Conical Bits
C31HD, B47K17H, B47K17.5H,
B47K19H, B47K19/60, B47K/12/60,
B47K22H, C30, B43K, B43H, BHR73, etc.
We also can make the products according to your drawing or samples
They are widely used in foundation drilling, rotary drilling, trenching, tunneling, mining, etc.
They have been exported to USA, Australia, Brazil, Canada, Korea, Japan, HongKong, Singapore,...