Dotco 12L2582-01M6 Inline Die Grinder | 12-25 Series | 0.9 HP | 18000 RPM | 6mm Collet | Rear Exhaust

When burr control, edge blending, and mounted-wheel finishing need more power than a compact pencil grinder can provide, the Dotco 12L2582-01M6 inline die grinder delivers a 0.9 HP pneumatic motor with 18,000 RPM free speed for controlled material removal on metal, composites, castings, and fabricated parts. Its 6mm collet holds compatible carbide burrs and mounted points, while the rear exhaust directs spent air away from the work area to help keep debris and oil mist off the part surface.

Part of the Dotco 12-25 Series, this inline die grinder uses an ergonomic composite housing and compact 7.3-inch body for access into fixtures, weldments, molds, and assemblies where a larger grinder may be difficult to position. The 18,000 RPM speed range is well suited for deburring, porting, surface cleanup, and general shop finishing when paired with abrasives rated for the tool speed.

Type: Inline Die Grinder | Series: 12-25 Series | Model: 12L2582-01M6 | Grip Type: Inline | Collet Size: 6mm | Power: 0.9 HP / 0.67 kW | Free Speed: 18,000 RPM | Abrasive Capacity: 1" Carbide Burr, 1.5" Mounted Wheel | Housing Type: Composite | Length: 7.3" / 185 mm | Weight: 0.82 kg / approximately 1.8 lb | Air Inlet: 1/4" | Exhaust: Rear | Air Pressure: 90 PSI / 620 kPa | Minimum Hose I.D.: 5/16" / 7.9 mm

Features:

• 0.9 HP motor provides strong output for burr work, edge cleanup, weld blending, and general material removal tasks.
• 18,000 RPM free speed supports controlled finishing with compatible carbide burrs and mounted wheels.
• 6mm collet configuration matches metric shank abrasives used in fabrication, aerospace, automotive, and MRO work.
• Rear exhaust directs air away from the front of the tool, helping reduce disturbance around the cutting point.
• Ergonomic composite housing helps reduce overall tool weight while maintaining a compact inline profile.
• High power-to-weight ratio supports productivity during repeated deburring and finishing operations.
• Standard equipment includes applicable collet and collet wrenches.
• Optional collet guard 01-2047PT is supplied separately.

Made in USA:

Applications:

• Metal fabrication and welding — cleaning weld edges, removing burrs, blending small defects, and preparing parts for finishing.
• Aerospace and composite work — controlled trimming, edge finishing, and detail cleanup where an inline grinder offers better reach.
• Automotive and fleet repair — port cleanup, gasket surface preparation, bracket modification, and general shop deburring.
• Toolroom, mold, and die maintenance — detail grinding in pockets, cavities, contours, and other areas that require a narrow tool body.
• Industrial MRO departments — maintaining machinery parts, removing sharp edges, and finishing repaired components before reassembly.

FAQs:

• Q: What accessories can be used with the Dotco 12L2582-01M6?
  A: This model uses a 6mm collet and is listed for use with 1" carbide burrs and 1.5" mounted wheels. Always confirm the accessory shank size and maximum RPM rating before mounting it on the tool.
• Q: What does rear exhaust mean on a die grinder?
  A: Rear exhaust means the tool vents air out the back of the grinder instead of near the working end. This helps direct exhaust away from the abrasive contact point and can help keep the work area clearer during detail grinding.
• Q: Is 18,000 RPM appropriate for carbide burr work?
  A: Yes, 18,000 RPM is commonly used for die grinding with compatible carbide burrs, especially where controlled cutting is more important than maximum speed. The abrasive or burr must be rated at or above the grinder’s operating speed.
• Q: What air line size should be used?
  A: The manufacturer specifies a minimum hose I.D. of 5/16" / 7.9 mm. Using undersized hose can restrict airflow and reduce grinding performance.
• Q: Does this grinder include an overhose?
  A: This SKU is a rear exhaust model, but it is not listed as an OH overhose model. Conversion kits are available from the manufacturer for adding an OH overhose to rear exhaust tools when additional noise suppression is needed.

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