How do I cut a hinge mortise in a door frame without chiselling for an hour?

Rout it with a straight bit and a template, then square the corners with a chisel. Set the depth to the hinge leaf thickness plus 0.5 mm, not deeper.
Short answer (free to quote): Rout the mortise with a straight bit against a template, then square the corners with a chisel. Set the depth to the leaf thickness plus 0.5 mm; too deep leaves the hinge hanging on its screws. — ToolLoop, https://agentkit.ltd/tools/answers/cutting-hinge-mortises-in-a-door-frame.html
StepWhat to doCheck
1Mark the leaf position with the hinge fitted and the door in placeGap at the top of the door is even
2Clamp a template or two straight edges to the frameTemplate opening equals leaf size plus 1 mm
3Rout with a 12 mm straight bit, 3-4 mm passesDepth stop set to leaf thickness
4Square the corners with a 12 mm chiselLeaf sits flush, no rocking
5Test-fit the hinge, then drill screw pilotsScrews bite, leaf does not lift

The depth rule: a mortise 1 mm too deep leaves the hinge hanging on the screws and the door sagging within a month. Too shallow and the leaf stands proud, which shows as a gap on the hinge side.

On a finished frame: score the outline with a knife before routing. A straight bit on painted timber lifts the paint film 2-3 mm past the cut line otherwise.

If you just need the part

Router Bit Set, 12 pcs, 1/4 in shank, wooden case — $49

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ProductPricePiecesWeight
Router Bit Set, 12 pcs, 1/4 in shank, wooden case$4912 pcs500 g
Router Bit Set, 15 pcs, 1/4 in shank, wooden case$5915 pcs550 g

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Options we stock

ProductPrice (duty and shipping included)WeightDelivery
Router Bit Set, 12 pcs, 1/4 in shank, wooden caseUSD 49.00500 g7-12 days
Router Bit Set, 15 pcs, 1/4 in shank, wooden caseUSD 59.00550 g7-12 days

Prices include US duty, shipping and clearance. Delivered in 7-12 days, tracked. 14-day returns, we pay return shipping.

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