Item: Heavy Drill Rod for Blast Hole Drilling, SBSh-250 MNA-32 (or equivalent) Additional Requirements 15. Manufacturing year: Must be newly manufactured in 2026. 16. Operating manual: Must be provided in Mongolian and/or Russian and/or English. 17. The chemical composition certificate for the steel used in the heavy drill rod, nipple, and coupling shall be confirmed by the manufacturer and submitted as part of the tender documentation. 18. The complete assembly drawing of the heavy drill rod, nipple, and coupling shall be approved by the manufacturer and submitted as part of the tender documentation. 20. Service life: Not less than 11,800 linear meters (m).
