Automated Pre-Roll Machine Closing Machine!


The Atomic Closer is the only compact and expandable modular automated pre-roll closing machine on the market designed to incorporate the human touch for a true premium quality look and feel.

Atomic Closer features

The Atomic Closer is the best automated pre-roll closing machine which saves time, money & is easily expandable over the huge all-in-one automated pre-roll machines.

40 Seconds Fast!

Tamps and closes 72 pre-rolled joints every +/- 40 seconds up to a daily capacity of 41,000*.

Simple to Use. Easy to Clean

The Atomic Closer joint closing machine is simple to use and quick & easy to clean in minutes.


NO Twist Tie Closing!

Tamps & Folds Ends into a Beautiful Consistent crown. No twist ties here.

Compatible with RocketBox

Compatible with RocketBox, Mini-RocketBox and other pre-roll machines*.

HMI Touch Screen Control

Control the full operation, emergency stop and reset function from the touch screen control.

Durable Construction

Durable stainless steel & aluminum construction with food grade materials. Made in the U.S.A.

Small Form. Big Impact.

Boasting an ultra compact footprint, this one-of-a-kind joint auto joint closing system can operate on a tabletop in facilities of all sizes, eliminating the industry’s #1 pre-roll bottleneck.

Joints Closed Per Cycle

Joints Closed Per Hour

Joints Closed Per Day

Automated Pre-Roll Machine

Hand-Packed Look & Feel

Closing pre-rolls is time consuming and ultimately the most costly component of the pre-roll manufacturing process. The Atomic Closer automatic pre-roll closing machine reduces costs and increases production simultaneously especially when paired with other STM products such as the Revolution grinder and RocketBox pre-roll machines.

Capable of closing a blistering 72 pre-rolled joints in 40 seconds, the Atomic Closer is perfect for small to large facilities looking to scale and grow production and efficiencies. 

The Atomic Closer automated pre-roll machine folds finished joints to give it that hand-packed feel with a neat crown fold or dimple, instead of a twist, resulting in a much more professional looking pre-rolled joint which burns evenly.

It is the easiest machine on the market to use with consistent results and super easy to clean and maintain. 

Complete Pre-Roll Solutions

Modular Turnkey Workflow for Companies of All Sizes

STM Canna has a complete pre-roll workflow system to maximize your operation from grinding to closing and soon weighing and packaging.  STM Canna’s unique workflow is easily scaleable as your business grows.

When you invest with STM Canna you invest in your future as STM continues to innovate, improve and expand.

  • Grind
  • Fill & Pack
  • Weigh & Close

Click Here to Find Out Why the Atomic Closer is So Good!

STM Canna Workflow

The Atomic Closer is compact and modular auto pre-roll closing machine for companies of all sizes. It works in an expandable system and compliments other STM products such as the Revolution grinders and RocketBox pre-roll machines for a complete customizable & scaleable workflow.

From Our Clients
STM Canna has hundreds of satisfied customers in 39 U.S. States and 7 countries.
“I am extremely happy with our experience with STM Canna.”
Pure Beauty


“This is the only cannabis grinder (Revolution) that’s good enough for the Ice Box Flat Farms pre-rolls.”
Ice Box Flat Farms


“The RocketBox sets the standard for pre-roll machines.”
Appalachian Growers

North Carolina

“Our efficiencies have increased, labor costs have gone down, and it makes a superior product all around.”
Budz Butter


* Depending on your workflow, machines, accessories and personnel, this will obviously vary.
* The Atomic Closer will work with other pre-roll machines such as the Knockbox, however, you have to use the proprietary STM 72-joint trays which only work in the auto closer.
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