RB240 Series Rotary Drill Bit

Rotary drill bit

Minerza RB240 Series

Bearing type: Air bearing

Cutting structure: X-type tungsten carbide inserts

Bit sizes: 159–349 mm (6.25–13.75 in)

Weight range: 21–349 kg

Description:

The Minerza RB240 Series air-bearing rotary bits combine the strengths of previous designs with advanced improvements in material and geometry. Featuring an optimized X-series cutting structure and optional SH75 carbide inserts, these bits deliver higher durability, longer life, and improved drilling efficiency across a wide range of rock formations. The upgraded heel protection, enhanced insert toughness, and balanced airflow design minimize wear, reduce vibration, and extend bit life by up to 50%.