In construction activities, the 28mm taper button bit is used for various purposes, such as drilling holes for foundation piles, anchors, and geotechnical investigations. Its precision and accuracy make it a valuable tool for ensuring the integrity and stability of structures.

The durability of the 28mm taper button bit is a key factor in its popularity among drilling professionals. Made from high-quality materials, this tool can withstand the rigors of continuous drilling, reducing the need for frequent replacements and maintenance.

Overall, the 28mm taper button bit is a versatile and essential tool for drilling operations in mining and construction industries. Its effectiveness, durability, and performance make it a valuable asset for achieving successful drilling results in various applications.

This particular set of parameters relates to a product that may be in the field of engineering or manufacturing, possibly a mechanical part or tool. Using these parameters, it can be inferred that this product may be a conical component with a diameter of 28 mm, cone angles of 7°, 11° and 12°, button diameters of a choice of 4.5 mm, 5 mm, 6 mm and 7 mm and a weight of between 0.15 and 0.18 kg.