ISO 73801 A270 Stainless Steel Button Head Socket Cap Screws China Suppliers Factory
The ISO 7380-1 A2-70 Stainless Steel Button Head Socket Cap Screws are engineered for precision and durability, offering a sophisticated fastening solution for modern industrial applications. Characterized by their distinctive low-profile hemispherical head, these screws provide a seamless, aesthetically pleasing finish while maintaining a substantial bearing surface to ensure stability and security in every joint.
Utilizing a high-performance hex socket drive, these fasteners allow for superior torque transmission and efficient installation using standard hex keys. Compliant with rigorous ISO 7380-1 and ISO 7380-2 standards, they are specifically designed to excel in high-stress and corrosive environments, making them an indispensable component for advanced mechanical assembly and structural integrity.
| Standard | ISO 7380-1 / ISO 7380-2 | Material Grade | A2-70 Stainless Steel |
|---|---|---|---|
| Head Shape | Button Head (Hemispherical) | Drive Type | Hex Socket Drive |
| Mechanical Properties | Class 70 (High Tensile) | Surface Finish | Natural Stainless Steel |
| Compliance | Dimensions & Performance Certified | Tooling Required | Hex Key / Allen Wrench |
| Corrosion Resistance | High (A2 Grade) | Application Type | Industrial Fastening |
Crafted from A2-70 stainless steel, providing exceptional protection against rust and oxidation in harsh chemical environments.
High-tensile strength properties ensure a secure hold and extended lifecycle under constant mechanical stress.
The button head design creates a clean, professional appearance that minimizes protrusion from the workpiece.
The precision hex socket drive ensures maximum power transfer and prevents slipping during tightening.
Strict adherence to ISO 7380-1 and 7380-2 guarantees perfect fitment and interchangeable compatibility.
Ideal for countersinking, allowing for a flush or semi-flush finish across various material substrates.
Real-time tracking of fastener stock levels to ensure uninterrupted production lines.
Rigorous batch testing according to ISO 7380-2 to guarantee mechanical performance.
Optimized logistics management for timely delivery of high-strength fasteners.
Digital documentation and certification for every shipment to meet industry standards.
Flexible procurement platforms for tailored sizes and specific material requirements.
Monitoring product wear and tear in the field to optimize replacement cycles.
| Performance Metric | Standard Carbon Steel | A2-70 Stainless Steel |
|---|---|---|
| Corrosion Life | Short (Requires Coating) | Extreme Long-term |
| Maintenance Cost | High (Frequent Replace) | Ultra-Low |
| Tensile Strength | Moderate | High (Class 70) |
| Installation Speed | Standard | High (Hex Drive) |
| Total Cost of Ownership | High (due to rust) | Low (due to longevity) |
ISO 7380-1 specifies the general dimensions and geometry of the button head socket cap screws, while ISO 7380-2 focuses on the mechanical properties and the required testing methods to ensure performance.
A2-70 provides an ideal balance of high tensile strength and excellent corrosion resistance, which is critical for machinery exposed to coolants, oils, and moisture common in metal cutting environments.
Yes, their corrosion-resistant nature and smooth, low-profile head make them ideal for pharmaceutical and medical devices where hygiene and the prevention of contaminant buildup are essential.
These screws utilize a hexagonal socket drive, requiring a standard hex key (Allen wrench) of the corresponding size for secure and efficient tightening.
Absolutely. Their high mechanical stability and resistance to oxidation make them suitable for power generation systems and boiler pipelines where reliability is non-negotiable.
In automotive chassis and door assembly, the button head reduces the risk of snagging and provides a safer, smoother surface while maintaining high clamping force.