165mm Drill Bit for GK50 DTH Hammer

165mm GK50 DTH hammer bits uses YK05 or GF20G as materials of button and 23CrNi3Mo or FF710 as materials of body. 165mm GK50 DTH hammer has Flat face and 8 Spline with 8*12mm gauge spherical buttons and 8*10mm front ballistic buttons. 165mm GK50 DTH bits is widely used on Quarrying, DTH drilling bit, Surface Mining, Underground Mining.   XTC Luoyang DTH Hammer Bits have high-air pressure and low-air pressure ones. With advanced design concept, better wear-resistance, better impact-resistance, higher drilling speed and longer service life, they are widely used in large-scale open pit mining, quarry and other construction projects. Model 165mm GK50 Material Button: YK05 OR GF20G Body: 23CrNi3Mo, FF710 Air Pressure High Head Dia. 165mm Face Design Flat Face, Convex, Concave, Bulldog Bit Shank GK50 Foot Valve Yes Button Set 8*16mm+8*14mm Button Shape Spherical, Ballistic, Semi-ballistic, Conical Body type 8 Spline A…