Carbon Steel, Tungsten carbide and high strength alloy steel
H25 R25 R28 R38 T38 T45 T51
CNC milling and proprietary heat treatment process
30000 Piece/Pieces per Month Extension Drill Rods
Packaging & Delivery
Carton or Wooden Box
Drill rod using thread system. Drilling precision can be further improved by using this as the first rod in a normal drill string. Furthermore, since this is a speed rod design it will produce straighter holes and at least 10% higher penetration rate in good rock conditions compared to rod and coupling sleeve combination system.
• Widely used in drifting, tunneling, benching, and long hole drilling