Shoulder Screws

shoulder-screws

 

 

Fasteners & Fixtures is your premier source for top-quality nuts and an extensive range of fastening solutions. Founded in December 2021, we have quickly established ourselves as a leading name in the industry, specializing in the manufacture of corrosion-resistant fasteners. With our unwavering commitment to excellence, we take pride in delivering fasteners of the highest quality, ensuring that your projects are built on a foundation of reliability and strength.
Our dedication to diversity is reflected in our product catalog, which offers a wide array of nuts, including hot-forged and cold-formed varieties. We recognize that each project may have unique requirements, and we are equipped to provide a multitude of shapes and sizes to cater to your specific needs.
At Fasteners & Fixtures, we go beyond merely providing fasteners; we offer value-added services to ensure your fasteners meet exact specifications. Whether it's passivation, quality coating, or additional processing, we go the extra mile to guarantee your satisfaction.
Our nuts are engineered to withstand high pressure and challenging environments, offering the confidence that your fastening solutions will hold up under the most demanding conditions. Moreover, our products come backed with product warranties, providing you with additional peace of mind.
Fasteners & Fixtures has proudly earned various certifications, including ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, and a GMP Certificate. We have also showcased our expertise by participating in ChemExpo India 2022.
Our reach extends to a wide range of industries, including Oil & Gas, Aerospace & Defence, Pharmaceutical, Chemical, Petro-Chemical, and many more. With a product list that encompasses Hex Nuts, Heavy Hex Nuts, Dome Nuts, Coupling Nuts, and a variety of others, we cater to the diverse needs of industries such as Automotive & Railway, Food & Beverage, Marine & Offshore, Building & Construction, Waste & Water Treatment, and beyond.
When you choose Fasteners & Fixtures, you're partnering with a company dedicated to providing you with the finest nuts and fastening solutions. Explore our extensive product catalog and experience the excellence that has made us a trusted name in the industry. Your trust in us fuels our commitment to delivering top-tier quality and ensuring your projects are built on a foundation of strength and reliability.

What Are Nuts?

A nut is a type of fastener with a threaded hole. These seemingly small components play a crucial role in numerous applications across industries. Nuts are designed to be used in conjunction with bolts, screws, or studs to securely fasten multiple parts or components together. This partnership between nuts and their counterparts ensures the integrity and stability of various structures and assemblies.

The Purpose of Nuts

1. Securing Components: Nuts work hand in hand with bolts and other fasteners to hold parts firmly in place. The threading on nuts creates a strong connection, preventing disassembly due to vibrations, movement, or external forces.


2. Friction and Compression: The interaction between the threads of nuts and bolts generates friction, which adds an extra layer of security. Additionally, nuts can compress components together, ensuring a tight fit.


3. Load Distribution: Nuts help distribute loads evenly across the connected parts, preventing stress concentrations and potential damage.


4. Versatility: Nuts come in various shapes, sizes, and materials, making them adaptable to a wide range of applications. Whether you're working with steel, stainless steel, or other alloys, there's a nut designed to meet your specific needs.


5. Alignment and Positioning: Nuts aid in aligning and positioning components accurately. They act as a guide for bolts or screws, ensuring that parts come together precisely as intended. This alignment is critical in applications where tolerances are tight and precision is paramount.


6. Adjustability: Nuts provide a level of adjustability in assemblies. By simply turning the nut, you can tighten or loosen the connection as needed, making them ideal for applications where fine-tuning or disassembly may be required.


7. Resistance to Loosening: Nuts are designed with features to resist loosening. For example, some nuts have locking mechanisms such as nylon inserts or serrated flanges that grip the bolt threads, reducing the risk of unintentional loosening due to vibrations or external forces.


8. Electrical and Thermal Insulation: In some cases, nuts made from non-conductive materials like plastic or certain ceramics are used to electrically insulate components. Additionally, specific nuts can provide thermal insulation, helping to prevent heat transfer between parts.


Dimensions and Specifications of Shoulder Screws

 

Table 1: Metric Dimensions and Specifications

Specification

Description

Specifications

ASTM A 193 ASME SA 193

Standard

DIN, ASTM, BS, and all International Standards

Length

3 mm to 200 mm

Size

M3 – M56


Types of Nuts:

1. Hex Nuts: Hex nuts have six flat sides and are used with bolts and screws to create a secure connection. They are one of the most common types of nuts.


