How do I rout a dado that actually holds a shelf?
| Board marked | Actual thickness | Bit that fits |
|---|---|---|
| 3/4 in plywood | 0.70-0.72 in | 23/32 in, or two light passes with 3/4 in |
| 3/4 in MDF | 0.73-0.75 in | 3/4 in, sneck the fit with a test cut |
| 3/4 in solid pine | 0.75 in, moves with humidity | 3/4 in plus 0.2 mm clearance |
| 1/2 in plywood | 0.46-0.48 in | 15/32 in |
The procedure: cut a 100 mm test dado in the same offcut before touching the real panel. Slide the shelf in: it should need light hand pressure and hold itself without glue. If it drops in, the dado is wide by more than 0.2 mm.
Depth: one third of the shelf thickness is enough — 6 mm for 18 mm board. Any deeper and you remove most of the panel strength where the load is.
Order of work: rout all the dados on the flat panels before assembly, in one setup with a fence and a stop, so every shelf sits at the same height.
Router Bit Set, 15 pcs, 1/4 in shank, wooden case — $59
Price includes US duty, international shipping and customs clearance. In stock. Dispatched within 48 hours. Delivered in 7–12 days, tracked. 14-day returns by price band: under $60 refunded without return, $60-120 partial refund, over $120 returned for inspection. Free replacement for damage in transit. No US state sales tax collected.
| Product | Price | Pieces | Weight |
|---|---|---|---|
| Router Bit Set, 15 pcs, 1/4 in shank, wooden case | $59 | 15 pcs | 550 g |
| Router Bit Set, 15 pcs, 1/2 in shank, wooden case | $69 | 15 pcs | 1000 g |
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Options we stock
| Product | Price (duty and shipping included) | Weight | Delivery |
|---|---|---|---|
| Router Bit Set, 15 pcs, 1/4 in shank, wooden case | USD 59.00 | 550 g | 7-12 days |
| Router Bit Set, 15 pcs, 1/2 in shank, wooden case | USD 69.00 | 1000 g | 7-12 days |