doub - draw
- double coil spring lock washer
- double end
- double end stud with full shank
- double end stud with reduced shank
- double head
- double hex
- double offset
- double thread screw
- double-disc friction clutch
- double-row butt-jointed riveting
- double-row butt-jointed straped riveting
- double-row lap riveting
- double-row riveting
- double-schear joint
