Free Shipping | 30-Day Returns
Free Shipping | 30-Day Returns
Skip to content

Thumler's Tumblers Rotary Tumbler Model B

$329.99

Notify me when back in stock

Heavy-duty capacity and dependable performance for serious hobbyists and professionals.

The Thumler’s Tumbler Model B is built for users who need large-batch capability, consistent results, and a machine tough enough to run for days at a time. With its full-size 15-lb rubber barrel, reinforced construction, and powerful motor, the Model B is the go-to choice for lapidaries, reloaders, and anyone needing a reliable high-capacity tumbler.

Key Features & Benefits:

Large 15-Pound Capacity Rubber Barrel

The Model B’s single heavy-duty barrel holds approximately 12 lbs of rock (or brass, metal parts, or media) plus grit and water. Its thick, soft rubber design reduces noise and ensures smoother action for superior polishing results.

Rugged, Powder-Coated Steel Base

Made to handle continuous workloads, the Model B sits on a solid steel frame with a durable powder-coated finish that resists chips, corrosion, and years of heavy use.

High-Quality Motor with Thermal Protection

The powerful, continuous-duty motor is engineered for extended run times and includes built-in thermal protection to prevent overheating. Run long polishing cycles with confidence.

Designed for High Volume & Efficiency

The generous barrel size lets you process large roughs, bigger batches, or oversized stones you can’t fit in smaller machines. It’s also a favorite for cleaning brass casings and metal parts thanks to its smooth, consistent tumbling action.

Quiet Operation for Its Size

Even with its larger workload, the thick rubber barrel keeps noise levels down, making it ideal for garages, workshops, and hobby spaces.

Dependable Results for Advanced Users

The Model B is ideal for experienced tumblers who want a capable machine that can take on demanding work without slowing down. Whether polishing agates, shaping rough, or cycling heavy loads, it delivers consistently beautiful outcomes.

Whether you're scaling up your production, moving into larger stones, or looking for a durable workhorse that delivers reliable, high-volume performance, the Thumler’s Tumbler Model B is a trusted, long-lasting machine ready for your biggest tumbling projects.

Heavy-duty capacity and dependable performance for serious hobbyists and professionals.

The Thumler’s Tumbler Model B is built for users who need large-batch capability, consistent results, and a machine tough enough to run for days at a time. With its full-size 15-lb rubber barrel, reinforced construction, and powerful motor, the Model B is the go-to choice for lapidaries, reloaders, and anyone needing a reliable high-capacity tumbler.

Key Features & Benefits:

Large 15-Pound Capacity Rubber Barrel

The Model B’s single heavy-duty barrel holds approximately 12 lbs of rock (or brass, metal parts, or media) plus grit and water. Its thick, soft rubber design reduces noise and ensures smoother action for superior polishing results.

Rugged, Powder-Coated Steel Base

Made to handle continuous workloads, the Model B sits on a solid steel frame with a durable powder-coated finish that resists chips, corrosion, and years of heavy use.

High-Quality Motor with Thermal Protection

The powerful, continuous-duty motor is engineered for extended run times and includes built-in thermal protection to prevent overheating. Run long polishing cycles with confidence.

Designed for High Volume & Efficiency

The generous barrel size lets you process large roughs, bigger batches, or oversized stones you can’t fit in smaller machines. It’s also a favorite for cleaning brass casings and metal parts thanks to its smooth, consistent tumbling action.

Quiet Operation for Its Size

Even with its larger workload, the thick rubber barrel keeps noise levels down, making it ideal for garages, workshops, and hobby spaces.

Dependable Results for Advanced Users

The Model B is ideal for experienced tumblers who want a capable machine that can take on demanding work without slowing down. Whether polishing agates, shaping rough, or cycling heavy loads, it delivers consistently beautiful outcomes.

Whether you're scaling up your production, moving into larger stones, or looking for a durable workhorse that delivers reliable, high-volume performance, the Thumler’s Tumbler Model B is a trusted, long-lasting machine ready for your biggest tumbling projects.

Shipping Information

Free Ground Shipping in the continental USA.

At the Gemstone Lab, we aim to deliver your lapidary tools and supplies quickly and safely.

That's why we only ship using UPS, FedEx, or USPS.

We offer free ground shipping on all orders within the United States. No minimum purchase is required -  every order qualifies! Our ground shipping is handled by trusted carriers to ensure your items arrive safely and on time.

What to Expect When You Place an Order

Once your order is confirmed, you'll receive a confirmation email detailing your purchase and order number. As soon as your order is shipped, you wlll receive a notification with all shipping details and a tracking number so you'll know exactly when your package will arrive. 

Fast Order Processing

We start processing your order right away. Most orders ship withing 1-2 business days, so you can get started on your next project before you know it. 

Shipping Times

Delivery times vary based on your location. Most U. S. order arrive within 3-6 business days. Expedited shipping options are also available at checkout for certain items for an additinal fee if you needs a product sooner. Made to order products cannot be guaranteed withing this timeframe are is noted on each product page. 

International Shipping

We currently do not offer shipping outside of the United States.

Secure Packaging

Every order is carefully packed to ensure your items arrive in perfect condition. Fragile tools, blades, and other delicate lapidary items are given extra care during packaging and boxing to prevent damage in transit.

 

If you have any question about our shipping policies or need assistance with a product, please don't hesitate to reach out to our friendly customer support team. We're happy to help make your lapidary adventure more fun in any way we can! Give us a call at 855-487-9637.