March 22, 2022

Identifying Fasteners

Aircraft fasteners come in many styles and sizes. Standard identification codes are used to identify the fasteners used in the aviation industry. By the end of this course, you will be able to • Recognize the identification standards used in fastener codes • Recognize the codes that identify fasteners • Understand the more common materials that fasteners are made of • Identify the information in the National Aerospace Standard Code cross symbol
March 22, 2022

Fasteners and Fits

Fasteners and their mating parts are meant to join together in a particular way called a fit. How they fit together is very important to the structural stability of an aircraft. By the end of this course, you will be able to • Define the term fit in relation to fasteners and parts of an assembly • List the different types of fits • Understand the relationships between fasteners and their mating parts • Understand how fastener fits are selected
March 22, 2022

Securing and Lockwiring Fasteners

Torsion, tension, and the vibrations that occur during normal flight may cause some types of fasteners used in airplane assembly to loosen. These fasteners must be secured so that they remain in place. By the end of this course, you will be able to • Understand why bolts are secured • Describe the ways bolts are secured • Recognize a pair of lockwire pliers • Recognize castellated nuts and cotter pins • Understand how to use a cotter pin with a castellated nut
March 22, 2022

Torque Tools

Torque is the force that rotates an object around an axis. Torque tools, commonly called torque wrenches, apply this force to nuts and bolts used in airplane assembly. By the end of this course, you will be able to • Define torque • Identify the different types of torque tools • Understand how torque is measured • Convert between the different units used to measure torque
March 22, 2022

Temporary Fasteners

Temporary fasteners are used to hold materials together until permanent fasteners are installed. Temporary fasteners ensure that all of your drilled holes and fasteners will meet the engineering specifications. By the end of this course, you will be able to • Identify different types of temporary fasteners • Determine how temporary fastener sizes are identified • Understand why temporary fasteners are used • Explain how to install Cleco clamps • Explain how to install the different kinds of Cleco fasteners
March 22, 2022

Rivets

Rivets are permanent mechanical fasteners used in airplane construction to hold two or more pieces of material together. Understanding how rivets work will enable you to install them properly. By the end of this course, you will be able to • Name two types of rivets used in aviation • List the parts of a solid shank rivet • Describe how solid shank rivets work • Describe common solid shank rivet defects • Describe how fluid-tight rivets are installed • Explain how a rivet shaver is used
March 22, 2022

Bolts, Screws, and Washers

Bolts, screws, and washers are used to fasten two or more components together. Understanding how these fasteners work will enable you to install them properly. By the end of this course, you will be able to • Name the types of bolts used in aviation • List the parts of a bolt • Describe how these bolts work • Explain how bolts are identified • List the parts of a screw • Describe different types of washers and their uses
March 22, 2022

Threaded Inserts

A threaded insert is a device used to replace damaged internal threads or to provide greater holding strength for a thread in weak materials. By the end of this course, you will be able to • List the two threaded insert designs • List different locking mechanisms on threaded inserts • Understand the process of installing a threaded insert
March 22, 2022

Hi-Loks

Hi-Loks are permanent threaded fasteners that combine the best features of a rivet and a bolt. Their high strength-to-weight ratio makes Hi-Lok fasteners an excellent choice for many areas of the aircraft structure. By the end of this course, you will be able to • Explain the benefits of a Hi-Lok fastener • Identify and explain the major components of a Hi-Lok • Explain the process of selecting the proper Hi-Lok • Install a Hi-Lok fastener