Rotary drill bit

Double-bottom rock bucket

Double bottom soil bucket

Single bottom soil bucket

Single-bottom rock bucket

Clear hole drill

Pick core drill

Cone coring barrel drill

Open coring barrel drill

Pebble drill

Open-body two-petal bucket

Expanding drill

Auger bit

Special bit

Rotary drill pipe

Machine lock lever

Friction rod

Rotary drilling tooth

Pick tooth

Bucket teeth