Steel Set Screw
Products Description
Steel set screws, also known as set screws, are essential precision fasteners in industrial assembly and structural connections. Using hexagonal, torx, or slotted head designs, they securely position components within shafts, sleeves, or machine bodies, providing precise locking, vibration-resistant fixation, and long-term stability.
In today's industrial systems, from electrical connectors, motor rotors, and gearboxes to new energy storage devices and automated control systems, stainless self-drilling screws, with their high strength, fatigue resistance, corrosion resistance, and high precision, have become core standard components in high-end manufacturing.
Material Advantages
Our stainless steel license plate screws are made from high-quality carbon steel alloy or stainless steel (304/316/410). Through rigorous metallographic analysis and heat treatment, they possess the following material properties:
High tensile strength and shear resistance: Heat-treated carbon steel set screws can achieve a hardness of ≥45 HRC, ensuring they can withstand high loads without loosening.
Excellent corrosion resistance: For outdoor or chemical environments, we offer stainless steel drywall screws (such as grades A2-70 and A4-80), which resist acid, alkali, moisture, and salt spray corrosion.
Strong structural stability: Temperature-controlled quenching and tempering result in refined grain size, resulting in excellent deformation and fatigue resistance.
Environmentally friendly surface treatments: A variety of environmentally friendly coatings are available, including galvanizing, blackening, nickel plating, and Dacromet, ensuring both rust prevention and aesthetics.
These material properties ensure that the stainless steel trim screws can maintain reliable locking force and mechanical stability in long-term vibration, high temperature, or humid environments, and are particularly suitable for the long-term operation of new energy vehicle electronic control components, wind power systems, and industrial automation equipment.
Manufacturing Advantages
As an original equipment manufacturer (OEM & ODM), Apollo Electronic Components (Xiamen) Co., Ltd. boasts a comprehensive fastener production system with multi-station cold heading, precision turning, and thread rolling equipment.
We rigorously control every detail throughout the entire manufacturing process:
| Cold heading technology | ensures the continuity of metal fiber flow lines, significantly improving mechanical strength and thread tensile strength. |
| Automatic thread rolling | Threads achieve a high surface finish with precision up to 6g, effectively enhancing torque locking performance. |
| In-line heat treatment and aging | A temperature-controlled furnace and nitrogen atmosphere prevent surface decarburization and overburning. |
| 100% dimensional inspection | A fully automated visual inspection system screens each component for thread, head shape, and length. |
| Surface passivation and rust prevention | Verified by a neutral salt spray test (>72 hours), ensuring a long product life. |
Application Advantages
Electrical Equipment Manufacturing
100mm stainless steel screws are used for structural fastening of terminal blocks, busbar brackets, and electrical modules, ensuring stable and reliable electrical connections.
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Mechanical Assembly and Automation Equipment
Achieve precise positioning in components such as servo motors, reducers, and ball stainless steel cladding screws.
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New Energy Systems
Stainless steel tapcon is Suitable for structural connections of energy storage battery modules, photovoltaic inverters, and high-voltage DC contactors.
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Automotive and Rail Transit
Used for fastening sensors, valves, and control modules, ensuring long-term vibration resistance.
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Industrial Control Cabinets and Power Systems
stainless steel roofing screws ensure fastening points do not loosen or oxidize under high temperatures and high voltages.
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