Polycrystalline diamond compact bit is short for pdc bit. Polycrystalline diamond compact (PDC) cutters enhance the performance of PDC drill bits, making them dynamically stable across a wide range of demanding vertical and directional drilling applications.

This type you saw is for drilling oil gas, or geological drilling application. The size is 6'' 7 1/2'' 8 1/2'' 9 1/2'' 10 1/2'' 12 1/4'' 13 1/2'' 14 1/2'' 15 1/2'' 16'' 17 1/2'' etc. Your design could be made according to your requirements and it can satisfy different customers' specific needs. We insist on honesty to provide customers high performance products with competitive price. Welcome for your inquiry.