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Shoulder Bolts Manufacturers and Suppliers

IQS Directory provides a detailed list of shoulder bolt manufacturers and suppliers. Find shoulder bolt companies that can design, engineer, and manufacture shoulder bolts to your specifications. Peruse our website to review and discover top shoulder bolt manufacturers with roll over ads and complete product descriptions. Connect with the shoulder bolt companies through our hassle-free and efficient request for quote form. You are provided company profiles, website links, locations, phone numbers, product videos, and product information. Read reviews and stay informed with product new articles. Whether you are looking for manufacturers of metric shoulder bolts, shoulder bolt fasteners, and shoulder screw of every type, IQS is the premier source for you.

  • 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!

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  • Jefferson, OH 888-536-3674

    Searching for the perfect shoulder bolts? Search no more! Ken Forging has you covered with all of your shoulder bolt needs. We are committed to making the best products imaginable and run all of products through extensive testing and quality assurance. We have a paramount ability to design the best products across the industry. We devote extra attention to our customers. For more information, give us a call today!

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  • Houston, TX 713-230-2500

    Since 1938 TSP Manufacturing has been a leading manufacturer of fasteners and bolts. We are committed to creating the highest quality products and exceeding all expectations of our customers. Since 1997 TSP Manufacturing has been ISO 9002 certified. TSP has a wide variety of materials that are used for fasteners and bolts including but not limited to stainless steel, pH grades, bronze, and plastics. Contact us today to learn how we can help supply your company.

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  • Orange, CA 714-639-2040

    With over 20 years experience in distributing specialty fasteners to the aerospace, commercial, military, construction, electronic and marine industries, you can count on Integrity Fasteners for all your fastener needs. We supply screws, metric fasteners, industrial fasteners and more.

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  • San Diego, CA 619-231-5966

    We are a master distributor of virtually every type of bolt, screw, washer, and nut you can think of. We are your complete source, even doing custom manufacturing when unique specifications are required. This diversity provides our customers with a strategic advantage; certified quality, superior service, and fast delivery.

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businessIndustry Information

Shoulder Bolts

Shoulder bolts are straight mechanical fasteners with partially threaded shanks that are used in situations where pivoting or movement is necessary, though they may also be used to prevent motion where fully threaded bolts may loosen. Also known as shoulder screws or stripper bolts, these unique devices can be found in a variety of applications as both stationary and rotary fasteners.

The shoulder in shoulder bolts refers to the unthreaded portion of the shank located directly below the head. This portion of the bolt may be either round or square. Aerospace, automotive and mechanical industries use round shoulder bolts both in finished products and in manufacturing equipment where movement is required. Square shoulder bolts are used in this settings as well as applications such as woodworking as they resist rotation, providing a more secure clamp than fully threaded screws which may loosen due to vibrations. Beyond the shape differentiation, there are several different types of shoulder bolts. Locating screws, socket shoulder screws, stripper bolts, swing bolts and latch bolts are just a few examples. These bolts are all most commonly made of steel alloys with varying amounts of carbon, manganese, molybdenum, silicon, sulfur and phosphorous additives. These materials offer high tensile strength, corrosion resistance and specific surface qualities that may be enhanced with a number of treatments and finishes. Zinc plating and black oxide finishes are among the most common options.   

The manufacturing process used to create shoulder bolts is similar to that of other bolt types. A steel 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 shoulder bolt which may be square, hexagonal or slotted. Cold forging using high pressure rollers is then used to press in the thread pattern at the end of the shaft while leaving an unthreaded shoulder. The finished course-pitched shoulder bolt is then ready for use in a variety of applications. It is important to note that the length of this particular type of bolt is a measurement of the unthreaded shank or shoulder rather than the full length of the device. Along with length and material considerations, key size, weight, thread size, shoulder diameter, threaded diameter and head type and diameter should all be considered and selected according to the requirements of the intended use.

More Shoulder Bolts Information

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Shoulder Bolt Informational Video