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.

Description :5/8 inch (15.87mm) dia zinc plated/galvanized lock bolt with collar (part No. 2020) with grip r ange 31-38 mm. One set consisting of 01 nos lock bolt & one no. collar. Base metal- steel, ASTM B633 & AS TM 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 HR C, 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 ] [Quantity Tolerance (+/-): 5 %age , Item Category : Normal , Total PO value variation Permitted: Max 8 lacs ] ] Consignee SSE/BR/WRS/KOTA, WCR Rajasthan 12000.00 Numbers UVAM Item ref. ( Item Id :- 3100575 - Lock bolts & Collars used on Freight Stock on Indian Railways. ) Inspection Details Stage Inspection Not Required