Fasteners

Identify the screw....

• Flat Screw Head
• Oval Screw Head
• Pan Screw Head
• Truss Screw Head

Identify the screw....

• Pan Screw Head

• Flat Screw Head

• Oval Screw Head

• Round Screw Head

Identify the screw.....

• Hex Head
• Hex Washer
• Truss Screw Head
• Pan Screw Head 

Identify the screw...

• Hex Head
• Socket Cap
• Hex Washer
• Button 

What is this?

• Flat Screw Head
• Button
• Socket Cap
• Round Screw Head

Washer

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A ____ is used to prevent a wheel or pulley from rotating on a shaft.

• key
• washer
• rivet
• nut

In the thread note 3/8-16UNC-2A, the number 16 represents the

• Thread Tolerance
• Threads Per Inch
• Major Diameter
• Class of Fit

When describing screw threads, the distance from a point on one thread to a corresponding point on the next thread is called the ____.

• root
• key
• pitch
• crest

Nuts and bolts use ____ to distribute clamping pressure over a larger area.

• rivets
• cotter pins
• keys
• washers