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No Rock and Roll Here: Kinedyne’s New Chock Keeps Steel Coils Secure

Steel coils can be some of the toughest freight to haul because their massive weight is concentrated in one small area on the trailer — not to mention their tendency to roll. While properly securing coils can be challenging, the alternative could be devastating.

Kinedyne’s new Coil Chock and Friction Mat combines a longer, adjustable chock, constructed from heavy-duty 1/4″ ASTM (American Society for Testing & Materials) A36 grade steel sheet, with a textured mat to more evenly distribute the weight of coils across the trailer and better stabilize the load in a more secure position during transport.

Coil chocks, also known as coil bunks, are often used in conjunction with 4-by-4 boards or other hardwood timbers to stabilize metal coils on flatbed trailers. The chocks are designed to be used with chains and binders to prevent the coil from rolling around or off the flatbed.

Coils can range in size from 5,000 pounds to more than 60,000 pounds. In Chapter 5, Section 3.3.1 of the Federal Motor Carrier Safety Administration’s (FMCSA) cargo securement regulations, it states that all metal coil shipments that, individually or together, weigh 5,000 lb. (2,268 kg) or more must be secured according to specific requirements to meet the standards.

“It is crucial to use a chock to keep the coil up off the deck of the trailer to maintain stability and prevent damage to the product and trailer deck. Using timbers alone without a chock isn’t always safe or effective.” says Bob Dissinger, Kinedyne director of U.S. sales. “When securing a coil with eyes cross wise or length wise, it must be secured in such a way as to keep the roll from rocking/rolling and being damaged. Once a coil starts moving — especially a 25,000-pound coil of steel — there is a very high probability of failure that could lead to damage and even death.”

Kinedyne’s Heavy-Duty Adjustable Coil Chock is 40 inches long and 4 inches wide. It includes three bracing positions to create a more secure position for multiple sizes of coils. The increased length and bracing sizes can be used in combination with lumber and chains to properly secure a coil for transport in accordance with FMCSA and CCMTA (The Canadian Council of Motor Transport Administrators) regulations.

Additionally, Kinedyne’s new Friction Mat features a rough surface, instead of a standard smooth one, to provide a better grip on coil chocks to keep them in place on the trailer. Kinedyne’s new mats are constructed of steel belting covered on both sides by recycled rubber. The steel-reinforced-interior mats are more durable and stronger than those made only of rubber. The mats are 48 inches long by 6 inches wide and ½ inch thick, which allows the entire chock to fit on the mat for more stability.

For more information, visit, call Customer Service at (800) 848-6057 in the United States or (800) 268-3530 in Canada and 011.5255.53184844 in Mexico.

About Kinedyne

Founded in 1968, Kinedyne LLC is a world-leading designer, manufacturer, and distributor of cargo control technologies, including cargo securement, capacity, and access solutions for the transportation industry. The Company maintains a substantial market share in a variety of industry sectors and is known for the development and engineering of high-quality equipment; it holds multiple patents for many of its innovative products. Kinedyne serves a broad range of users, which include OEMs, fleets and independent owner-operators, across a wide variety of markets, including heavy-duty trucking, government, military, agriculture, automotive, recreational vehicle, moving, and storage. Kinedyne’s world headquarters are located in Branchburg, New Jersey, and the Company has affiliates strategically located around the globe, including Kinedyne Canada Limited in Canada, Sistemas Kinedyne, S.A. de C.V., in Mexico and Nantong Kinedyne Limited in China. Read more about Kinedyne LLC at: In 2013, Kinedyne was acquired by The Heico Companies LLC, a parent holding company with revenue of over $2 billion and a diversified portfolio of more than 40 businesses involved in manufacturing, construction, and industrial services. Read more about The Heico Companies LLC at: In 2017, Kinedyne LLC was nationally certified as and continues to be a Women’s Business Enterprise by the Women Presidents’ Educational Organization – NY, regional certifying partner of the Women’s Business Enterprise National Council (WBENC). In 2020, Kinedyne Canada Limited was granted WBE certification by the Women’s Business Enterprise Canada Council (WBE Canada).

Kinedyne is a registered trademark of Kinedyne LLC and Kinedyne Canada Limited. The Cargo Control People! is a trademark of Kinedyne LLC.

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