1. Caston DTH adapter sub is made from steel bars with tempering and quenching technique.
2. The thread surface is given nitriding or laser treatment to enhance its hardness.
DTH adapter sub is extensively applied in the drill pipes of DTH drilling rigs.
To meet the needs of different down-the-hole drill rigs, Caston adapter subs are diversified in thread, length, and shapes.
Among the downhole drilling tools, we offer downhole drilling adapter and other drill rig accessories, including directional drilling tools, oil drilling tools, exploration drilling tools, mine drilling tools, deep well drilling tools, etc. Fully equipped with drill pipe production lines and other process equipment, as each detail is checked during manufacturing, we can provide quality downhole drilling adapter and other drilling tools for global customers.