Fasteners Page

Carriage Bolts have a round head with a square neck underneath that sinks into the wood as it's tightened in order to prevent spinning.

Dowel Screws are threaded on both ends to connect tow pieces of wood together.

Elevator bolts are similar to carriage bolts, but have a flat head. They are normally used as leveling feet in scales or appliances.

Like Dowel Screws, Hanger Bolts are threaded on both sides, but instead have a wood screw on one side and a machine screw on the other. They are commonly used in furniture.

Heavy hex bolts are generally specified for high temperature or high pressure applications, particularly where bolt heads will bear against flanges.

Hex Bolts are the same as Hex Cap Screws, except they are usually less expensive and more for general purpose applications where Cap Screws aren't specifically specified.

Fully threaded version of the Hex Cap Screw. Hex Tap Bolts have a trimmed hex head with no flange.

Hex Cap Screws are actually bolts with strict size tolerances.1/4" diameter or larger that are used with nuts and washers.

The difference between a Machine Bolt and Machine Screw is the head. A machine bolt has a hexagonal head made for a wrench. All Machine Bolts less than 1–1/2” in length are fully threaded.

Hex Lag Screws are commonly seen on telephone poles or other applications where hardware is attached to a wood structure.

Step Bolts are similar to carriage bolts but with a lower and wider head for use in fastening down steps or other decking applications.