Today 1000 pieces C23 auger bullet teeth and 750 pieces C20 holder is on way to customer. C23 bullet teeth is made by tungsten carbide tips and 42CrMo with forging and brazed welding process and heat treatment, C20 holder is the matched block for the C23 auger teeth. They are always use for the pilling, trenching or foundation drilling. Xi'an Heaven Abundant Mining Equipment Co.,Ltd is supply kinds of cutting tools, such as road milling cutting tool, trencher cutting tools and mining cutting tool. We can supply the sizes match Caterpillar, Wirtgen, Betek and Kennametal sizes. We are one of the professional auger teeth and holder manufacturers and exporters in China. In the past 10 years, our cutting tools and related drilling accessorries have walked into more than 20 countries and feedback is good. If you are interested in any of our spare parts for mining, water well drilling, geological drilling, rock drilling and construction etc, please feel free to contact us by Lucy@tydrillbits.com or whatsapp me by +86 153 8908 2037.