Built for demanding deburring, weld blending, and precision material removal, the Dotco 12L2776-36 Heavy Duty Head Right Angle Grinder combines a 0.9 HP pneumatic motor with a 13,500 RPM free speed to provide fast, controlled grinding performance. Its heavy duty right-angle head improves access around machinery, fabricated components, and confined workspaces where straight grinders cannot easily reach. The 1/4" collet accommodates compatible carbide burrs and mounted wheels for a variety of finishing applications.
As part of the Dotco 12-27 Series, this grinder features a lightweight composite housing, rear exhaust, and a 3" extension that allows operators to reach recessed surfaces while maintaining excellent tool control. The combination of higher operating speed and increased power makes it well suited for production environments requiring efficient stock removal and consistent finishing quality.
Type: Heavy Duty Head Right Angle Grinder | Series: 12-27 Series | SKU: 12L2776-36 | Power: 0.9 HP | Free Speed: 13,500 RPM | Collet Size: 1/4" | Abrasive Capacity: 3/4" Carbide Burr, 1.25" Mounted Wheel | Housing: Composite | Exhaust: Rear | Extension: 3" | Overall Length: 10.5" | Weight: 2.3 lbs
Features:
- 0.9 HP pneumatic motor provides increased power for demanding grinding and finishing applications.
- 13,500 RPM free speed delivers fast material removal while maintaining operator control.
- Heavy duty right-angle head provides improved access around obstructions and inside assemblies.
- 1/4" collet accepts compatible carbide burrs and mounted wheels for versatile finishing tasks.
- Composite housing reduces overall tool weight while providing durability for daily production use.
- Rear exhaust helps keep airflow directed away from the operator and work surface.
- 3" extension improves reach when working inside castings, housings, and fabricated structures.
Made in USA: 
Applications:
- Deburring machined components and precision metal parts.
- Blending welds and smoothing edges during fabrication and repair.
- Finishing dies, molds, and castings in manufacturing environments.
- Grinding and polishing inside confined assemblies where straight grinders have limited access.
- Industrial maintenance, MRO, aerospace, and metalworking applications requiring controlled material removal.
FAQs:
- Q: What accessories are compatible with this grinder?
A: The 12L2776-36 uses a 1/4" collet and is designed for compatible 3/4" carbide burrs and 1.25" mounted wheels. Always verify that the accessory's maximum rated speed meets or exceeds 13,500 RPM. - Q: What advantage does the heavy duty head provide?
A: The heavy duty head improves durability while allowing better access to tight work areas, making the grinder well suited for production and maintenance applications. - Q: Why does this model include a 3" extension?
A: The extension increases reach into recessed features, deep cavities, and areas around fixtures without sacrificing the control of a right-angle grinder. - Q: Does this grinder include carbide burrs or mounted wheels?
A: No. Grinding accessories are sold separately so users can select the proper style and abrasive for their application.
| SKU | Collet Size | Exhaust | Free Speed | Abrasive Capacity Grinder | Abrasive Capacity Sander | Weight | Length | Head Height | Air Inlet Size |
|---|---|---|---|---|---|---|---|---|---|
| r/min | Lb | in | in | in | |||||
| 10L2778-36 | 1/4 in | Rear | 14500 | 3/4“ Carbide Burr, 1.25“ Mounted Wheel | 4“ (100mm) Sanding/Polishing Disc | 2.4 | 10.5 | 2.90 | 1/4 in |
| 10L2778-45 | 1/4 in | Rear | 14500 | 3/4“ Carbide Burr, 1.25“ Mounted Wheel | 4“ (100mm) Sanding/Polishing Disc | 2.4 | 10.5 | 2.90 | 1/4 in |
| 12L2277-36 | 1/4 in | Rear | 12000 | 3/4“ Carbide Burr, 1.25“ Mounted Wheel | 4“ (100mm) Sanding/Polishing Disc | 2.2 | 10 | 2.70 | 1/4 in |
| 12L2278-36 | 1/4 in | Rear | 14500 | 3/4“ Carbide Burr, 1.25“ Mounted Wheel | 4“ (100mm) Sanding/Polishing Disc | 2.2 | 10 | 2.70 | 1/4 in |
| 12L2776-36 | 1/4 in | Rear | 13500 | 3/4“ Carbide Burr, 1.25“ Mounted Wheel | 4“ (100mm) Sanding/Polishing Disc | 2.2 | 10.5 | 2.90 | 1/4 in |
| 12L2777-32 | 1/4 in-28i | Rear | 12000 | 3/4“ Carbide Burr, 1.25“ Mounted Wheel | 4“ (100mm) Sanding/Polishing Disc | 2.2 | 10.5 | 2.90 | 1/4 in |
| 12L2777-36 | 1/4 in | Rear | 12000 | 3/4“ Carbide Burr, 1.25“ Mounted Wheel | 4“ (100mm) Sanding/Polishing Disc | 2.2 | 10.5 | 2.90 | 1/4 in |
| 12L2777-45 | 1/4 in | Rear | 12000 | 3/4“ Carbide Burr, 1.25“ Mounted Wheel | 4“ (100mm) Sanding/Polishing Disc | 2.2 | 10.5 | 2.90 | 1/4 in |
| 12L2778-36 | 1/4 in | Rear | 14500 | 3/4“ Carbide Burr, 1.25“ Mounted Wheel | 4“ (100mm) Sanding/Polishing Disc | 2.2 | 10.5 | 2.90 | 1/4 in |
| 12L2778-45 | 1/4 in | Rear | 14500 | 3/4“ Carbide Burr, 1.25“ Mounted Wheel | 2.2 | 10.5 | 2.90 | 1/4 in | |
| 12L2776-30 | 1/4 in-20i | Rear | 13500 | 4“ Sanding Disc | 2.2 | 10.5 | 2.90 | 1/4 in | |
| 12L2776-32 | 1/4 in-28i | Rear | 13500 | 4“ Sanding Disc | 2.2 | 10.5 | 2.90 | 1/4 in | |
| 12L2777-28OH | 3/8 in-24e | Rear | 12000 | 4“ Type 1 Cut-Off Wheel | 3.3 | 10.9 | 2.90 | 1/4 in | |
| 12L2778-28 | 3/8 in-24e | Rear | 14500 | 4“ Type 1 Cut-Off Wheel | 3.3 | 10.9 | 2.90 | 1/4 in | |
| 12L2778-84 | 3/8 in-24e | Rear | 14500 | 4“ Type 27 Wheel | 2.87 | 10.5 | 2.30 | 1/4 in |
Looking for more information about Dotco Grinder? Click here to view the Catalog.
Need help selecting the correct Dotco Grinders for your application? Please call (800) 608-5210 or email info@intlairtool.com
warning WARNING: This or other products sold on this website may expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information go to www.P65Warnings.ca.gov
