Dotco 12L2582-01 Inline Grinder | 12-25 Series | 0.9 HP | 18,000 RPM | 1/4" Collet | Composite Housing | Rear Exhaust

Built for controlled deburring, blending, and small-area material removal, the Dotco 12L2582-01 inline grinder combines 0.9 HP pneumatic output with a lower 18,000 RPM free speed for applications where torque and accessory control matter as much as top-end speed. It's 1/4" collet accepts common die grinder burrs and mounted points, making it a practical choice for removing burrs from machined parts, cleaning casting flash, opening holes, and shaping edges in metalworking, MRO, fabrication, and composite repair environments.

As part of the 12-25 Series, this Dotco inline grinder uses a composite housing to reduce handling weight during repetitive work, while the rear exhaust directs spent air away from the work surface. Rear exhaust is especially useful when grinding in pockets, slots, or fixture-held parts because it helps limit chip and dust blowback near the accessory. The inline body keeps the spindle aligned with the operator’s hand for straight access into workpieces where a right-angle grinder is not the preferred tool geometry.

Type: Inline Die Grinder | Brand: Dotco | Model: 12L2582-01 | Series: 12-25 Series | Power: 0.9 HP | Free Speed: 18,000 RPM | Collet Size: 1/4" | Housing: Composite | Exhaust: Rear

Features:

• 0.9 HP motor output supports burr work, mounted point grinding, and general material removal with compatible accessories.
• 18,000 RPM free speed provides controlled cutting action for applications where accessory stability and torque are important.
• 1/4" collet accepts common die grinder accessories used for deburring, shaping, edge cleanup, and finishing.
• Inline configuration keeps the spindle aligned with the operator’s grip for straight access into bores, pockets, and fixture-held parts.
• Composite housing helps reduce tool weight during repetitive production and maintenance grinding tasks.
• Rear exhaust directs air away from the work area to help reduce debris blowback across the grinding point.
• 12-25 Series configuration offers a compact grinder format for industrial material removal and finishing operations.

Made in USA:

Applications:

• Machining and toolroom work — deburring milled edges, drilled holes, slots, and machined features before inspection or assembly.
• Metal fabrication and welding shops — cleaning small weld areas, removing burrs, shaping brackets, and blending localized surface imperfections.
• Industrial maintenance and MRO — repairing worn edges, cleaning cast components, modifying replacement parts, and preparing surfaces for fit-up.
• Automotive and motorsports fabrication — port cleanup, bracket fitting, gasket surface preparation, and general garage die grinder work.
• Composite and aerospace repair environments — controlled trimming, touch-up grinding, and small-area finishing where an inline grinder improves access.

FAQs:

• Q: What is the difference between this 18,000 RPM model and a faster 23,000 RPM die grinder?
  A: The 18,000 RPM speed is better suited to applications where the operator wants more control with compatible burrs or mounted points. A faster model may remove material more quickly with smaller accessories, but accessory speed rating and workpiece material should always guide selection.
• Q: What accessories can be used with the Dotco 12L2582-01?
  A: This grinder uses a 1/4" collet for compatible carbide burrs, mounted points, and other properly rated die grinder accessories. Always verify the accessory shank size and maximum RPM rating before use.
• Q: Why does rear exhaust matter on a die grinder?
  A: Rear exhaust sends spent air toward the back of the tool instead of forward across the workpiece. This helps keep chips, dust, and grinding debris from being blown directly over the cutting area.
• Q: Is this grinder used for cutting wheels?
  A: This is an inline die grinder, not a guarded cut-off tool. Use only accessories that are compatible with the tool, collet, guarding requirements, and RPM rating; never mount saw blades or non-reinforced grinding wheels.
• Q: Can this tool be used in a home garage?
  A: Yes, when connected to a properly regulated air supply and used with compatible accessories. It is still a professional pneumatic grinder, so eye, face, hearing, and body protection are required.

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Need help selecting the correct Dotco Grinders for your application? Please call (800) 608-5210 or email info@intlairtool.com