Flat Teeth Bucket Teeth for Drilling Bauer FZ Series For drilling within sandy stone of foundation piles.Material: Tungsten carbide: YG11C, HRC88-92 + 35MnB.Models: BFZ162, BFZ70, FZH70, BFZ72, FZH72, BFZ79, FZH79, BFZ80, FZH Enquire