similar title to button tooth bit could be toothed button bit for

In conclusion, rock drill parts are more than just components; they are the backbone of an industry that shapes our built environment. Their intricate design and robust nature reflect the relentless pursuit of innovation in the world of mining and construction equipment. Whether it's a large-scale mining operation or a small construction site, the importance of well-engineered rock drill parts cannot be overstated.

...

There are several types of core drill bit extension rods available, including straight extension rods, tapered extension rods, and threaded extension rods. Each type has its own unique design and is used for specific drilling applications. Straight extension rods are used for drilling straight holes, tapered extension rods are used for drilling holes with a conical shape, and threaded extension rods are used for attaching different types of drill bits to the extension rod.

...