| Dia. | a | b | c | d |
| M6 | 14.0 | 13.9 | 0.5 | 7.2 |
| M8 | 16.0 | 15.8 | 0.5 | 7.6 |
| M10 | 19.0 | 18. | 1.0 | 8.8 |
| M12 | 22.0 | 21.9 | 1.0 | 9.9 |
| M14 | N/A
| N/A
| N/A
| N/A
|
| M16 | 24.0 | 23.8 | 1.0 | 11.5 |
| M20 | 32.0 | 31.8 | 2.8 | 19.0 |
| M24 | 36.0 | 38.0 | 2.6 | 16.0 |
| Proof Load | Size Range | Equivalent Standards |
| Property Class | Diameter | Length |
| PSI | N/mm2 | Grade | Metric | Inch | Metric | Inch | IS | ISO | DIN | BS | ANSI | JIS |
| 74000 to 174000 | 510 to 1200 | 4 to 12 | M6 to M20 | 0.6 “ to 0.8 " | - | - | - | - | - | - | - | - |
Introduction to Shear Nuts
Shear nuts are engineered to provide a high level of security in fastening applications. Upon installation, the hexagonal head of the shear nut is tightened using standard tools. Once the specified torque threshold is exceeded, the head shears off, leaving a smooth, tamper-resistant cone. This design ensures that the nut cannot be easily removed or tampered with, making it ideal for use in public areas, security fencing, and automotive industries.
The primary advantage of shear nuts lies in their ability to prevent unauthorized removal. This is particularly beneficial in applications where equipment security is paramount. For instance, in public infrastructure, shear nuts are used to secure signs and fixtures, ensuring they remain in place and are not subject to theft or vandalism.
In the automotive industry, shear nuts are employed to secure components that are critical for safety and performance. Their use ensures that parts remain securely fastened, even under the vibrations and stresses encountered during vehicle operation. This contributes to the overall reliability and safety of the vehicle.
Shear nuts are available in various materials, including stainless steel, carbon steel, and alloy steel, allowing for selection based on specific environmental conditions and strength requirements. Their versatility makes them suitable for a wide range of applications, from electronics to plumbing.
The installation process for shear nuts is straightforward. They are installed using standard tools, and once the specified torque is reached, the head shears off, leaving a tamper-resistant cone. This simplicity in installation, combined with their high-security features, makes shear nuts a preferred choice for many industries.
In summary, shear nuts offer a reliable and secure fastening solution for applications where tamper resistance and permanence are essential. Their unique design and functionality make them an invaluable component in various industries, ensuring that installations remain secure and intact over time.