Sandco G.T INTERNATIONNAL CO .,LTD,Our factory was founded in 1958.

The raw materials of drill rods are all produced by us independently, and the product quality can be traced back to the source. Use the international mainstream steel and carburizing process. Types of thread including R22、R25、R32、R35、T35、R38、T38、T45、T51、T60 etc. And provide customized production services and perfect after-sales service.

For more information, please contact our company.

The raw materials of drill rods are all produced by us independently, and the product quality can be traced back to the source. Products including integral drill rod and plug hole rod. The rods’ length and size of carbide can be customized according to customer needs.

taper angle: 6°、7°、11°、12°.