- .4 hp Dynabrade Die Grinders are perfect for use on metal, fiberglass, carbon fiber, composites and more! Dynabrade’s .4 hp (298 W) Die Grinders are designed 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 has a contoured shape for operator comfort, with new dowel-pin that minimizes lever wear. Increased Tool Life due to Unique Pre-Filter that provides extra defense against contaminants in air stream.
- Governor-Controlled Motor (950 RPM to 30,000 RPM Models) Maintains consistent motor speed under load. Color-coded for easy identification. Ergonomic Oval-Shaped Tool 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!
- 3-Vane Rotor allows wider offering of tool speeds. Achieves stall-torque and horsepower performance equal to tools with 4-vane rotor. Innovative Air Flow Channel Exhaust; air moves through channel between composite housing and housing core, maintaining comfortable temperature of tool housing!
- 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 the backbone and providing consistent weight distribution of tool. Comfortable Tactile Grip; Tool?s tactile grip is co-molded to composite housing, providing comfortable non-slip grip. Collet Style is 3-Piece. Includes 1/4″ Collet Insert (50013) & 6 mm Collet Insert (50016).
Tool Specifications
Mfr. Model # 48370
| Collet Insert Size | 1/8″ & 6 mm |
|---|---|
| hp | 0.4 |
| Max. Air Flow [SCFM] | 23.0 |
| Max. RPM | 25,000 |
| Air Inlet Thread | 1/4″ NPT |
| Exhaust Type | Rear |
| CE Certified | Yes |
| EAC Certified | Yes |
| Height [inches] | 1.7 |
| Length [inches] | 6.4 |
| Weight [pounds] | 0.9 |
| Width [inches] | 6.5 |
| Hose I.D. [inches] | 1/4″ |
| Vacuum Type | Non-Vacuum |
| EAN (UPC) Code | 0616026483606 |
| Motor Type | Rotary Vane |
| Motor Free Speed | 25000.0 |
| Tool Style | Straight Line |

Dynabrade 90875 2" Dia. Super Fine NWN DynaBrite Locking-Type Disc, 25/pack
Dynabrade 40320 Dynafile II Abrasive Belt Tool
Norton 66261013403 - 3" X 1/2" Extra Coarse Grade Silicon Carbide Bear-Tex Rapid Strip TR Stripping Disc, 10 Each
Norton 66261199696 - 3" X 1/4" X 1/4" Vortex Rapid Blend Unified Wheel, 7AM U2305, 40 Each
Dynabrade 78128 3" Dia. Coarse NWN VT DynaBrite Locking-Type Disc, 25/pack
Dynabrade 64404 36" W x 60" L (914 mm W x 1,524 mm L) Metal Capture Downdraft Table, 230 V (AC), Side Exhaust
Dynabrade 78425 4-1/2" Dia. x 3/8" Coarse DynaBrite Surface Conditioning Disc, 25/pack
Dynabrade 90874 2" Dia. Very Fine NWN DynaBrite Locking-Type Disc, 25/pack
Norton 66623325035 - 2" 120 Grit Fine Grade Aluminum Oxide Vortex Rapid Prep Green TR Non-Woven Surface Preparation Disc, 50 Each
Dynabrade 90872 2" Dia. Coarse NWN DynaBrite Locking-Type Disc, 25/pack
Dynabrade 78127 3" Dia. Medium NWN VT DynaBrite Locking-Type Disc, 25/pack
Norton 66261014792 - 2" Medium Grade Aluminum Oxide Bear-Tex Speed-Lok High Strength Maroon TR Non-Woven Abrasive Disc 160 Each
Norton 66254497067 - 2" X 1/4" 100 - 150 Grit Medium Grade Aluminum Oxide Vortex Rapid Blend Blue TR Non-Woven Abrasive Disc, 25 Each
Dynabrade 53249 9" Dia. Type 27 Vertical Depressed Center Wheel Grinder, 3 HP, 6,000 RPM, 5/8"-11 Spindle
Standard Abrasives 710870, Cartridge Roll Mandrel, 1/8 in x 1/2 in x 1/4 in x 1-1/4 in x 2-1/4 in CM-7, 7000121794
Dynabrade 14000 Dynafile Abrasive Belt Tool
Dynabrade 64350 26" W x 36" L (660 mm W x 914 mm L) Metal Capture Downdraft Station, 230 V (AC)
Norton 66261014897 2" x 1/4" Bear-Tex NEX Rapid Blend AO Medium Grit TR (Type III) Non-Woven Wheel, 60 Each
Dynabrade 11072 Contact Wheel Ass'y, 7/16" Dia. x 1/8" W x 3/8" I.D., Crown Face, Brass
Dynabrade 78424 4-1/2" Dia. x 3/8" Medium DynaBrite Surface Conditioning Disc, 25/pack 
