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Lag Bolts Manufacturers and Suppliers

IQS Directory is a top industrial directory listing of leading industrial lag bolt manufacturers and suppliers. Access our comprehensive index to review and source lag bolt manufacturers with preview ads and detailed product descriptions. These lag bolt companies can design, engineer and manufacture lag bolts to your specifications and application need. A quick and easy to use request for quote form is provided for you to contact these lag bolt manufacturers and suppliers. Each company has detailed profile information, locations, phone number, website links, product videos and product information defined. Read customer reviews and product specific news articles. We are the right resource for your information requirement whether its for a manufacturer of lag bolt fasteners, lag bolt threads, large lag bolts.

  • Hackensack, 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!

  • Jefferson, OH 888-536-3674

    Our expertise in making forged bolts means that we make the industry standard when it comes to lag bolts. We work to make specialized and unrivaled products across the board. Some of the various products we cover are lag bolts, anchor bolts, eyebolts, nut eyebolts, and many more. We work to benefit our clients and serve at your convenience. We also make forgings and fasteners. For more information on our lag bolts, call us today!

  • Livonia, MI 800-521-2207

    Wayne Bolt & Nut Co. delivers high-quality industrial, carriage, metric, stainless steel, titanium and other types of bolts to a wide range of industries and markets. We have over 50,000 sizes and styles of standard and special fasteners for you to choose from. Our quality products are approved by the major automotive manufacturers and when we’re audited we receive good to excellent ratings.

  • Indianapolis, IN 317-472-9000

    At Accurate Manufactured Products Group, our company’s focus is designing and manufacturing fasteners, production aids, and other measuring tool accessories that suit your needs. The stock items from our large inventory are shipped within 24 hours. Our team is made up of experts in custom manufacturing items quickly, at very competitive prices, with guaranteed customer satisfaction

  • 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. For more information about our capabilities, contact us today!

  • Lawrenceville, GA 800-928-7439

    Not only is O.E.M. Fastening Systems a full line fastener distributor but also a custom fastener manufacturer to your specs. We offer hex bolts, stainless steel fasteners and screws. We stock virtually every type of standard and semi-standard fastener to meet your fabrication, assembly & maintenance needs. Sentry can even manufacture custom fasteners to your print specifications. Contact us today!

  • Yorktown, VA 757-988-8099

    Affordable Fastener Supply Company offers some of the most specialized and superior bolts in the industry. With our wide variety, your selection is limitless. We carry a plethora of different bolts for any situation thrown your way. Our signature bolts are guaranteed to get the job done. We work to give you bolts an efficient and unique manner. For more information and pricing, visit our website!

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businessIndustry Information

Lag Bolts

A lag bolt is a mechanical fastener with a threaded body that is driven through two adjacent surfaces for the purpose of adjoining them securely. Also known as a lag screw, this piece of hardware is most often used to link wooden elements with other wooden parts or concrete foundations. Lag bolts are generally large, heavy duty and often industrial bolts, though smaller variations are available for use in furniture and cabinetry industries.

Popular in construction, masonry, locomotive, mining and civil engineering industries lag bolts are used as fasteners at integral joints of such structures as bridges, railway trestles, decking and even barn construction. Wooden components such as posts and beams are commonly connected with these devices as they offer an extremely secure connection without causing significant damage to the woodwork. To ensure a continually high degree of clamping force when tightened, lag bolts are made of strong materials that are not likely to stretch, expand or crack over time. The specific material depends on the intended use and environmental pressures to be inflicted upon the bolt. Zinc-plated steel and hot dipped galvanized steel are popular choices as they are low cost and still offer some resistance to rust. Stainless steel and silicone bronze, however, offer heightened protection against the elements as they are highly resistant to corrosion from moisture and chemicals that may be present in some industrial settings. 

The manufacturing process used to create lag bolts is similar to that of other bolt types. A steel or bronze wire rod is first heated consistently for an extended period of time and all rust particles are removed. If needed, the metal is coated for added protection. Cold forging is then used to shape the rod at room temperature and the rod is forced through dyes at a high pressure to be shaped into long perfectly round rods. Once cut down to the desired length, a second dye shapes the head of the lag bolt which may be either square or hexagonal. Cold forging using high pressure rollers is then used to press in the thread pattern. The finished course-pitched lag bolt is then ready for use in a variety of applications. A pilot hole is made in the first piece of wood or other material and the bolt is inserted. A wrench, spanner or pliers are then used to drive the screw into the second bit of material. The threading bites into the wood to hold the two components together. During installation, caution must be used so as not to damage the head of the screw. The head provides compression while preventing the bolt from being driven completely through both materials. In some instances a washer is also used to protect softer lumbar, ensuring that the head will not sink into the wood. It is important to consider the materials to be fastened as well as the strength and corrosion resistance required of the bolt materials. Other considerations include the bolt length and diameter.

More Lag Bolts Information

Lag Bolts
Lag Bolts - Ford Fasteners, Inc.