Festool 493490 DOMINO cutterD 5-NL 20 HW-DF 500

Festool 493490 Domino Cutter

Carbide tipped bit - withstands 5,000 to 14,000 joints, depending on material
Spiral flutes for clean cuts
Internally threaded for quick, easy bit changes
Creates perfect mortise width for Festool 5mm tenons