Jinquandrills' T38 76mm 89mm threaded button bits are our hot sales & advantaged drilling tools, with superior quality and rational price. Always they are produced through our CNC Machining Centers with nice precision of thread & quality stability. We will take the best tungsten carbide buttons YK05 or T6 for you all, and variety shapes of tungsten carbide tips will be suitable for different rock formations with fast penetration rate.
Thread: H25, R22, R25, R28, R32, R38, T38, T45, T51, ST58, ST68, GT60
Diameter: 32mm-140mm
Steel Material: 45CrNiMoV
Tungsten Carbide Buttons: YK05 or T6
Body Skirt: Normal, Retract
Face Design: Flat, Drop Center
Button Shape: Spherical, Hemispherical, Ballistic, Parabolic