5/8 Inch (15.87Mm) Dia Zinc Plated/Galvanized Lock Bolt With Collar
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\"5/8 inch (15.87mm) dia zinc plated/galvanized lock bolt with collar (part No. 2020) with grip range 31-38 mm. One set consisting of 01 nos lock bolt & one no. collar. Base metal- steel, ASTM B633 & ASTM B695 & ASTM B117 minimum 48 hrs. lock bolt should have hardness in a range 28-34 HRC & collar have a hardness in a range of 60-80 HRC. Accepted: Hardness of collar should be 60-80 HRB in place of 60-80 HRC, as per RDSO Drg. no. WD-11036-S-01, Alt-1 & WD-11036-S-02,Alt-Nil or latest and confirming to Spec. IS/RDSO-WD/0001:2022 of June 2022 or latest.\" [ Warranty Period: 30 Months after the date of delivery ]
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