3 ways to produce self-drilling anchor bars

Self drilling anchor systems are advanced anchoring systems, composed of high-strength fully threaded self-drilling anchor bars, anchor bits, anchor couplers, anchor nuts, anchor plates, and other nec

3 methods of inserting carbide buttons for button bits

Button bits demonstrate their unique superiority in mining, quarrying, water wells, construction, and other areas. The carbide buttons inserting of button bit is crucial, being a significant factor af