As the name implies, a threaded rod is a metal rod that has threads running the entire length of it. These rods have a screw-like appearance, although they are often longer and thicker than a typical screw. Unlike screw-on bolts, threaded rods do not have heads or washers, and they frequently have the same diameter throughout their entire length. Read More…
Leading Manufacturers
H & R Screw Machine Products, Inc.
Upland, CA | 231-832-2356H & R Screw Machine Products-ISO 9001-certified manufacturer of high-volume screw machine products for many industries. We also produce CNC turned parts and provide machining of customer supplied castings, forgings and stampings.

Thuro Metal Products, Inc.
Brentwood, NY | 800-238-3929It is Thuro’s mission to be the leading choice for screw machine parts, and to offer our products at the highest quality and the lowest cost. Our team members dedicate themselves to ensuring that our customers receive the perfect part on time, every time.

Pacific West America, Inc.
Calabasas, CA | 866-317-0208Based out of California, Pacific West America, Inc. (PWA) is a metal fabrication company. We focus most of our efforts on swiss screw machining, stampings, and precision parts, and our electronics division makes products such as cable assemblies, connectors, circuit boards and membrane switches. We create our products using a variety of CNC controlled machines, processes and robotics. Such processes ensure that our products have all of the qualities our customers require, such as close tolerances, high durability, complex dimensions.

SEGEPO-FSM, Inc.
Cold Spring, KY | 859-781-1400Since 1905, Fischer Special Mfg. has focused on improving and expanding our core processes, which is screw machined nuts and connectors. We produce prototypes, as well as low to high volume production, with design support. CNC secondary machining and outside services of electroplating, surface treatment and heat treating are also available. We are ISO 9001:2008 certified.

Premier Machine Products, Inc.
Kirtland, OH | 833-729-4954Premier Machine Products, Inc. has been an established, family-owned screw machine products manufacturer since 1968. We offer a wide range of screw machine products with customization options to ensure our products meet our customers' needs. We are ISO 9001:2015 certified.

Swiss Automation, Inc.
Barrington, IL | 847-381-4405Swiss Automation, Inc. was founded over 45 years ago, its first products were simple screw machine parts made on cam operated screw machines. Parts we produce today feature cross hole drilling and tapping, slot milling, polygon milling, "C" axis milling, miniature hole drilling, pickoff with complex and extensive back working, milling of non-conventional forms, eccentric and off center work.

Usually, carbon-coated, zinc-coated, or stainless steel is used to make it. Bolts and other fasteners can be attached to the rod using the threading to accommodate a variety of building applications. Threaded rod is frequently used to make a link between two materials, such as concrete and another object or two objects made of metal or wood.

How Threaded Rods are Made
Round bar with the correct grade and diameter is used to create a threaded rod. A thread rolling machine will often be used to mass produce threaded rod of a standard diameter and grade. Round bar is passed through two hardened-steel rollers during this procedure to imprint the thread onto the bar.
The incredibly high pressures applied by these rollers, which are spaced apart precisely and rotate perpendicularly to the direction the round bar is being passed through them, transform the round bar into a threaded bar. The round bar is pushed through the rollers in this largely automated process in order to imprint the thread into the surface. After being sawed to size, the threaded bar's edges are beveled to create a smooth finished surface.
Unusual threaded rod patterns are often produced through cutting. The circular bar is driven through a machine that removes the surface thread as it is forced along after being cut to a length that is just a little bit longer than intended. The threaded bar is next beveled and lengthened. This method costs more because it takes longer to complete than thread rolling. Depending on the intended use, threaded rod is most frequently constructed of carbon steel, mild steel that has been zinc-plated, or stainless steel.

Applications of Threaded Rods
- When thinking about threaded rod, thread direction is another crucial parameter to take into account in addition to length, diameter, and material. Left-handed threads, albeit less common, tighten with counterclockwise rotation and are advantageous in situations where vibration would cause right-handed threads to become loosened. Right-handed threading is present on some rods, whereas left-handed threading is present on others. The threading peak of an acme has a square, flat surface; coarse and fine threads are also offered. Threaded rod has a wide range of applications across numerous areas.
- They are used to secure pieces together and make repairs in the manufacturing, automotive, and construction industries because they can be utilized with the majority of conventional fasteners and offer quick and easy disassembly or reassembly.
- Additionally, they are used for hobbies, plumbing, and electrical reasons. Threaded rods are used in a variety of applications due to their strength and ease of cutting and bending using standard equipment.
- The major application for threaded rods is when the required length or diameter exceeds that of the more typical bolts or screws. Threaded rods can be used whenever a large screw, bolt, or anchor bolt is utilized. It frequently serves this purpose in significant construction projects like bridges. Here, a threaded rod is employed since the length and diameter requirements are far greater than those for a standard bolt.
- By serving as a pin to connect the two materials, these fasteners can be utilized to bind metal or wood together.
- They can be used to stabilize everything from wooden furniture to concrete walls, and they are frequently placed into concrete or wood during repairs.
- When building homes or other sorts of constructions, builders and contractors may also employ threaded rods. When creating furniture or consumer goods, metalworkers frequently use these threaded studs.

Advantages of Using Threaded Rods
- In the marine industry, stainless steel rods can be utilized successfully without rusting or degrading. One of the primary advantages of stainless steel rods is their resistance to corrosion. Utilizing corrosion-resistant materials increases efficiency by preventing any potential harm from exposure to the elements.
- In terms of both tensile strength and corrosion resistance, threaded rods exhibit exceptional durability. Even under harsh situations, they are reusable and do not warp or bend. They can be fastened to any machine without concern for failure because of their dual strength and durability. This tensile strength makes them an excellent choice for a variety of applications. They are necessary tools in a variety of industries thanks to their resilience and adaptability.