YG8 Tungsten Carbide Mining Carbide Conical Cutter Bits Conical Bits for Coal Mine Brief Introduction: Coal Conical Cutter Bits are produced with two parts: Alloy steel Body and carbide drill tips. The alloy steel body is made by material ASTM4142 or 42CrMo, heat treatment with 48-52HRC hardness, has high toughness and wearable character. Carbide drill tip is made from Low press Sintered with grade selected according to your projects, which can make sure good performance during working. Now we supply: 1. Customized carbide conical. 2. Complete colat auger bits / coal drill bits / blade cutter bits. 3. Customized surface coating to the bits. Quality Control: Constant quality checks accompany the overall production process of the tungsten carbide to assure our customers are receiving the highest quality carbide in the industry. Every batches of material will be tested in density, HRA, TRS and magnetic saturation, test report will be kept in our files. Advantages of Tungsten Carbide Mining Tools Cola Mining Conical Cutter Bits / Conical Bits 1. Made of top-quality virgin raw materials from reliable suppliers in China. 2. Produced with precision molds to get high accuracy for the finished products. 3. Free samples available 4. Special tungsten carbide drill tips made exactly as per customers' drawings