Tenders for Supply of 1/2 Inch 12.7 Mm Dia. Zinc Plated/Galvanized Lock Bolt With Collar 28G With Grip Range 12.70- 19.05 Mm. Rdsos Drg. No. Wd-11036-S-01, Alt-Nil & Wd-11036-S-02, Alt-Nil., To Ser Pl No :38455195 Wa Rranty Period: 30 Months After The Date Of Delivery