Shoulder Bolts: The Precision Fasteners for Movement and Alignment – Your Trusted Partner in India
In the world of precision engineering and mechanical assemblies, a simple yet critical component often dictates the performance and longevity of moving parts: the Shoulder Bolts. Also commonly known as Stripper Bolts or Shoulder Screws, these specialized fasteners are the unsung heroes providing alignment, bearing, and pivot points across a vast array of industrial applications.
At India Fasteners, we understand the crucial role of dimensional accuracy and material strength in high-performance applications. As a leading supplier in India, we provide an extensive range of premium-quality shoulder bolts designed to meet the rigorous standards of modern industry.
What Makes a Shoulder Bolt Unique?
Unlike standard bolts, which are primarily designed to hold components rigidly together, the shoulder bolt features a unique three-part architecture:
- The Head: Typically a Socket Head (Hex Socket) for secure tightening, but also available in Hex Head or Flat Head variations.
- The Shoulder (Shank): This is the distinctive unthreaded, smooth, cylindrical section with a precision diameter. It is larger in diameter than the threaded portion and is the key element that enables movement, pivoting, or sliding of mating components around it.
- The Threaded End: A shorter section used for fastening the bolt into a tapped hole or with a nut.
This design allows the smooth, unthreaded shoulder to act as a precision shaft, a pivot point, or a guide, ensuring a low-friction surface for rotating or sliding parts.
Essential Applications: Where Precision Matters
The unique design of shoulder bolts makes them indispensable in systems requiring controlled movement and precise alignment. They are critical components in:
- Tooling & Die Manufacturing: Used as guide posts for sliding plates, ejector mechanisms in injection molds, and support pins in clamping fixtures.
- Mechanical and Industrial Machinery: Essential as pivots for levers, shafts for pulleys and gears, and in linkages and cam followers.
- Automation and Robotics: Providing the necessary pivot and sliding action in robotic arms, conveyor systems, and positioning clamps.
- Automotive and Aerospace: Employed in various linkages, high-precision assembly fixtures, and rotating joints where failure is not an option.
- Electronics and Appliances: Used in hinged panels, printer head rails, and other mechanisms requiring controlled motion.
India Fastners: Your Trusted Source for Quality Shoulder Bolts
Choosing the right shoulder bolt is vital for the stability and functionality of your assembly. At India Fasteners, we ensure every product meets global quality benchmarks and industry-specific requirements.
Key Specifications & Materials We Offer:
| Feature | Details | Key Benefit |
| Material Grades | Stainless Steel (SS 304, SS 316), High Tensile Alloy Steel (Grade 10.9, 12.9), Carbon Steel, Brass. | Superior corrosion resistance (SS 316 for marine/chemical), high strength for heavy-duty applications. |
| Standards | Manufactured to international standards like ISO 7379, DIN, ASME, and Indian (IS) specifications. | Guaranteed dimensional consistency and compatibility with global equipment. |
| Types | Socket Head Shoulder Screws, Hex Head, Fully and Partially Threaded options, Lifting Shoulder Eye Bolts. | Versatility for different installation methods and load requirements. |
| Diemensions | Available in a comprehensive range of Metric Shoulder Bolts (e.g., M3 to M100) and Imperial Sizes. | Customization options to precisely match your engineering designs. |
| Finishes | Plain, Black Oxide, Zinc Plated, Hot Dip Galvanized (HDG), Passivated (for Stainless Steel). | Enhanced corrosion protection and durability for challenging environments. |
Why Partner with India Fasteners for Shoulder Bolts?
- Precision Engineering: Our shoulder bolts are manufactured with tight tolerances, ensuring the precise shoulder diameter and finish required for smooth, low-friction operation.
- Unmatched Quality: We source high-grade raw materials and follow stringent quality control processes to guarantee strength and reliability across all our Fasteners in India.
- Extensive Inventory: We maintain a ready stock of standard Metric and Imperial sizes to ensure fast delivery, minimizing your project downtime.
- Custom Solutions: Need a non-standard length, material, or coating? Our team specializes in providing custom-manufactured shoulder bolts tailored to your unique specifications.
Ready to Optimize Your Assemblies?
Don’t compromise on the performance of your moving parts. For high-precision alignment and controlled rotation, choose the reliable quality of Shoulder Bolts from India Fasteners.
Contact us today to discuss your specific requirements or request a quote for our range of Stripper Bolts and specialized industrial fasteners.