ISO DIN EN 7380 A2 A4 SS304 SS316 Stainless Steel Round Head Pan Head Button Socket Cap Head Machine Screw
Characteristics
- Unique Button Head Design: Hexagon Socket Button Head Screws feature a low-profile cylindrical head with a hexagon socket, allowing for installation and removal using a hex key or Allen wrench.
- Aesthetic Appearance: The smooth head design ensures a clean and visually appealing overall look.
- High Strength: These screws are typically made from high-strength materials such as carbon steel or stainless steel, ensuring they can withstand significant loads.
- Wide Compatibility: Their standardized design and manufacturing allow for compatibility with various hex keys and Allen wrenches, increasing their versatility.
Advantages
- Easy Installation: Using a hex key or Allen wrench makes installation and removal quick and efficient, improving work productivity.
- Non-Slip: Compared to Phillips or flathead screws, hexagon socket screws are less likely to slip or get damaged due to external forces.
- Durable and Aesthetic: The smooth head design resists scratching or damage while maintaining an attractive appearance.
- High Load Capacity: Made from high-strength materials, these screws have a high load-bearing capacity, suitable for heavy-duty and vibrating environments.
Application Scenarios
- Precision Equipment: Due to their high precision and stability, Hexagon Socket Button Head Screws are commonly used for assembling and fixing precision equipment, instruments, and meters.
- Electronic Products: In electronic products, these screws are often used to secure circuit boards, casings, and other components, ensuring the stability and reliability of the device.
- Automotive and Aerospace: In the automotive and aerospace industries, Hexagon Socket Button Head Screws are widely applied for fixing and connecting critical components such as engines, transmissions, and aircraft fuselages.
- Furniture and Household Items: For furniture and household assembly, these screws are favored due to their aesthetic appeal and durability.

Thread Size d | |
P | Pitch | a | max | min | dk | max | min | e ① | min | k | max | min | s ① | Nominal Size | max | min | t | min | Minimum tensile load(N) ② | 8.8 | 10.9 | 12.9 | | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 1 | 1.4 | 1.6 | 2 | 2.5 | 3 | 3.5 | 4 | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 5.7 | 7.60 | 9.50 | 10.50 | 14.00 | 17.50 | 21.00 | 28.00 | 5.4 | 7.24 | 9.14 | 10.07 | 13.57 | 17.07 | 20.48 | 27.48 | 2.303 | 2.873 | 3.443 | 4.583 | 5.723 | 6.863 | 9.149 | 11.429 | 1.65 | 2.20 | 2.75 | 3.3 | 4.4 | 5.5 | 6.60 | 8.80 | 1.40 | 1.95 | 2.50 | 3.0 | 4.1 | 5.2 | 6.24 | 8.44 | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 | 2.080 | 2.58 | 3.080 | 4.095 | 5.140 | 6.140 | 8.175 | 10.175 | 2.020 | 2.52 | 3.020 | 4.020 | 5.020 | 6.020 | 8.025 | 10.025 | 1.04 | 1.3 | 1.56 | 2.08 | 2.6 | 3.12 | 4.16 | 5.2 | 3220 | 5620 | 9080 | 12900 | 23400 | 37100 | 53900 | 100000 | 4180 | 7300 | 11800 | 16700 | 30500 | 48200 | 70200 | 130000 | 4910 | 8506 | 13800 | 19600 | 35700 | 56600 | 82400 | 154000 | |