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DynaShop Owned and Operated by SAIC

Dynabrade .4hp Straight-Line Die Grinders

For Use on Metal, Fiberglass, Carbon Fibre, Composites and More!

Dynabrade .4 hp (298 W) Die Grinders offer innovative design for peak efficiency and longer life! Ideal for rapid material removal, deburring, finishing and polishing, these tools represent the FINEST in Dynabrade quality and innovation!

Integrated Safety-Lock Throttle Lever – Included on all models. Contoured shape for operator comfort, with new dowel pin that minimizes lever wear.
Governor-Controlled Motor (950 RPM to 30,000 RPM Models) – Maintains consistent motor speed under load and delivers optimal power.
Ergonomic Tool Housing – Oval-shaped housing conforms to natural shape of hand for optimum comfort.
Lightweight Tool Design – Each model weighs 0.5 oz (15 g) less than its previous version!
Comfortable Tactile Grip – Tool’s tactile grip is co-molded to composite housing, providing comfortable non-slip grip.
3-Vane Tool Rotor – 3-vane rotor allows wider offering of tool speeds. Achieves stall-torque and horsepower performance equal to tools with 4-vane rotor.
Thermal Isolation Cavity – Pocket of still air between composite housing and housing core thermally isolates operator’s hand from temperature extremes within motor.
Hardened Tool Cylinder – Tool cylinder is made of case-hardened material, to retain core toughness and prevent cracking.
Full-Length Housing Core – Housing core runs the full length of tool, serving as “backbone” and providing consistent weight distribution of tool.

Rear Exhaust, Extended Muffler

• Governor-control maintains consistent motor speed under load and delivers optimal power.
• Extended muffler design ensures lowest sound level.
Model 47200 – 950 RPM, 1/4″ & 6 mm Collets
Model 47201 – 3,200 RPM, 1/4″ & 6 mm Collets
Model 47202 – 5,000 RPM, 1/4″ & 6 mm Collets

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Gearless, Rear Exhaust, Extended Muffler

• Governor-control maintains consistent motor speed under load and delivers optimal power.
• Gearless motors decrease downtime and lessen repair expense when compared to geared tools.
• Collet design reduces run-out.
• Extended muffler design ensures lowest sound level.

Model 48201 – 25,000 RPM, 1/4″ & 6 mm Collets
Model 48203 – 30,000 RPM, 1/4″ & 6 mm Collets
Model 48350 – 35,000 RPM, 1/8″ & 3 mm Collets
Model 48355 – 35,000 RPM, 1/4″ & 6 mm Collets

Gearless, Rear Exhaust, Standard Muffler

• Governor-control maintains consistent motor speed under load and delivers optimal power.
• Features standard muffler for more compact design.

Model 48360 – 20,000 RPM, 1/4″ & 6 mm Collets
Model 48325 – 25,000 RPM, 1/4″ & 6 mm Collets
Model 48327 – 30,000 RPM, 1/4″ & 6 mm Collets
Model 48365 – 20,000 RPM, 1/8″ & 3 mm Collets (four-piece collet design)
Model 48370 – 25,000 RPM, 1/8″ & 3 mm Collets (four-piece collet design)
Model 48345 – 30,000 RPM, 1/8″ & 3 mm Collets (four-piece collet design)
Model 48341 – 30,000 RPM, 1/8″ & 3 mm Collets (includes 94994 Overhose Assembly)

Gearless, Front Exhaust, Standard Muffler

• Gearless motors decrease downtime and lessen repair expense when compared to geared tools.

Model 52200 – 25,000 RPM, 1/4″ & 6 mm Collets
Model 52202 – 30,000 RPM, 1/4″ & 6 mm Collets

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.4hp Die Grinders Specs Table

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