supply of set of high tensile socket head cap screwset of high tensile socket head cap screw,set of high tensile socket head cap screw for air spring assembly consisting of 03 it ems:- (1) high tensile hexagonal socket head cap screw, m20x55 long, is: 2269 (latest) class 10.9 or hig her, qty= 01 no., (2) hardened and tempered washer with 300 hv class (300 hv-370 hv ) hardness. a 22 , is: 2016 (latest ),qty = 02 nos, (3) prevailing torque type hexagonal nuts (with non metallic insert ), m2 0: b, is: 7002 (latest ) class 10, qty = 01 no. surface finish of fasteners:- all fasteners (screws, washers & nuts ) shall be zinc electroplated to a3l finish of is: 1367 ( part-11 ). note:- material to be procured fro m rdso approved sources against uvam item id - 3100249 , sub id- 3100249002 or 3100249003. [ warr anty period: 30 months after the date of delivery ] ]