CAT J460 series bucket teeth. hardness 36-39 HRC, impact toughness >20 J/cm2. 800-18 fit with 18S, 18TVC, 18THD, 18VIP, and so on,Very wear resistant. Suitable for mining operations, reduce the number of manual replacement. Materials and processes developed by oneself. own test center and R & D team. Product Performance Leading World. If there is a need or intention to cooperate, please contact foreverget@nfcompany.com directly. We can also design drawings and materials for you if you need anything.