Hengshui Jrain Frp fiberglass clarifier
The 7 degree refers to the angle at which the cutting edge of the button bit is set. This particular angle is not arbitrary; it is a result of meticulous research and development by engineers to optimize performance and durability. It strikes an ideal balance between penetration rate, wear resistance, and chip removal, making it a preferred choice for drilling hard materials like rock, concrete, and even metal.
Moreover, mine extension drill rods with improved thread designs and coatings have enhanced the drilling process
