page_title: Bolt
hierarchical_section_title: Bolt
caption_attribution_description: English: A fastening bolt with nut. Deutsch: Schraube mit Sechskantkopf und Mutter. Français&#160;: Boulon. Nederlands: Schroefbout en moer.
context_page_description: A bolt is a form of grooved fastener with an external helical male thread that engages the interior female thread of a nut. Bolts are closely related to, and often confused with, screws.
  A screw is different from a bolt, because it does not take a nut, and its helical thread is used to penetrate a softer material.
  This distinction is not always clear, and sometimes screws are regarded as bolts without a nut.
context_section_description: A bolt is a form of grooved fastener with an external helical male thread that engages the interior female thread of a nut. Bolts are closely related to, and often confused with, screws.
  A screw is different from a bolt, because it does not take a nut, and its helical thread is used to penetrate (cut into) a softer material (such as wood).
  This distinction is not always clear, and sometimes screws are regarded as bolts without a nut.
caption: Nut and bolt
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