Built for faster circular cutting in fabrication, composite, and production environments, the Dotco 12S4218-01 Saw pairs a 1.7 HP pneumatic motor with an 8,600 RPM free speed for applications that call for higher blade speed in a compact right-angle saw format. Its 4.0-inch saw blade capacity and 1-inch maximum depth of cut make it useful for trimming panels, cutting composite materials, and working on assemblies where a larger saw may be difficult to control.
Part of Dotco’s 12-42 Series, the 12S4218-01 uses a composite housing to help reduce overall tool weight while maintaining a practical body style for repeated cutting tasks. The front exhaust configuration routes discharged air forward, helping keep exhaust flow away from the operator’s grip area. Adjustable depth control helps match the cut to the material, while easy blade changes support efficient setup between jobs.
Type: Right Angle Pneumatic Circular Saw | Model: 12S4218-01 | Series: 12-42 Series | Power: 1.7 HP | Free Speed: 8,600 RPM | Saw Blade Capacity: 4.0" | Maximum Depth of Cut: 1" | Housing: Composite | Exhaust: Front | Air Inlet: 1/4" NPT | Minimum Hose Size: 1/2"
Features:
- 1.7 HP pneumatic motor provides cutting power for fabrication, production, and maintenance work.
- 8,600 RPM free speed supports faster cutting action with compatible 4-inch saw blades.
- 4.0-inch saw blade capacity with 1-inch maximum depth of cut supports trimming, panel cutting, and controlled material removal.
- Composite housing helps reduce tool weight for repeated use in shop and production settings.
- Front exhaust directs discharged air toward the front of the tool instead of through the rear grip area.
- Adjustable depth control helps limit blade exposure based on the workpiece and cutting requirement.
- Easy blade-change design helps reduce setup time when switching cutting accessories.
Made in USA: 
Applications:
- Aerospace and composite fabrication — trimming composite panels, cutting laminates, and working around shaped components.
- Industrial production — repetitive cutting tasks where a compact pneumatic saw and higher RPM help maintain workflow.
- Fabrication shops — cutting sheet material, panels, and light components with compatible 4-inch saw blades.
- Maintenance and repair work — panel removal, equipment modification, and controlled cutting where tool access matters.
- Automotive and specialty repair — cutting brackets, body materials, and repair panels when a compact air saw is preferred.
FAQs:
- Q: What size blade does the Dotco 12S4218-01 accept?
A: The 12S4218-01 is listed with a 4.0-inch saw blade capacity. Confirm blade arbor, material compatibility, and maximum RPM before use. - Q: What is the difference between this model and the 12S4216-01?
A: The key difference is free speed. The 12S4218-01 runs at 8,600 RPM, while the 12S4216-01 is listed at 5,800 RPM. - Q: What does front exhaust mean on this saw?
A: Front exhaust means spent air exits toward the front of the tool. This helps keep exhaust flow away from the operator’s hand position during cutting. - Q: Is this Dotco saw vacuum ready?
A: This model is listed with front exhaust, not as a vacuum-ready configuration. Use a vacuum-ready Dotco model when dust collection connection is required.
| SKU | Saw Blade Capacity | Free Speed | Type Housing | Maximum Depth of Cut | Weight | Length | Air Inlet Size | Exhaust | ||
|---|---|---|---|---|---|---|---|---|---|---|
| in | mm | r/min | in | mm | lb | in | in | |||
| 12S4216-01 | 4.02 | 102 | 5800 | COMPOSITE | 1.00 | 25.4 | 7.9 | 15.5 | 1/4 | FRONT |
| 12S4218-01 | 4.02 | 102 | 8600 | COMPOSITE | 1.00 | 25.4 | 7.9 | 15.5 | 1/4 | FRONT |
| 12S4225-03 | 4.02 | 102 | 8500 | COMPOSITE | 1.00 | 25.4 | 9.3 | 17.0 | 1/4 | VACUUM READY |
Looking for more information about Dotco Saw? Click here to view the Catalog.
Need help selecting the correct Dotco Saws for your application? Please call (800) 608-5210 or email info@intlairtool.com
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