Tools ยท July 14, 2026
A Practical Slab-Flattening Tool List
The core tools and shop considerations behind a router-sled flattening workflow.
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A router sled can flatten slabs that exceed the capacity of a jointer or planer, but the quality of the result depends on the entire system.
The system matters more than one tool
Evaluate the router, flattening bit, rails, sled rigidity, dust collection, slab support, and workholding as a single setup.
Prioritize control
Use conservative passes, verify that rails are coplanar, and prevent the slab from shifting. Protective equipment and effective dust collection are essential.
Recommend only what you know
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