RB340 Series Rotary Drill Bit

Rotary drill bit

Minerza RB340 Series

Bearing type: Single-seal roller bearing

Cutting structure: S-type tungsten carbide inserts

Bit sizes: 171–311 mm (6.75–12.25 in)

Weight range: 22–98 kg

Description:

The Minerza RB340 Series rotary bits feature an advanced single-seal roller bearing system designed for maximum reliability and cost efficiency in demanding drilling conditions. With optimized sealing and optional SH75 carbide inserts, these bits deliver up to 45% longer service life compared to conventional air-bearing bits. The robust S-series cutting structure and reinforced cone protection ensure consistent penetration in medium and hard rock formations, reducing maintenance intervals and improving overall drilling performance.