KRCY RT3612 Modular Rotary Tumbler for Rock Polishing – Compatible with 3LB / 6LB / 12LB Barrels

$299.00

Beltless direct drive system for reduced maintenance and improved durability
Variable speed control with adjustable 0–70 RPM rotation speed
Compatible with modular 3LB / 6LB / 12LB barrel configurations
Heavy-duty stainless steel construction for long-term stability
Sealed ball bearing system designed for low-noise operation
Maintenance-free bearing design with an estimated 1–3 year service interval
Available in US, EU, UK, and AU plug configurations
Ideal for rock polishing, gemstone tumbling, and lapidary applications

The KRCY RT3612 Modular Rotary Tumbler is designed for hobbyists and lapidary enthusiasts seeking a durable, low-maintenance tumbling system. Featuring a beltless direct drive mechanism, the machine delivers stable and efficient rotation performance while reducing wear-related maintenance.

The variable speed control system supports an adjustable rotation speed range of 0–70 RPM, allowing users to optimize tumbling performance for different grinding and polishing stages. The modular barrel system supports multiple configurations, including 2×3LB barrels, 3×6LB barrels, and mixed 12LB + 6LB setups for flexible operation.

Built with a heavy-duty stainless steel frame and sealed ball bearings, the RT3612 is engineered for smoother and quieter operation. The maintenance-free bearing system is designed with an estimated service interval of 1–3 years depending on usage conditions.

Compatible with US, EU, UK, and AU plug standards, the KRCY RT3612 is suitable for rock polishing, gemstone tumbling, mineral grinding, and various lapidary hobby applications.