Our PDC bits are designed with newer abrasion-resistant cutters, and bit designs matched to your specific project lower drilling cost with 1.higher average ROP 2.greater stability 3.greater durability 4.Greater efficiency Drill longer: Our engineers developed a group of cutters for the specific wear issues you encounter. This is the optimum balance between cutter durability and cutter effectiveness with a lower probability of fracture. PDC bit Specifications 1. High wear resistance cutters. 2. Oppose-circumnutation design. 3. suitable for medium to hard formation For more info: www.crossingbit.com Hebei Crossing Drill Bit Manufacture CO.,LTD