... .Good price and high quality 5. Export to many countries conical pick size analysisWe are a professional manufacture of rock drilling ... , Normal and retrac body.tungsten carbide(Buttons):Spherical, ballistic and Conical.(Threaded R32, T38, T45,T51, bit diameter: 45mm-127mm);Couplings ... , Cross type bits, button bits and X type bits etc) conical pick size analysis