Self-Clinching Mounting Screw
Products Description
Self-Clinching Mounting Screws are integrated fastening components specifically developed for thin plates (0.5-6mm thick) and sheet metal parts. Their core technology utilizes a "press-fit tooth structure + cold-press forming process," eliminating the need for pre-tapping or welding. They are directly pressed into pre-drilled holes in the sheet metal, and the plastic deformation during press-fitting achieves mechanical engagement between the teeth and the sheet metal, forming a permanent and stable connection. This product precisely addresses the pain points of traditional thin-plate connections, such as "easy stripping of pre-tapping threads, welding deformation, bolt protrusion interference, and low assembly efficiency." Unlike ordinary screws, its core advantages lie in "integrated press-fitting + thin-plate-specific adaptation + space-optimized design"-after press-fitting, the Self-Clinching Screw head is flush with the sheet metal surface, eliminating protrusion interference; the mechanical engagement structure provides significantly better anti-loosening performance than threaded connections, making it suitable for high-frequency vibration scenarios; and no additional fasteners are required, significantly simplifying the assembly process.
Material Advantages: The Core Choice for "Implantation"
We understand that successful "implantation" depends on a precise match of material properties.
Screw Material: We typically use high-strength stainless steel (such as SUS303, SUS304) or carbon steel (such as 35#). Its hardness must be significantly higher than the sheet metal being installed to allow the sheet metal to undergo plastic deformation during the riveting process while maintaining its own dimensional stability.
Sheet Metal Compatibility: Our Self-Clinching Compression Screws are extensively proven and perfectly compatible with a variety of common metal materials, including steel, stainless steel, and aluminum. Our technical team can guide riveting parameters for different material combinations.
Precision Manufacturing Process: Engineering Control of Structural Integration
Precision Stamping Process
Utilizing high-precision CNC stamping equipment ensures the accuracy of Push-In Clinching Screw geometry.
01
Pressure Riveting Simulation Testing
Each batch of Clinching Screws undergoes pressure riveting simulation testing to ensure optimal integration at the target sheet thickness.
02
Structural Integration Inspection
Each Self-Clinching Stud undergoes structural integration quality inspection, including tensile testing and microstructure analysis.
03
Full-Dimensional Consistency Control
Employing a laser measurement system ensures Self-Clinching Threaded Fastener dimensional tolerances are controlled within ±0.01mm.
04
Quality Closed-Loop Traceability
Establishing a complete quality traceability system ensures the structural integration performance of each Self-Clinching Screw is traceable.
05
Detailed Demonstration: Witnessing the Power of Microscopic Interlocking
Metallographic Profile of Press-fitted Components
Demonstrates how sheet metal densely flows into and fills the annular locking groove at the Self-Clinching Mounting Screw tail, forming a gapless mechanical interlock with a clearly visible weld line.
Pull-out and Twist-out Test Specimens
Demonstrates the failure mode-ideally, in standard testing, the sheet metal tears or the Threaded Clinching Screw breaks, while the interlocking interface remains intact, visually proving that the bond strength exceeds the local strength of the sheet metal or screw body.
Head-below Area in Contact with Sheet Surface
Demonstrates that after press-fitting, the Self-Clinching Stud head flange or bearing surface maintains uniform and tight contact with the sheet surface, without warping or gaps, ensuring effective load transfer.
Application Examples with Different Sheet Thicknesses and Materials
Through a series of images or samples, it demonstrates the standard morphology and performance data range of the same type of Self-Clinching Compression Screw after press-fitting on sheet metal of different thicknesses and materials.
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