DeWalt Multi-Tool Blade Compatibility
DeWalt is the outlier in the multi-tool blade world. While most major brands have adopted either Starlock or universal-fit blade systems, DeWalt uses a proprietary quick-change horseshoe mount that is incompatible with virtually every other brand’s blades. This is both the biggest strength and biggest limitation of DeWalt’s multi-tool platform — blade changes are fast and secure, but you’re locked into DeWalt accessories unless you use adapters.
Quick Answer
DeWalt multi-tools use a proprietary quick-change horseshoe system. You need DeWalt-specific or universal-fit blades — Starlock and OIS blades will NOT fit.
DeWalt Multi-Tool Models and Blade Systems
| Model | Type | Blade System | Accepts |
|---|---|---|---|
| DCS355 | Cordless 18V XR Brushless | DeWalt Quick-Change | DeWalt proprietary blades only |
| DCS356 | Cordless 18V XR Brushless | DeWalt Quick-Change | DeWalt proprietary blades only |
| DWE315 | Corded 300W | DeWalt Quick-Change | DeWalt proprietary blades only |
| DWE315KT | Corded 300W (kit) | DeWalt Quick-Change | DeWalt proprietary blades only |
| DCS335 | Cordless 18V XR | DeWalt Quick-Change | DeWalt proprietary blades only |
Why DeWalt Blades Are Different
DeWalt’s quick-change system uses a U-shaped horseshoe cutout at the base of the blade, combined with a cam-lock mechanism. This design provides very fast, solid blade changes — you press a lever, slide the blade in, and release. It’s arguably quicker than Starlock for on-the-job swaps.
The downside is that this mounting pattern is unique to DeWalt. Starlock, OIS, and universal-fit blades all have different shapes at the mounting point and physically cannot attach to a DeWalt multi-tool without modification.
Can I Use Non-DeWalt Blades?
Directly: No. Starlock, OIS, and universal-fit blades are not compatible with DeWalt multi-tools. The horseshoe mount is a different shape entirely.
With an adapter: Third-party adapters exist that allow you to fit universal or Starlock blades to DeWalt tools. These typically replace the DeWalt quick-change clamp with a universal mounting plate. They work, but they add bulk, may reduce vibration dampening, and remove the quick-change convenience. Most professionals find it easier to just buy DeWalt-compatible blades.
Recommended DeWalt Multi-Tool Blades
| Blade | Type | Best For | Link |
|---|---|---|---|
| DeWalt DT20707 Bi-Metal | Plunge cut 31mm | Wood, plastic, thin metal | View on Amazon |
| DeWalt DT20710 Bi-Metal Wide | Plunge cut 43mm | Wide cuts in wood, MDF | View on Amazon |
| DeWalt DT20715 Accessory Set | Mixed set (5 pieces) | All-round starter kit | View on Amazon |
| DeWalt DT20717 Carbide Grout | Carbide grout blade | Grout removal between tiles | View on Amazon |
| DeWalt DT20712 Rigid Scraper | Scraper blade | Adhesive removal, caulk scraping | View on Amazon |
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Common Questions About DeWalt Multi-Tool Blades
Can I use Starlock blades on my DeWalt DCS355?
Not directly. The DCS355 uses DeWalt’s proprietary horseshoe quick-change mount, which is physically incompatible with Starlock blades. Third-party universal adapters exist, but they remove the quick-change functionality and add bulk. For most users, buying DeWalt-compatible blades is the simpler solution.
Are DeWalt multi-tool blades expensive compared to other brands?
DeWalt blades are competitively priced individually, but the limited ecosystem means fewer cheap third-party alternatives compared to universal-fit or Starlock systems. Brands like Bosch and Fein have much larger accessory ranges, and universal-fit blades from budget manufacturers are often the cheapest option — neither of which work on DeWalt tools.
Is the blade lock-in a dealbreaker?
It depends on your priorities. The DCS355 is widely regarded as one of the best cordless multi-tools on the market — it’s powerful, well-balanced, and the quick-change mechanism is genuinely excellent. Many tradespeople are happy to accept the blade limitation in exchange for the tool’s overall quality. But if blade variety and cross-brand compatibility matter to you, Bosch (Starlock) or Milwaukee (OPEN-LOK with universal adapter) offer more flexibility.