The rods are through-wall heat-treated at both the pin and box ends before machining for extended material strength and greater wear resistance. Threads are then precision machined after heat treatment, on high-accurate soft-line CNC centers, ensuring a tough, strong, straight, concentric product. AMMEX Drill Rods are manufactured to accurate designs ensuring a quality joint fit as well as compatibility with existing industry product. The Quality Control process ensures that you will receive only the highest quality product. AMMEX Drill Rods offering includes the industry standard ‘Q’ and ‘T’ thread design as well as the thin-wall (TW) series. Each stage of the process, from material selection to manufacturing, packaging and handling, is controlled and supported by an experienced team of professionals. As a customer, you can be confident that every rod that leaves the factory will perform to your expectations.