Diablo Oscillating Multi Tool Blades DOU125BW3 1-1/4 Inch 3 Pack Demo Demon Cutters (2 Cutting Depth Black ICE Universal Nail Embedded Wood Plunge)
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Diablo DOU125BW3 Demo Demon™ 1-1/4" Bi-Metal Oscillating Multi-Tool Blades (3-Pack)
The Diablo DOU125BW3 Demo Demon™ 1-1/4-inch bi-metal oscillating multi-tool blades plunge through nail-embedded framing timber, architectural trim, drywall, and PVC conduit. Engineered with high-strength bi-metal tooth construction and an innovative Curve Contact Edge, these heavy-duty plunge blades deliver up to 5X longer cutting life compared to standard high-carbon steel multi-tool blades while maintaining precise, chatter-free starts. Outfitted with an extended 2-inch cutting depth that reaches through multi-layered wall assemblies, an anti-friction Black I.C.E. (Industrial Cooling Element) coating that dissipates thermal heat and sheds pitch buildup, and an adapter-free universal fit interface, this 3-pack equips demolition contractors, remodelers, and commercial trades with uninterrupted cutting speed across major corded and cordless oscillating multi-tools.
Best Used For:
- Demolition and Nail-Embedded Wood Plunging: Slicing through structural wall studs, subfloor sheathing, and exterior window frames containing hidden steel framing nails or hardened drywall screws.
- Architectural Trim and Baseboard Undercutting: Trimming door jamb casings, baseboards, and hardwood flooring flush to subfloors during tile and resilient flooring installations.
- Plumbing and Electrical Conduit Cutouts: Plunging rectangular openings in plasterboard, structural plywood, composite panels, and PVC drainage pipes in cramped mechanical bays.
Key Performance & Safety Features
- 5X Extended Operational Lifespan: Ultra-hardened bi-metal cutting teeth withstand severe mechanical impacts against embedded fasteners without instantaneous tooth stripping.
- Curved Contact Edge Pilot: Rounded cutting profile creates a smooth starting groove, minimizing tool vibration and eliminating wandering during vertical plunge cuts.
- Black I.C.E. Thermal Protective Coating: Industrial Cooling Element barrier keeps the cutting edge cooler, accelerates chip evacuation, and prevents adhesive and pitch gumming.
- Deep 2" Cutting Reach: Extended body geometry allows clean through-cuts in thick dimensional lumber, 2x framing stocks, and insulated partition walls.
- Universal Adapter-Free Fitment: Engineered mounting pattern directly locks onto oscillating multi-tools from Milwaukee, DeWalt, Makita, Bosch, and Ridgid without requiring adapter rings.
- High-Value Contractor 3-Pack: Supplies three jobsite-ready blades in a single pack, providing up to 33% financial savings over purchasing single individual replacement units.
What's Included
- (3) Diablo DOU125BW 1-1/4 In. Demo Demon™ Bi-Metal Universal Oscillating Multi-Tool Blades
Technical Specifications
| Manufacturer Brand | Diablo Tools Inc. |
| Model Part Number | DOU125BW3 |
| Product Line Association | Demo Demon™ Demolition Series |
| Blade Cutting Width | 1.250 Inches (1-1/4 in. / 31.75 mm) |
| Maximum Plunge Depth | 2.000 Inches (2 in. / 50.80 mm) |
| Cutting Edge Architecture | Curve Contact Edge Vibration-Reduction Geometry |
| Blade Metallurgy Composition | Premium Grade Bi-Metal Alloy Construction |
| Protective Surface Treatment | Black I.C.E. (Industrial Cooling Element) Thermal Coating |
| Performance Comparison Metric | Up to 5X Longer Service Life vs Standard Carbon Blades |
| Arbor Interface System | Universal Adapter-Free Slotted Open-Back Fitment |
| Tool Brand Fitment Compatibility | Milwaukee, DeWalt, Makita, Ridgid, Bosch (Non-Starlock) |
| Order Package Quantity | 3 Blades per Retail Clamshell Pack |
| Measurement Standard | Fractional Imperial (SAE) Standard Dimensions |
| Suitable for material type | Nail-Embedded Wood, Clean Timber, Drywall, & PVC |
Pro-Tip: When plunge-cutting into deep framing lumber containing embedded nails, oscillate the multi-tool with a slight rocking motion; keeping the blade rocking allows the curved contact teeth to clear sawdust efficiently, prevents friction heat buildup, and preserves the bi-metal cutting edge when striking embedded steel fasteners.
