Drill Bit Model

Drilling  Diameter (mm)

Connection Types

Material Grade

FGN55/65/75/94/113/133, 146/153/165

Φ55/Φ75/Φ94/Φ113/Φ13/ Φ146/Φ153/Φ165

Triple-wing Concave/Aerodynamic Quad-wing Concave/Curved Profile

42CrMo + Polycrystalline Diamond Compact

ZTY28-50

Φ28 ～ Φ50

Double-Wing

ZTM28-94

Φ28 ～ Φ94

Double/ Multi-Wing

Note: Customizable to special specifications.