We’re proud to partner with the world’s best suppliers. To help you understand the many surface preparation solutions they each have to offer; we share information on the use cases and benefits of some of their top-rated products.
Today, we’re highlighting industry leading pneumatic abrasive power tool manufacturer, Dynabrade. Dynabrade’s abrasive power tools are made right here in the United States and used in industries worldwide including aerospace, automotive, metalworking, welding, woodworking, ship building and wind energy. They offer thousands of industrial tool options and process solutions that increase efficiencies, improve the work environment and save you money.
Prototype for the Dynafile
The Dynafile® line of industrial abrasive belt tools can achieve better results in your metalworking and welding applications. Developed by Dynabrade founder Walter Welsch, the original Dynafile belt tool was created for sanding and grinding in hard-to-reach and narrow spaces. Dynafile is ideal for:
Not sure which Dynafile® product is right for your needs? Let’s explore the various features and benefits of each tool, including Dynafile®, Dynafile® II and Dynafile® III. View entire manual here.
Comparing Dynafile® Abrasive Belt Tools
Machine shops, foundries and plants around the globe know they can count on Dynafile for precision grinding, sanding and finishing tasks in tight spots. In fact, Dynafile has become so famous for its versatility, it even found its way into the Dynabrade logo! How’s that for branding? Let’s take a look at their top-performing tooling solutions:
Dynafile® Abrasive Belt Tool
Dynafile is the original abrasive air-powered belt tool and the perfect solution to replace hand filing, grinding and sanding in areas as small as 3/8” diameter. The Dynafile offers reliable tool performance and adjusts for a comfortable grip. (Motor specs: 0.5 HP, straight-line, front exhaust and 20,000 RPM)
- Use with 24-inch-long abrasive belts in these abrasive capacities: 1/8”, 1/4”, 1/2” wide
- Grind from contact wheel or platen pad
- Composite belt guard offers quick belt change
- Arrows indicate abrasive belt direction
Dynafile® II Abrasive Belt Tool
The Dynafile II has a low-profile design ideal for working in tight spaces and accepts different size contact arms for endless applications. Its lightweight and ergonomic body styling reduces operator fatigue and increases productivity. (Motor specs: 0.5 HP, 7-degree offset, front exhaust and 20,000 RPM)
- Use with 18-inch-long abrasive belts in these abrasive capacities: 1/4” – 3/4” wide
- Easily converts to a die grinder with optional collet
- Detachable belt guard for quick abrasive change
- Grinding head pivots 360°
Dynafile® III Abrasive Belt Tool
The Dynafile III is ideal for grinding welds, blending and deburring and has more power than the Dynafile II for faster material removal, without losing any of the versatility. If the operator needs to apply more force to the contact wheel, the soft grip handle ensures dexterity and comfort. (Motor specs: 0.7 HP, 7-degree offset, front exhaust and 20,000 RPM)
- Includes 15350 contact arm for 1” wide by 18” long abrasive belts
- Includes high-efficiency rubber drive wheel
- Grinding head pivots 360°
- Operational safety-lock throttle lever is available for purchase
The Mini-Dynafile II is perfect for strap polishing and sanding in tight areas. Small and lightweight, the Mini-Dynafile II only weighs 1.7 lbs. and is ideal for small jobs. It can also be converted to a die grinder with an optional collet insert. (Motor specs: 0.4 HP, 7-degree offset, rear exhaust and 25,000 RPM)
- Multi-position grinding head pivots 360°
- Includes contact arm for 1/2” wide by 12” long abrasive belts
- Quick abrasive change-out with detachable belt guard
Electric Dynafile® II
Similar to its air-powered cousins, the Electric Dynafile II is ideal for sanding, deburring, blending and polishing in your metalworking applications. Perfect for environments where air is not readily available, the Electric Dynafile offers versatility and precision. Use 1/4” to 3/4” coated and non-woven nylon belts.
- 360° pivot belt housing
- Brushless motor for reduced maintenance
- 120 V (AC) electrical cord
Note: Each Dynafile model can be purchased as a complete Dynafile Abrasive Belt Tool Versatility Kit that consists of the Dynafile tool, five popular Contact Arms, an assortment of abrasive belts and a durable case.
Want to learn more about the products and services that can help you achieve better job quality and profitability in your metalworking applications? In addition to supplying all of your metalworking, concrete and woodworking surface preparation needs, we have a wide selection of industrial and safety items. Call United Surface Preparation today at 800-322-1413 to speak with an expert.