Threaded Fastener Specifications

Fasteners: Threaded Fastener Specifications introduces learners to the various ways to identify a fastener by interpreting the markings on both the fastener and nut. In addition, different organizations have different specification requirements, which will be examined more closely in this course.


Learning Objectives

  • Interpret the head markings and specifications assigned to threaded fasteners and nuts.
  • Recognize the various specifications required by SAE, ASTM, and ISO.
  • Identify the difference between UTS and Metric Fasteners.
  • Recall the variety of styles and grades used to specify a nut.
Course Length: 1 HRS

Table of Contents

Fastener Specifications and Identification

  • Fastener Specifications and Head Markings
  • SAE Specifications
  • ASTM Specifications
  • ISO Specifications
  • Socket Head Products
  • Threaded Fastener Identification
    • UTS Fastener Identification
    • Metric Fastener Identification

Nut Specifications and Markings

  • Grade 2
  • Grade 5
  • Grade 8
  • Style C
  • ISO Metric Nut Markings

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