GB9074.8 Cross Recessed Small Pan Head Screw,Single Coil Spring Lock Washer And Plain Washer Assemblies
The GB9074.8 Cross Recessed Small Pan Head Screw is a precision-engineered fastener designed for applications requiring a flush finish and high torque retention. The small pan head provides a compact and neat appearance, making it ideal for aesthetically sensitive areas. Combined with a single coil spring lock washer, it offers superior vibration resistance and anti-loosening properties. The plain washer serves as a spacer and distributes the clamping force evenly. This assembly is available in various materials and finishes to suit a wide range of applications, from electronics to automotive and beyond
product description
Head Style: The small pan head design offers a compact and sleek appearance, making it suitable for aesthetically sensitive environments where a smaller footprint is necessary.
Drive Type: The cross recessed drive (also known as a cruciform recess) provides a high torque retention and is resistant to cam-out, ensuring that the screw remains securely fastened even under heavy loads or vibrations.
Material Composition: Typically made from high-quality carbon steel, these screws are strong and durable, capable of withstanding significant stress and strain in various applications.
Thread Design: The threads are precision cut to ensure a consistent and reliable engagement with the mating components, providing a secure and stable connection.
Surface Finish: Zinc Plating, Black Oxide (Blackening), Nickel Plating, Chrome Plating, Passivation and so on.
Size Options: Available in a range of diameters and lengths to suit different assembly needs, ensuring that there is a GB9074.8 screw that can be tailored to the specific requirements of the project.
Quality Standards: Adheres to GB9074.8 standards, which specify the dimensions, tolerances, and manufacturing requirements to ensure consistency and reliability.
Multiple Material and Finish Options: Depending on the specific application, these screws can be made from different materials such as stainless steel for corrosive environments or plated with various finishes to enhance their durability and appearance.
Ease of Installation: The cross recessed design allows for easy installation with the appropriate tools, reducing the risk of damage to the screw head during the installation process.
Vibration Resistance: The design and materials used in the GB9074.8 screws provide excellent resistance to loosening due to vibrations, making them ideal for use in machinery and equipment where such conditions are common.
More Details
Product parameters
| Flat wash Size | 3 | 4 | 5 | 6 | 8 | 10 | |
| d | max | 2.83 | 3.78 | 4.75 | 5.71 | 7.64 | 9.59 |
| dc | max | 7 | 9 | 10 | 12 | 16 | 20 |
| h | Nominal Size | 0.5 | 0.8 | 1 | 1.6 | 2 | 2.5 |
| spring lock washer Size d | 3 | 4 | 5 | 6 | 8 | 10 | |
| d | min | 2.69 | 3.6 | 4.45 | 5.41 | 7.28 | 9.23 |
| h | Nominal Size | 0.8 | 1.1 | 1.3 | 1.6 | 2 | 2.5 |
| n | Nominal Size | 1.2 | 1.5 | 2 | 2.5 | 3 | 3.7 |
| H | min=nominal size | 1.6 | 2.2 | 2.6 | 3.2 | 4 | 5 |
| dc | Ref. | 5.23 | 6.78 | 8.75 | 10.71 | 13.64 | 16.59 |
| SCREW Thread Size d | M3 | M4 | M5 | M6 | M8 | M10 | |
| P | Coarse thread Pitch | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 |
| dk | plain head | 5.5 | 7 | 8.5 | 10 | 13 | 16 |
| knurled heads | 5.68 | 7.22 | 8.72 | 10.22 | 13.27 | 16.27 | |
| e | min | 2.87 | 3.44 | 4.58 | 5.72 | 6.86 | 9.15 |
| k | max | 3 | 4 | 5 | 6 | 8 | 10 |
| min | 2.86 | 3.82 | 4.82 | 5.7 | 7.64 | 9.64 | |
| s | Nominal Size | 2.5 | 3 | 4 | 5 | 6 | 8 |
| min | 2.52 | 3.02 | 4.02 | 5.02 | 6.02 | 8.025 | |
| max | 2.58 | 3.08 | 4.095 | 5.14 | 6.14 | 8.175 | |
| t | min | 1.3 | 2 | 2.5 | 3 | 4 | 5 |
| w | min | 1.15 | 1.4 | 1.9 | 2.3 | 3 | 4 |
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