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Welcome to GIC Fasteners! We're your one-stop shop for top-notch shoulder bolts designed to meet a variety of industry standards. From DIN and ASTM to ISO, BS standards, and their international equivalents, we ensure that our shoulder bolts are crafted to the highest specifications. Our team takes pride in delivering excellence, guaranteeing that each bolt we produce offers outstanding performance and reliability. Whether you're in the industrial, automotive, or construction sector, count on GIC Fasteners to provide the perfect shoulder bolts for your needs. Let us tailor a solution just for you, backed by our commitment to quality and precision engineering.
Are you on the hunt for top-quality shoulder bolts tailored to your specific needs? Look no further than GIC Fasteners. Our shoulder bolts are crafted with precision to ensure they deliver exceptional performance and reliability across a variety of applications. Whether you’re in the industrial, automotive, or construction field, you can trust that our bolts meet stringent quality standards, guaranteeing optimal functionality and durability.
At GIC Fasteners, we understand that one size doesn’t fit all. That’s why we offer customizable options to perfectly match your requirements. Ready to find the perfect shoulder bolts for your project? Don’t hesitate to reach out to our team at sales@gicfasteners.com today. Let’s discuss your needs and discover the ideal fastening solution for you.
| Standard | : | DIN, ASTM, BS, ISO, JIS, IS, GB, IS 4190 and all other International Standards |
| Length | : | 3 mm to 200 mm |
| Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Threads: | : | BSF, UNF METRIC, UNC, BSW or as required |
| Finish | : | Plain, black, zinc plated (Cr,3+), zinc plated(Cr,6+), hot dipped galvanized, dacromet, nickel plated, cadmium plated, etc. |
| Forming | : | Hot & Cold Forged |
| Variants | : | Fully Threaded Shoulder Bolts, Partial Threaded Shoulder Bolts, Metric Shoulder Bolts, Imperial Shoulder Bolts |
| Coatings | : | PTFE (Teflon), Hot Dip Galvanizing, Aluminum Zinc Flake, Zinc Phosphating, Manganese Phosphating, Metallic Zinc, Nickel Bolts Plating, Chrome Plating, Cadmium Plating, Silver Plating, Tin Plating |
| Nominal Size (Shoulder Dia.) |
Head Dia. |
Head Height |
Hex Soc. Size |
Thread | ||
|---|---|---|---|---|---|---|
| Fraction | Decimal | Max | Max | Size | Length | |
| 1/4 | 0.250 | 3/8 | 3/16 | 1/8 | 10-24 | 3/8 |
| 5/16 | 0.312 | 7/16 | 7/32 | 5/32 | 1/4-20 | 7/16 |
| 3/8 | 0.375 | 9/16 | 1/4 | 3/16 | 5/16-18 | 1/2 |
| 1/2 | 0.500 | 3/4 | 5/16 | 1/4 | 3/8-16 | 5/8 |
| 5/8 | 0.625 | 7/8 | 3/8 | 5/16 | 1/2-13 | 3/4 |
| 3/4 | 0.750 | 1 | 1/2 | 3/8 | 5/8-11 | 7/8 |
| Socket Shoulder Bolts Dimensions ASME B18.3-2003 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nominal Size |
Shoulder Diameter (D) | Head Diameter (A) | Head Height (H) | Chamfer or Radius (C) | Hex Socket Size (J) | Key Engage-ment (T) | Fillet Transition Diameter (M) | Head Fillet Radius (R) | Shoulder Neck Diameter (K) | Shoulder Neck Width (F) | |||
| Max | Min | Max | Min | Max | Min | Max | Nom | Min | Max | Min | Min | Max | |
| 1/4 | 0.2480 | 0.2460 | 0.375 | 0.357 | 0.188 | 0.177 | 0.020 | 1/8 | 0.094 | 0.276 | 0.009 | 0.227 | 0.093 |
| 5/16 | 0.3105 | 0.3085 | 0.438 | 0.419 | 0.219 | 0.209 | 0.026 | 5/32 | 0.117 | 0.345 | 0.012 | 0.289 | 0.093 |
| 3/8 | 0.3730 | 0.3710 | 0.562 | 0.543 | 0.250 | 0.240 | 0.031 | 3/16 | 0.141 | 0.413 | 0.015 | 0.352 | 0.093 |
| 1/2 | 0.4980 | 0.4960 | 0.750 | 0.729 | 0.312 | 0.302 | 0.040 | 1/4 | 0.188 | 0.550 | 0.020 | 0.477 | 0.093 |
| 5/8 | 0.6230 | 0.6210 | 0.875 | 0.853 | 0.375 | 0.365 | 0.050 | 5/16 | 0.234 | 0.687 | 0.024 | 0.602 | 0.093 |
| 3/4 | 0.7480 | 0.7460 | 1.000 | 0.977 | 0.500 | 0.490 | 0.069 | 3/8 | 0.281 | 0.826 | 0.030 | 0.727 | 0.093 |
| Socket Shoulder Bolts Dimensions - Continued ASME B18.3-2003 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nominal Size |
Nominal Thread Size (D1) | Threads per Inch | Thread Neck Diameter (G) | Thread Neck Width (I) |
Thread Neck Fillet (N) | Thread Length (E) | Thread Section Tensile Strength (lbs.) | Single Shear Strength (lbs) | Seating Torque (in./lb.) |
|||
| Shoulder | Thread Neck | |||||||||||
| Max | Min | Max | Min | Basic | Min | Max | Min | |||||
| 1/4 | 10 | 24 | 0.142 | 0.133 | 0.083 | 0.023 | 0.017 | 0.375 | 2,540 | 4,515 | 1,250 | 50 |
