We produce all kinds of round shank bullet teeth with holders for foundation drilling, mining, trenching, tunnel and so on.
Aslo they mostly using on rock drill auger, soil drill bucket and so on. 
The part no. such as B47K17.5H, B47K19H, B47K22H, B43H, BHR96, BSK12, BSK15, BSK17, BHR07, BHR12, BHR20, BHR31, BTK01, BTK03, BTK07, BTK10, BTK11, BTK70, C21HD, C31HD, U40HD, C10HD, C20HD, TS5, TS8, AND SO ON.