
The tender details are as follows: 7/8" (22.2mm) dia zinc plated/galvanized lock bolts with collar (Part No. 2820) with Grip rang e 31-38, One set consisting of 01 No. lock bolt and 01 No. Collar. The head of the lock bolts necessarily be ma rked with manufacture % U2019S identification. The marking on collar should be done on lower bottom surf ace RDSO's Drg. WD-11036-S-01 and WD-11036-S-02. Alt.-Nil, Specn: Base Metal-Steel. ASTM B633 and AS TM B695 and ASTM B117 minimum 48 Hrs; Lock Bolt should have a hardness in a range of 28-34 HRC and c ollar have a hardness in a range of 60...