Preparation should include selection of types of

• threads and fasteners, based upon construction materials and situation
• thread and fastener callouts (metric and Unified Thread System [UTS] units)
• drawings (detailed, schematic, and simplified).

Note: ANSI Standard Y14.6

Process/Skill Questions:

• What are the benefits of being able to identify various thread types?
• When is it necessary to provide drawings of threads and fasteners?
• What are the differences between metric and UTS threads?