All kinds of brand cutting edge can be produced. unconventional blade, you can drawing let us produce. hardness 46-52 HRC, We have 4T3007, 4T3007-sawtooth, 6D1904, 6Y2805, and fited Bolt and Nut. You can provide the number you need. Wear resistant. Depending on your work environment and needs, suggest different materials and programs. own test center and R & D team. 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.