disk - down
- double-angle cutter
- double-angle milling cutter
- double-angle point
- double-arm ATC
- double-arm lever
- double-armed lever
- double-armed robot
- double-belt assembly line
- double-belt conveyor
- double-bevel groove weld
- double-bevel weld
- double-bitted
- double-bitted toolholder
- double-bladed power hacksaw
- double-bolt cutter
- double-cam
- double-cantilever
- double-cantilever cutting machine
- double-chip conveyor
- double-chuck fixture
- double-circle tool drum
- double-circle tool magazine
- double-clapper block tool holder
- double-coil spring
- double-column design
- double-column milling machine
- double-column planer
- double-column planing machine
- double-column press
- double-column slideway grinding machine
- double-column turning-and-boring mill
- double-column-supported bridge construction
- double-cone clutch
- double-cone spring
- double-corner rounding cutter
- double-corner rounding milling cutter
- double-crank press
- double-curved
- double-cut apparatus
- double-cut broach
