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Fasteners are used to fix different objects together.
For other types of fasteners not listed, go to http://www.mcmaster.com
Pictures and descriptions derived from McMaster-Carr.
*Not available in the machine shop
Screws and Bolts
|Flat-Head Socket Cap Screw||Designed for high-tensile strength applications and flush mounting operations. Common in Tools and Dies. Requires a countersink to be flush with the surface. See Drilling and Tapping for more information.|
|Button-Head Socket Cap Screw||Wide bearing surface. Offers a finished appearance. Designed for light fastening operations.|
|Socket-Head Cap Screw||High-strength tension applications. Designed for clamping assemblies. Reliable and Durable. Requires a counterbore to be flush with the surface. See How to Use Counterbores for more information.|
|Hex-Head Cap Screw||General Purpose Fastening.|
|Set Screw||Designed to hold objects in place, such as a pulley on an axle. Often used in conjunction with a key.|
|Thumb Screw||Adjustable by hand. Use in applications where hand tightening is adequate.|
|Machine Screw*||Available in different head styles. Use in lower strength applications.|
|Carriage Bolt*||Neck keeps bolt from turning when tightening a nut. Use in applications where the bolt cannot be easily accessed after assembly.|
|Threaded Rod*||Alternative to a bolt. Used to anchor elements to surfaces, mount wheels and pulleys, etc.|
|Rivets||Permanently hold two pieces of material together. Punch through a pre-drilled hole.|