**Broken Bolt Extraction Methods Part 1 (updated) by Robert Thayer



The instructor will demonstrate the need, theory, key terms and techniques of broken bolt extraction. At the end of the lesson, students will demonstrate the ability to name 6 broken bolt extraction methods.

Lesson Time

One class period of
57 Minutes
0 Minutes
0 Minutes

Industries / Subjects / Grades

Industries / Pathways
  • Transportation

Standards and Objectives


California's 2008 CTE Standards (5)
California Academic Content Standards (1)

Related Instructional Objectives (SWBAT...)

  • Students will understand and use appropriate tools and equipment, such as punches, easy-outs, and left hand drill bits, to extract broken bolts.
  • Students will use appropriate personal protective equipment, such as eye and ear protection, and appropriate safety practices, such as proper dress in a shop environment.
  • Students will apply appropriate problem-solving strategies and critical thinking skills to work-related issues and tasks, by choosing the correct extraction tool based on the specifics of various broken bolt scenarios.
  • Students will use critical thinking skills to make informed decisions and solve problems, such as how hard to push down when turning the extraction tool.
  • Students will understand and demonstrate the ability to plan and solve problems in a systematic manner and apply the learned skills to real-world situations, such which size extractor, drill bit and punch to use on a particular bolt.
  • Students will show up on time.
  • Students will follow instructions and procedures common to all detailed shop work and production processes in order to create a specific solution to a problem.

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