| 5/16 | 1/4 | 20 | 0.193 | 0.182 | 0.100 | 0.028 | 0.022 | 0.438 | 4,610 | 7,100 | 2,340 | 125 |
| 3/8 | 5/16 | 18 | 0.249 | 0.237 | 0.111 | 0.031 | 0.025 | 0.500 | 7,600 | 10,280 | 3,970 | 265 |
| 1/2 | 3/8 | 16 | 0.304 | 0.291 | 0.125 | 0.035 | 0.029 | 0.625 | 11,240 | 18,350 | 5,985 | 470 |
| 5/8 | 1/2 | 13 | 0.414 | 0.397 | 0.154 | 0.042 | 0.036 | 0.750 | 20,570 | 28,785 | 11,140 | 1,150 |
| 3/4 | 5/8 | 11 | 0.521 | 0.502 | 0.182 | 0.051 | 0.045 | 0.875 | 32,770 | 41,515 | 17,800 | 2,000 |
Shoulder bolts, known for their versatility and precision, play a crucial role in a wide range of applications across various industries. Here are some common uses of shoulder bolts:
1. Machinery and Equipment: Shoulder bolts are extensively utilized in machinery and equipment, offering precise and stable connections between moving parts, gears, and levers.
2. Automotive Assembly: In the automotive industry, shoulder bolts are vital for securing components like suspension systems, engine parts, and steering linkages, ensuring reliable vehicle performance.
3. Electronics and Electrical Devices: Shoulder bolts provide secure mounting for circuit boards, switches, and electronic components, maintaining the integrity of electronic systems.
4. Furniture Manufacturing: In the furniture industry, these bolts are used to join parts like hinges, handles, and brackets, contributing to the stability and durability of furniture pieces.
5. Aerospace Engineering: Shoulder bolts are crucial in aerospace applications, where precision and reliability are paramount, ensuring the secure fastening of critical components in aircraft and spacecraft.
6. Medical Equipment: The medical sector relies on shoulder bolts to assemble and secure medical devices, ensuring the precision and safety of healthcare equipment.
7. Construction and Building: Shoulder bolts are used in construction to fasten structural elements and architectural components, maintaining the stability and integrity of buildings and infrastructure.
8. Sports and Recreation: In sporting equipment and recreational products, shoulder bolts are utilized to assemble items such as bicycles, exercise machines, and outdoor gear.
9. Marine and Boating: These bolts, often made from corrosion-resistant materials, are ideal for marine applications, securing boat components and accessories in saltwater environments.
With their adaptability and precision, shoulder bolts are indispensable in countless industries, providing secure and dependable connections for a wide range of products and equipment.
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Shoulder bolts, also known as shoulder screws, feature a distinct shoulder section between the head and the threaded portion. This shoulder serves as a precise and stable bearing surface, distinguishing them from standard bolts.
Shoulder bolts come in various materials, including steel, stainless steel, brass, and aluminum. The choice depends on factors like load requirements, environmental conditions, and corrosion resistance.
Shoulder bolts have different head styles, such as socket head, slotted head, and hex head. The choice of head style depends on the specific requirements of your application and the tools available for installation.
Yes, many manufacturers, including GIC Fasteners, offer custom shoulder lengths to meet your project's precise specifications. Contact us to discuss your unique requirements.
Precision machining ensures accurate dimensions and smooth threading, enhancing the reliability and performance of shoulder bolts in critical applications.
Selecting the right shoulder bolt size and thread type involves considering factors like load capacity, fitment, and compatibility with nuts or tapped holes. Consulting with experts can help make an informed choice.
Shoulder bolts can be reusable if they are in good condition and have not undergone excessive stress during previous use. However, a thorough inspection is essential before reusing them.
Yes, manufacturers offer shoulder bolts made from corrosion-resistant materials like stainless steel, making them suitable for applications exposed to moisture and saltwater.
Shoulder bolts are available in materials that can withstand high temperatures, but it's crucial to select the appropriate material and finish for the specific temperature range of your application.
