Hexagonal Continuous Flight Auger Drill Pipe

Hexagonal Eccentric CFG Belled Drill Bit

CFA Bottom-Discharge Auger Bit

APFTS-Z3 Three-Cone Single-Screw Full-Section Crushing Short Spiral Drill Bit

CFA Side-Discharge Auger Bit

APFTS-Z3 Three-Head Conical Screw Full-Section Crushing Short Spiral Drill Bit

APFSHZ Single-Cone Single-Flight Rock Short Auger Bit

APFSH-SR Single-Head Straight Spiral Mixed-Tooth Short Auger Bit

APFSH-SH Single-Head Straight Spiral Extended Cutting-Tooth Short Spiral Drill Bit

APFSH-S Single-Head Straight Spiral Bullet-Tooth Short Auger Bit

APFSH-R Single-Head Straight Spiral Cutting-Tooth Short Auger Bit

APFDX Double-Head Straight Spiral Bottom-Door Cutting-Tooth Short Auger Drill Bit