PRODUCTS INFO Drawing Dies ·Natural Diamond Drawing Dies ·Artifical Single Crystal Diamond Drawing Dies ·Poly Crystal Dies ·Tungsten Carbied Drawing Dies ·High Accuracy Poly Crystal Dies Tungsten Carbide Cutting Tools ·Brazed Tips ·Mechanically Clamped Inserts Mining Geological Exploiting ·Rock Drilling Tips ·Oil Drilling Tips ·Coal-Cutting Tips Wearable Parts ·Anvils and Cylinders ·Punching and Impacting Dies Tungsten Carbide Rods Tungsten Carbide Strips Tungsten Carbide Pellets ·Tungsten Carbide Pellets ·Bearing Steel Ball Grinding Wheel Plain Grinding-wheels ·Outer-round Grinding-wheel ·Inner-round Grinding-wheel ·Plain Grinding-wheel for Strong-Processing ·Plain-Arc Grinding-wheel Arc Grinding-wheels ·Single Arc Grinding-wheels ·Double Arc Grinding-wheels Taper-cup Grinding-wheels ·Taper-cup Grinding-wheels NO.1 ·Taper-cup Grinding-wheels NO.2 Dished Grinding-wheels ·Dished Grinding-wheels NO.1 ·Dished Grinding-wheels NO.2 Cupulate Grinding-wheels Others Hard-facing Materials ·Cast Tungsten Carbide(YZF) ·Cast Tungsten Carbide(YZNF) ·Tungsten Carbide Pellet(YQ) ·Carbide Spray Welding Powder(YF) ·Spherical Cast Carbide(YZDF) ·Spherical Spray Welding Powder(YF) ·For Wear Resistance Application ·YJ Alloyed Powder Hicoo Tungsten Carbide Grade	Mining geological exploiting tools--->> Oil Drilling Tips HCQ-2 <<Back Unit：mm Type Dimension D H R h α e HCQ0810-2 8.0 10.0 4.0 4.0 7°30' 1.0 HCQ1012-2 10.0 12.0 5.0 5.5 HCQ1014-2 14.0 7.5 HCQ1118-2 11.0 18.0 3.6 12.0 29° HCQ1120-2 20.0 5.0 14.0 15°38' HCQ1216-2 12.0 16.0 6.0 10.0 7°30'