DTH Drill Bits are produced from premium quality nickel-alloy steel for increased durability and wear characteristics. Specific heat treatment standards and special “stress relief” processes ensure consistent performance.
Carbide Design of Tapered Buttons: Parabolic(Semi-Ballistic)
Water Holes: 2 on front, 1 on side.
Premium designs and steel and premium tungsten carbide insert grade T6 supplied by Boart Long year,tungsten carbide code No. YK05 supplied by Zhuzhou 601 factory,Offers industry-leading strength and penetration rates for more productivity.Excellent straightness and hole clean quality,Get max.drilling performance.