2. Heavy Hex Nuts: Similar to hex nuts but with thicker walls, heavy hex nuts provide increased strength and durability for heavy-duty applications.


3. Lock Nuts: Lock nuts are designed to resist loosening due to vibration or other external forces. They include various types like nylock nuts, flange nuts, and prevailing torque nuts.


4. Nylock Nuts: Nylock nuts have a nylon insert that provides a self-locking feature, preventing the nut from loosening under normal conditions. They are often used in applications where vibration is a concern.


5. Flange Nuts: Flange nuts have a wide, flat flange that acts as a washer. They are used to distribute loads and provide a larger bearing surface.


6. Rivet Nuts: Rivet nuts, also known as blind nuts or nutserts, are used for creating a threaded connection in materials like sheet metal, where it's not possible to access both sides.


7. Dome Nuts: Dome nuts, also called cap nuts or acorn nuts, have a domed or rounded top that covers the exposed end of a bolt or screw. They are often used for aesthetic purposes and to provide safety by covering sharp threads.


8. Cage Nuts: Cage nuts are designed to be inserted into square holes on racks and panels. They are commonly used in server racks and enclosures for secure mounting.


9. Weld Nuts: Weld nuts have projections or flanges that allow them to be welded directly onto a workpiece. They are commonly used in applications where bolting is not suitable.


10. Square Nuts: Square nuts have four flat sides and are used in applications where regular hex nuts may not fit or where a greater bearing surface is required.


11. Nylock Self-locking Nuts: These are a specific type of nylock nuts with a nylon insert that provides self-locking properties, preventing loosening due to vibration.


12. Wing Nuts: Wing nuts have two flat "wings" on opposite sides, making them easy to tighten and loosen by hand. They are often used in applications where frequent adjustments are required and tools are not readily available.


What are the applications and uses of Nuts?

1. Construction and Building: Nuts are widely used in construction for joining structural components such as beams, columns, and scaffolding. They secure everything from concrete forms to steel frameworks.


2. Automotive: In the automotive industry, nuts are essential for assembling various vehicle components, including engines, transmissions, suspension systems, and exhaust systems.


3. Manufacturing and Machinery: Nuts are crucial for assembling machinery and equipment in manufacturing plants. They hold together parts in conveyor systems, CNC machines, and industrial machinery.


4. Aerospace: The aerospace industry relies on nuts to fasten critical components like aircraft frames, engines, landing gear, and avionics systems.


5. Electronics: Nuts secure components on printed circuit boards (PCBs) and are used in the assembly of electronic devices and appliances.


6. Furniture: In the furniture industry, nuts are used to join parts like table legs, chair frames, and cabinet panels. They provide stability and durability to furniture pieces.


7. Plumbing and HVAC: Nuts are essential for connecting pipes, fittings, and valves in plumbing and HVAC systems. They create leak-proof seals and ensure proper flow control.


8. Railroad and Transportation: Nuts are used in the assembly and maintenance of trains, trams, and railway infrastructure, including tracks and signaling equipment.


9. Marine and Shipbuilding: In shipbuilding, nuts are employed to secure various components, such as bulkheads, hull plates, and engine components. They must withstand corrosive marine environments.


10. Renewable Energy: Nuts are utilized in wind turbines, solar panel mounts, and other renewable energy systems to hold together structural components and ensure stability in harsh environmental conditions.


Why choose us?

When you choose us, you're selecting a trusted partner committed to delivering excellence in the world of fasteners and fixtures. Our unwavering dedication to quality ensures that every product we provide meets the highest industry standards, giving you the peace of mind that your projects will stand the test of time. With an extensive range of fasteners and fixtures, including customizable solutions, we cater to the unique needs of your applications, no matter how complex.
Our seasoned experts bring years of experience across various industries, providing you with invaluable insights and guidance. We pride ourselves on our swift and reliable service, ensuring your orders are processed efficiently and delivered precisely when and where you need them. Plus, our competitive pricing allows you to achieve your project goals without compromising your budget. Choose us for a partner who combines quality, expertise, and a customer-centric approach to elevate your projects to new heights.
If you're ready to experience the quality and service that sets us apart, don't hesitate to get in touch with us today. Your satisfaction is our priority, and we're here to assist you with all your fasteners and fixtures needs. Contact us now to discuss your project requirements and how we can best serve you.