Threaded Fastener Terminology and Components

Fasteners: Threaded Fastener Terminology and Components introduces learners to the basics of threaded fasteners as well as the common types of common threaded fasteners and any related components.


Learning Objectives

  • Recognize the basic parts of threaded fasteners.
  • Understand the basic systems for classifying threaded fasteners.
  • Identify the mechanical properties that are most relevant to threaded fasteners.
  • Differentiate between the unique traits of the most common types of bolts.
  • Differentiate between the unique traits of the most common types of screws.
  • Recognize the prominent nuts and washers and the basic ways in which each are applied.
Course Length: 3.5 HRS

Table of Contents

Threaded Fastener Basics

  • How Threaded Fasteners Work
    • Threads
    • Thread Mating
    • Bolt Tension
    • Tension Loading
  • Parts of Threaded Fasteners
    • Threaded Fastener Terms
    • Length of Threaded Fasteners
    • Parts of Threads
    • Method of Thread Creation: Cut Threads
    • Method of Thread Creation: Rolled Threads
  • Nominal Size
    • Unified Thread Standard (UTS) System: Threads Per Inch (TPI)
    • Unified Thread Standard (UTS) System: Thread Size (UTS)
    • Unified Thread Standard (UTS) System: Tolerance Class (UTS)
    • Metric System: Thread Pitch
    • Metric System: Thread Size (Metric)
    • Metric System: Tolerance Class (Metric)

Threaded Fastener Types

  • Bolts vs. Screws
  • Bolts Types
    • Anchor Bolt (Bent Rod)
    • Anchor Bolt (Hex)
    • Carriage Bolt
    • Elevator Bolt
    • Eye Bolt
    • Stud Bolt
  • Screw Types
    • Concrete Screw
    • Hex Head Cap Screw (HHCS)
    • Lag Screw
    • Machine Screw
    • Set Screw
    • Sheet Metal Screw
    • Socket Head Cap Screw
    • Tek Screw
    • Wood Screw

Threaded Fastener Components

  • Nuts Types
    • Acorn Nut
    • Cap Nut
    • Castle Nut
    • Coupling Nut
    • Flange Nut
    • Hex Nut
    • Heavy Hex Nut
    • Jam Nut
    • Keps Nut
    • Locking Nut (All-Metal)
    • Locking Nut (Nylon)
    • Slotted Nut
    • Square Nut
    • T-Nut
    • Thick Hex Nut
    • Wing Nut
  • Washers
    • Beveled Washer
    • Clipped Washer
    • Dock Washer
    • External Tooth Washer
    • Fender Washer
    • Finishing Washer
    • Flat Washer (USS)
    • Flat Washer (SAE)
    • Internal Tooth Washer
    • Locking Washer
    • Ogee Washer
    • Schnorr Washer
    • Sealing Washer
    • Square Washer

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