Carbon Steel Grade 10.9 Ball Head Screw

Carbon steel grade 10.9 ball head screw, with its unique ball head design and excellent mechanical properties, is an ideal choice for heavy-duty connection occasions. The most notable feature of this screw is its smooth spherical head, which is precisely machined to present a perfect arc surface. This design is not only beautiful, but more importantly, it can effectively disperse the tightening pressure. Finite element analysis shows that compared with traditional hexagonal heads, the ball head structure can reduce the contact surface stress by 35%, greatly reducing the risk of surface crushing of the connected parts.

1. Material and process
We use SCM435 chromium-molybdenum alloy steel, and use advanced quenching and tempering heat treatment process (quenching + high temperature tempering) to make the material obtain an ideal tempered troostite structure. Its tensile strength is stable at 1000-1050MPa, and its yield strength is 900-930MPa, which fully meets the requirements of ISO 898-1 standard for 10.9 grade bolts. It is particularly worth mentioning that the thread adopts a cold forging process to keep the metal streamline intact, and the fatigue life is increased by more than 20% compared with cutting thread.

2. Advantages of carbon steel grade 10.9 ball head screw
a. Accurate positioning: ball head positioning screws can accurately position objects, making the assembly of parts more accurate and improving assembly efficiency.

b. Convenient assembly: Compared with traditional screws, ball head positioning screws are more convenient to assemble, do not require precise installation positions, and can also avoid parts from being damaged due to incorrect positioning.

c. Easy to disassemble: ball head positioning screws are simple in design and can be easily disassembled without tools. After removal, they can be quickly reinstalled, greatly improving maintenance efficiency.

3. Application fields of carbon steel grade 10.9 ball head screw
They are widely used in industries such as electronic equipment, automobiles, and household appliances. In the electronics industry, ball head positioning screws are usually used to install panels and other tightly fixed parts. In the automotive industry, ball head positioning screws can be used to install seats, dashboard, and other components. In the household appliance industry, ball head positioning screws can be used for the assembly of household appliances.

Why choose our products?
1. We can provide material report (SGS/MSDS) to ensure the components meet the standards.
2. Full process salt spray test + torque test to eliminate thread slippage or rust defects.
3. Supports non-standard dimensions, surface polishing, laser engraving, and other requirements.