FASTENING

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Across
  1. 4. The typical shape of a bolt's body or a screw's shank.
  2. 5. The female component with internal threads that matches a bolt.
  3. 6. A flat ring used to distribute the load or prevent loosening.
  4. 10. The process of taking a structure apart (opposite of assembly).
  5. 13. The general process of joining two or more parts together.
  6. 14. A type of fastener that has a helical ridge (like screws or bolts).
  7. 15. A type of fastening that is not intended to be disassembled.
  8. 17. A fastener usually used in pair with a nut to connect parts.
Down
  1. 1. The main body of a screw, which can be cylindrical or conical.
  2. 2. A thin pointed fastener that is turned or forced into materials.
  3. 3. A type of screw head with a single groove for a screwdriver.
  4. 7. The action of striking a rivet to form a head on the plain end.
  5. 8. Materials that are different from each other.
  6. 9. When holes in two different parts are perfectly positioned one over the other.
  7. 11. A permanent fastener consisting of a short rod with a head, often hammered.
  8. 12. What a washer helps to prevent; when a screw becomes less tight.
  9. 16. The craft or industry of making things out of metal.