Built for fast deburring, edge cleanup, and localized material removal, the Dotco 12L2500-36 inline grinder delivers 0.9 HP of pneumatic power with a 23,000 RPM free speed. This high-speed configuration helps carbide burrs and compatible mounted accessories cut efficiently on metal, castings, composites, plastics, and machined parts. It's 1/4" collet accepts common die grinder accessories used for burr removal, blending, porting, shaping, and detail finishing in production, repair, and fabrication settings.
As part of the Dotco 12-25 Series, this inline grinder pairs a composite housing with a compact straight-body layout for controlled access into workpieces, pockets, bores, and fixture-held parts. The front exhaust directs spent air forward near the work end of the tool, which may be preferred in some workstation layouts where rear-directed air is not desired. For shops comparing similar 12-25 Series models, the 12L2500-36 provides the same key power and speed class as other 23,000 RPM inline configurations while using a front-exhaust airflow arrangement.
Type: Inline Die Grinder | Brand: Dotco | Model: 12L2500-36 | Series: 12-25 Series | Power: 0.9 HP | Free Speed: 23,000 RPM | Collet Size: 1/4" | Housing: Composite | Exhaust: Front
Features:
- 0.9 HP motor output supports burr work, blending, and small-area material removal with compatible die grinder accessories.
- 23,000 RPM free speed helps maintain efficient cutting action with properly rated carbide burrs and mounted points.
- 1/4" collet accepts common industrial die grinder accessories for deburring, shaping, porting, and finishing tasks.
- Inline body keeps the spindle aligned with the operator’s grip for straight access into bores, pockets, fixtures, and machined openings.
- Composite housing helps reduce handling weight during repetitive bench, fixture, and production grinding work.
- Front exhaust routes air near the tool nose, providing an alternate exhaust configuration for shops that prefer forward-directed airflow.
- 12-25 Series configuration offers a compact high-output grinder format for industrial material removal and finishing operations.
Made in USA: 
Applications:
- Machining and toolroom work — deburring drilled holes, milled edges, slots, and machined features before inspection or assembly.
- Metal fabrication and welding shops — cleaning edges, blending small weld areas, shaping brackets, and removing localized surface imperfections.
- Automotive and motorsports fabrication — port touch-up, gasket surface cleanup, bracket fitting, and general 1/4" die grinder work.
- Industrial maintenance and MRO — repairing worn parts, cleaning castings, modifying replacement components, and preparing surfaces for fit-up.
- Composite and aerospace workstations — trimming, touch-up grinding, and controlled finishing where a compact inline grinder improves reach.
FAQs:
- Q: What makes the Dotco 12L2500-36 different from rear-exhaust models?
A: The 12L2500-36 uses a front exhaust configuration, meaning spent air exits near the front of the tool. This can be useful in workstations where the operator prefers air to be directed away from the rear of the grip or supply hose area. - Q: What accessories can be used with this grinder?
A: This model uses a 1/4" collet for compatible carbide burrs, mounted points, and other properly rated die grinder accessories. Always confirm both shank size and maximum RPM rating before installing an accessory. - Q: Is 23,000 RPM appropriate for all 1/4" shank accessories?
A: No. The accessory must be rated for at least 23,000 RPM, and some larger mounted accessories may require lower tool speeds. Check the accessory manufacturer’s maximum operating speed before use. - Q: Can this tool be used as a cut-off grinder?
A: This is an inline die grinder, not a guarded cut-off tool. Use only compatible accessories that meet the tool’s collet, speed, and guarding requirements; never mount saw blades or non-reinforced grinding wheels. - Q: What type of work is this grinder best suited for?
A: It is best suited for high-speed deburring, shaping, blending, and small-area finishing with compatible 1/4" shank accessories. It is commonly used in fabrication, machining, maintenance, automotive, and composite repair environments.
| SKU | Collet Size | Exhaust | Free Speed | Abrasive Capacity Grinder | Weight | Length | Air Inlet Size |
|---|---|---|---|---|---|---|---|
| r/min | Lb | in | in | ||||
| 12L2500-01 | 1/4 in | Front | 23000 | 1“ Carbide Burr, 1.5“ Mounted Wheel | 1.76 | 7.3 | 1/4 in |
| 12L2500-01M6 | 1/4 in | 6mm | Front | 23000 | 1“ Carbide Burr, 1.5“ Mounted Wheel | 1.76 | 7.3 | 1/4 in |
| 12L2500-36 | 1/4 in | Front | 23000 | 1“ Carbide Burr, 1.5“ Mounted Wheel | 1.76 | 8 | 1/4 in |
| 12L2502-01 | 1/4 in | Front | 18000 | 1“ Carbide Burr, 1.5“ Mounted Wheel | 1.76 | 7.3 | 1/4 in |
| 12L2542-01 | 1/4 in | Rear | 12000 | 1“ Carbide Burr, 1.5“ Mounted Wheel | 1.76 | 7.4 | 1/4 in |
| 12L2562-01 | 1/4 in | Front | 12000 | 1“ Carbide Burr, 1.5“ Mounted Wheel | 1.76 | 7.4 | 1/4 in |
| 12L2562-01M6 | 1/4 in | 6mm | Front | 12000 | 1“ Carbide Burr, 1.5“ Mounted Wheel | 1.76 | 7.4 | 1/4 in |
| 12L2565-01 | 1/4 in | Front | 15000 | 1“ Carbide Burr, 1.5“ Mounted Wheel | 1.76 | 7.4 | 1/4 in |
| 12L2568-01 | 1/4 in | Front | 18000 | 1“ Carbide Burr, 1.5“ Mounted Wheel | 1.76 | 7.4 | 1/4 in |
| 12L2580-01 | 1/4 in | Rear | 23000 | 1“ Carbide Burr, 1.5“ Mounted Wheel | 1.76 | 7.3 | 1/4 in |
| 12L2580-01M6OH | 1/4 in | 6mm | Rear | 23000 | 1“ Carbide Burr, 1.5“ Mounted Wheel | 1.76 | 7.3 | 1/4 in |
| 12L2580-01OH | 1/4 in | Rear | 23000 | 1“ Carbide Burr, 1.5“ Mounted Wheel | 1.76 | 7.3 | 1/4 in |
| 12L2580-36 | 1/4 in | Rear | 23000 | 1“ Carbide Burr, 1.5“ Mounted Wheel | 1.76 | 8 | 1/4 in |
| 12L2582-01 | 1/4 in | Rear | 18000 | 1“ Carbide Burr, 1.5“ Mounted Wheel | 1.76 | 7.3 | 1/4 in |
| 12L2582-01M6 | 1/4 in | 6mm | Rear | 18000 | 1“ Carbide Burr, 1.5“ Mounted Wheel | 1.76 | 7.3 | 1/4 in |
| 12L2582-01OH | 1/4 in | Rear | 18000 | 1“ Carbide Burr, 1.5“ Mounted Wheel | 1.76 | 7.3 | 1/4 in |
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