Wikimedi'Òc

Archimedes.png - Ub

VitruviusTenBooksMHMorgan1914p295.gif - Archimerged

Screw on blue background.jpg - Essjay~commonswiki

Interrupted breech screw.jpg - Interiot~commonswiki

Screw bolt.png - Sroubek

Screw.png - Patricia.fidi

Helicoidale exemple.jpg - Ruizo~commonswiki

Helicoidale.jpg - File Upload Bot (Magnus Manske)

Belleville washer.jpg - Kropotkine 113

Internal wrenching nut.png - Wizard191

Phillips screw head 1.png - Wizard191

Pozi screw head 1.png - Wizard191

Pozi screw head 2.png - Wizard191

Fotothek df tg 0003744 Mechanik ^ Schraube ^ Werkzeug ^ Keil.jpg - FotothekBot

Screw (bolt) 02.PNG - Tosaka~commonswiki

Screw (bolt) 01.PNG - Tosaka~commonswiki

Screw (bolt) 14-n.PNG - Tosaka~commonswiki

Screw (bolt) 15-n.PNG - Tosaka~commonswiki

Screw (bolt) 16-n.PNG - Tosaka~commonswiki

Delta Collage.jpg - Jasminrichter

Water screw by Vitruvius.png - Very trivial

Ŝraŭbeco dekstra maldekstra.png - NMaia

Helical screw 1 single start.png - Jahobr

Helical screw 2 double start.png - Jahobr

Helical screw 3 triple start.png - Jahobr

Helical screw 4 quadruple start.png - Jahobr

Helical screw single double triple quadruple quintuple start.png - Jahobr

Helical screw single double triple quadruple start.png - Jahobr

Helical screw 5 quintuple start.png - Jahobr

Bolt bearing surfaces.png - Sauer202

Screw (bolt) 01 edited.png - HobbyAstronaut