Tie Rods

Since 1996, we, THREADWELL, have been offering premium quality Self-Drilling Bolts, Self Centering Drill Bits, Concrete Drill Bits, Hard Rock Drill Bits and Earthing Wires to the customers. We are acknowledged as a manufacturer and supplier of all these quality Concrete Drill Bits. Each of our product is made of durable materials and ensures reliability. Our offered Concrete Drill Bits are appreciated for their fast drilling speed, high penetration rate, good temperature resistance and abrasion resistance. While on the other hand, our bolts are acclaimed for their rust resistance, accurate sizes and smooth surface finishing. It is due to all these features,