At Numberall, we pride ourselves on offering a diverse line of high-quality marking machines, each designed for specific uses. With over 90 years in business, our reputation for accuracy and quality is unmatched. When it comes to marking small round parts, we have specialized presses that can accomplish the task efficiently and effectively.

Roll marking, also known as cylindrical marking, is a method of marking solid or hollow round parts, such as pipes and gears. We design our roll marking machines specifically for light-duty marking of round parts, ensuring an even depth of impression. Traditional flat metal marking equipment often struggles to achieve a consistent mark on round parts.

With roll marking, the part rotates with the indenting device, distributing each character evenly and with uniform depth. Our versatile roll marking equipment is suitable for a wide range of materials and industries, including firearms, automotive parts, and pipe fittings.

At Numberall, we offer two options for roll marking equipment: the Model 301 Hand-Operated and the Model 301A Air-Operated presses. Although similar, these models provide unique capabilities tailored to our customers’ marking volume needs.

Model 301 Hand-Operated Press

• Ideal for light-duty marking.
• Capable of marking round parts with characters up to 1/4” in aluminum or 5/32” in mild steel.
• Compact bench-top size with oversized endplates for more clearance.
• Compatible with various numbering heads, including the Model 23 Type Holder, Model 70P Non-Automatic Numbering Head, and Model 50P Automatic Numbering Head.

Model 301A Air-Operated Press

• Perfect for high-production applications.
• Utilizes an air cylinder for power and includes a control valve.
• Stamps characters of the same size and material as the Model 301.
• Can incorporate oversized endplates for larger diameter parts.
• Works with numbering heads, type holders, or marking dies, similar to the Model 301.
• Air-operated for large-scale production marking needs.

Roll marking is an indispensable process in various industries due to its precision and versatility. Here are some key industries and applications where roll marking is essential:

Firearms Manufacturing

• Serial Numbers: Ensures traceability and compliance with regulations.
• Branding: Adds logos and trademarks on barrels and receivers.

Automotive Industry

• Parts Identification: Marks engine components, gears, and other mechanical parts for identification and quality control.
• VIN Numbers: Stamps Vehicle Identification Numbers on chassis and engines.

Aviation Sector

• Component Marking: Provides clear identification for parts and components, aiding in assembly and maintenance.
• Compliance Marks: Ensures parts meet regulatory standards and traceability requirements.

Gas Cylinder Manufacturing

• Size and Specification Marking: Clearly labels pipe fittings with size, pressure ratings, and other specifications.
• Quality Assurance: Marks inspection and testing information on pipes and fittings.

Coin and Medallion Production

• Edge Marking: Adds text or designs to the edges of coins and medallions without damaging the surfaces.
• Customization: Provides bespoke markings for commemorative or limited-edition coins.

Medical Device Manufacturing

• Instrument Identification: Marks surgical instruments and devices with serial numbers, brand names, and other essential information.
• Traceability: Ensures traceability of medical devices for quality control and regulatory compliance.

Electrical and Electronics Industry

• Component Marking: Labels electronic components such as capacitors, resistors, and connectors for easy identification and assembly.
• Serial Numbers and Codes: Adds serial numbers and barcodes for inventory management and product tracking.

Roll marking machines offer precision, flexibility, and reliability across these diverse industries, making them an essential tool for manufacturers seeking to enhance their production processes and ensure compliance with industry standards.

No matter the shape or size of the item you want to mark, we can customize our roll marking machines to meet your needs. In addition to oversized endplate options, we design custom fixtures to stamp the edges of coins and medallions without marring the surfaces. We also offer fixtures with interchangeable arbors for stamping hollow parts or rings. For parts with varying diameters or stepped parts, we modify our standard adjustable holding fixture rollers to secure the part during marking.
One example of our custom roll marking capabilities is our application for marking CO2 bottles. We created special holding fixtures to mark the neck of the bottle at an angle. To see this application in action, view our recent blog post: Numberall’s Custom Application to Mark CO2 Bottles. Our roll marking machines provide precision and flexibility for customers looking to indent round parts.

For more information about our roll marking machines or to discuss a custom application, contact Numberall Stamp and Tool Company today!

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