Galvanized Hex Socket Countersunk Head Cap Screws, distinguished by their conical head with an internal hex drive, are designed to sit flush with or below the material surface. These precision fasteners combine the advantages of countersunk design with the torque efficiency of a hex socket. The angled head profile allows for smooth, aerodynamic surfaces in assembled components, making them ideal for applications where protrusions must be minimized. Manufactured to exacting tolerances, Galvanized Hex Socket Countersunk Head Cap Screws ensure consistent performance in both light-duty and heavy-duty applications. Available in various materials and finishes, these screws provide reliable fastening solutions for industries ranging from aerospace to furniture manufacturing.
Attribute |
Value |
Grade |
10.9 |
Thread Size |
M3-M12 |
Head Shape |
Hex Socket Countersunk |
Material |
Steel |
Finish |
Galvanized |
Thread Type |
Metric |
Standards Met |
DIN7991 |
• Various thread sizes available, including from M3 to M12
• Manufactured from Galvanized Steel
• Used in applications where a wider head and lower profile is required
• 10.9 grade high tensile steel as standard
Galvanized Hex Socket Countersunk Head Cap Screws offer excellent corrosion resistance and a streamlined design, making them suitable for applications requiring both durability and a flush surface finish. The galvanized zinc coating provides robust protection against rust and environmental degradation, ideal for outdoor or high-moisture environments such as construction, marine, and agricultural equipment. The countersunk head design allows Galvanized Hex Socket Countersunk Head Cap Screws to sit flush with or below the material surface, creating smooth, aerodynamic planes that are essential for applications like metal fabrication, automotive assemblies, and architectural installations. The internal hex drive ensures precise torque application and reduces the risk of stripping, while the combination of strength and corrosion resistance makes these screws a reliable choice for structural and mechanical fastening in demanding conditions. Their versatility and performance make them widely used in industries where both aesthetic appeal and long-term durability are critical.
The surface of Galvanized Hex Socket Countersunk Head Cap Screws shows a crystalline sparkle under light, with occasional subtle spangle patterns formed during the cooling phase of hot-dip galvanization. A thin protective film creates a slightly matte texture that maintains moderate reflectivity. The zinc layer appears uniformly distributed across threaded surfaces and drive slots, though minor variations in shade may occur at stress points. Small whitish oxidation spots might appear on prolonged exposure, while retaining overall corrosion resistance. The coating typically measures 8-12μm thick, creating a smoother surface than untreated steel fasteners yet slightly rougher than chrome-plated alternatives.
Galvanized screws offer exceptional corrosion resistance, making Galvanized Hex Socket Countersunk Head Cap Screws ideal for outdoor applications and harsh environments. The zinc coating acts as a sacrificial layer, protecting the underlying steel from rust and oxidation. This protective barrier significantly extends the fastener's lifespan, even in moist or chemically aggressive conditions. The galvanization process creates a durable surface that withstands physical abrasion better than many other coatings. Galvanized Hex Socket Countersunk Head Cap Screws maintain their structural integrity over time, reducing maintenance costs and replacement frequency. Their resistance to environmental factors makes them suitable for construction, marine applications, and industrial settings. The zinc layer also provides moderate electrical conductivity, beneficial in certain grounding applications. Furthermore, the coating process doesn't compromise the screw's mechanical strength, ensuring reliable performance in load-bearing situations.