STM RollCraft MRB Pre-Roll Filling Machine

Fast, Consistent Pre-Roll Production for Craft & Mid-Scale Cannabis Operations

The STM RollCraft MRB is an affordable, STM-engineered pre-roll filling machine designed for craft and mid-scale cannabis producers looking to increase production while maintaining consistent, high-quality results. Built for reliability and ease of use, the MRB delivers fast filling cycles without the need for pre-weighing, helping operators improve efficiency without increasing labour requirements.

Designed with durable aluminum and steel construction, the RollCraft MRB eliminates the plastic components commonly found in traditional knockbox-style machines, providing a longer-lasting solution for commercial production environments.

Key Features:

• Fills a full tray of pre-rolls in less than 60 seconds
• Up to 2–4 times faster than traditional knockbox-style filling systems
• No pre-weighing required
• Adjustable top tray delivers consistent fill weights and density
• Particle Lock Technology for uniform, repeatable fills
• High and low speed controls for production flexibility
• Heavy-duty aluminum and steel construction
• No plastic components to crack or wear out
• Uses the same standard trays as other STM pre-roll equipment
• Replaceable liner bags for fast cleanup and material reclaim
• Simple wipe-down cleaning with isopropyl alcohol

The RollCraft MRB is an excellent solution for producers looking to scale production while maintaining lean operations. When paired with the STM ATC Automatic Twist Closer, the system is capable of producing and closing up to 10,000 pre-rolls per day with a consistent, professional Dutch crown finish.

Whether you’re upgrading from a traditional knockbox or expanding your existing pre-roll production line, the STM RollCraft MRB delivers dependable performance, consistent results, and a fast return on investment.