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Carriage Bolts

A reliable source for Carriage Bolts information and leading Carriage Bolts Companies & Manufacturers.

Though they are made for wood, they are usually made from various types of steel, which aids in strength and durability. Read More…

Carriage Bolts Carriage bolts are a type of threaded fastener that is specifically designed to be used with wood, though custom versions can be made to work with metal. Also called coach bolts or plow bolts, carriage bolts are quite common and can be found at most hardware stores in a number of lengths, diameters and thread pitches.
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Leading Manufacturers

Fairfield, NJ  |  800-272-3673

Our company has a reputation for superior products, customer service, and dependability. All our fastener products are built to last, and we know that our customers appreciate our dedication to using the best materials and manufacturing techniques. If you would like to learn more about us, contact us by phone or email, or stop by our website today!

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Ford Fasteners, Inc. $$$

Jefferson, OH  |  888-536-3674

Our company has manufacturing experiences dating back to 1970 and over the years we have grown into an international supplier of bolts.

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Ken Forging $$$

Winston-Salem, NC  |  800-642-0921

From our inventory of over 130,000 different fasteners, we know precisely which ones are right for your application. We test them for material composition and measurement accuracy. With our Vendor Management Inventory service (VMI) our Service Technicians monitor your needs and keep you fully supplied at all times. Our ISO 9001 and AS9120B certifications helps us maintain system standards that ensure the fasteners we supply are the highest quality parts available.

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Southern Fasteners & Supply, Inc. $$$

Birmingham, AL  |  800-695-3511

Birmingham Fastener Manufacturing manufactures custom and non standard fasteners and operates the highest volume distribution center of nuts and bolts and standard fasteners in the U.S. This diversity provides our customers with a strategic advantage; certified quality, superior service and fast delivery.

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Birmingham Fastener Manufacturing $$$

Macedonia, OH  |  330-468-3300

At SC Fastening Systems, it is our company's goal to be your number one source for your fastening needs. Our product line includes fasteners, bolts, sockets, threaded rod & studs, nuts, washers, screws, anchors, pins, and rivets.

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SC Fastening Systems, LLC. $$$

Clifton, NJ  |  866-463-2910

As a full line fastener source, we have industrial bolts. With 100 million fasteners to choose from — steel, stainless, brass, titanium and other exotics — the choice is endless. See our anchor bolts, eye bolts, carriage, machine, lag, flange, socket head, step, structural, swing, tamper proof and more.

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Fastener Solutions, Inc. $$$
placeholder image Ford Fasteners, Inc. Ken Forging Southern Fasteners & Supply, Inc. Birmingham Fastener Manufacturing SC Fastening Systems, LLC. Fastener Solutions, Inc.

A carriage bolt consists of a large round, domed head with an externally threaded bolt projecting from it. The head usually does not have slots for a screwdriver or other driving force, and is typically at least twice the diameter of the bolt shaft. Beneath the head is a square fitting that grips the wood as the bolt is placed and fastened. This fitting keeps the bolt from twisting or turning, and generally helps it maintain a snug fit.

Stainless Long Shank Eyebolt Stainless Long Shank Eyebolt - Ken Forging

This is the basic carriage bolt design, but there is some variation. For example, one variation replaces the square fitting with ribbing that holds the bolt in place, for use with other metal components. Carriage bolts vary in length and diameter according to their intended uses, regardless of the type of materials that are being fastened by the bolts.

Carriage bolts are often used in building and home improvement projects. They frequently secure pieces of timber together during the construction of outdoor decks, homes and pilings. They are also commonly used in machinery assembly, patio and ready-to-assemble furniture, chain link fences and even automobiles. Because the square fitting prevents the bolt from turning, carriage bolts are also a good choice for situations where the bolt head is not easily accessible.

When selecting carriage bolts for an application, it is important to choose ones that are the right width and length. Consider that a bolt that is too narrow may lead to the fastener failing under strain, causing breakage, while a bolt that is too large may cause stress to the surrounding wood or metal, causing cracks. It is also important to consider length, as the carriage bolt must be long enough to go through the material it is fastening, but not so long that the protruding end becomes a nuisance.

Carriage Bolt Informational Video

 
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