supply of set of socket head screws , set of socket head screws consists of the following 03 items required for vande bharat coaches: (1) hexa gon socket countersunk head screw, m12 x 100, gr 8.8, iso 10642 - qty - 20 nos per set, (2) hexagon socket head cap screw m8 x 20, gr 8.8, iso 4762 - qty - 16 nos per set. (3) hexagon socket screw m20 x 240, gr 10.9, iso 4762 - qty - 0 4 nos per set. makes: tvs or dfl/unbrako or lps bossard. note: all screws should be geo silver & zinc flake coated. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]