Dotco 12L1045-36M6 Inline Die Grinder | 12-10 Series | 0.3 HP | 12000 RPM | 6mm Collet | Front Exhaust

Built for controlled deburring, finishing, and small-area material removal, the Dotco 12L1045-36M6 Inline Die Grinder gives technicians a straight-body pneumatic tool for working with compatible 6 mm shank rotary accessories. Part of the 12-10 Series, this grinder combines a 0.3 HP motor with 12,000 RPM free speed, meaning no-load rotational speed, for applications where a slower die grinder speed may provide better control than higher-RPM models. The 6 mm collet, the accessory-holding chuck, supports metric-shank tooling, while the front exhaust directs spent air out near the tool head.

The inline configuration helps keep the accessory aligned with the user’s hand position, making this Dotco die grinder useful for bench finishing, fixture work, part cleanup, and detail grinding in production or repair environments. Use it with properly rated carbide burrs, mounted points, abrasive stones, and other approved accessories that match the 6 mm collet and tool speed.

Type: Inline Die Grinder | Brand: Dotco | Model: 12L1045-36M6 | Series: 12-10 Series | Power: 0.3 HP | Free Speed: 12,000 RPM | Collet Size: 6 mm | Exhaust: Front Exhaust | Power Source: Pneumatic

Features:

• Inline die grinder format supports straight-line control for deburring, edge cleanup, and precision finishing tasks.
• 0.3 HP air motor provides practical power for light grinding, part cleanup, and controlled material removal.
• 12,000 RPM free speed supports applications that call for lower accessory speed than high-RPM die grinder models.
• 6 mm collet accepts compatible metric-shank rotary accessories, including properly rated burrs and mounted abrasive points.
• Front exhaust routes air near the tool head, which may suit workstations where rear exhaust is not preferred.
• Pneumatic operation makes the tool suitable for production benches, repair departments, fabrication areas, and tool room use.

Made in USA:

Applications:

• Metal fabrication and weld prep — removing burrs, softening sharp edges, and cleaning small welded areas with compatible accessories.
• Tool and die work — finishing fixture details, mold features, and tight areas where a straight die grinder is easier to guide.
• Industrial maintenance and MRO — cleaning up repaired parts, brackets, housings, and machined edges during routine service work.
• Aerospace and composite shops — detail finishing and trim cleanup when the selected accessory and material requirements match the job.
• Automotive and garage fabrication — small casting cleanup, bracket modification, and controlled deburring in custom repair work.

FAQs:

• Q: What does the 6 mm collet size mean?
  A: The collet is the chuck that grips the accessory shank. This model is made for compatible 6 mm shank rotary accessories, so 1/4" or 1/8" accessories should not be used unless the correct manufacturer-approved collet is installed.
• Q: Why choose a 12,000 RPM die grinder instead of a faster model?
  A: A lower free speed can provide more controlled accessory contact on certain finishing, deburring, and cleanup tasks. Always match the speed to the accessory manufacturer’s recommendations and the material being worked.
• Q: What is front exhaust on this Dotco grinder?
  A: Front exhaust means spent air exits near the front of the tool rather than through the rear. This may work better in some fixture or bench layouts, but users should consider how the airflow may affect chips, dust, or debris at the work area.
• Q: Can this tool be used with carbide burrs?
  A: Yes, when the burr has a compatible 6 mm shank and is rated for at least 12,000 RPM. Do not use accessories that are undersized, damaged, or rated below the tool’s maximum speed.
• Q: What air setup is required?
  A: The provided source information does not include air consumption, air inlet size, or minimum hose size. Confirm the full manufacturer specifications before choosing the compressor, hose, fittings, and FRL.

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