Carbon Steel ASME/ANSI B18.6.3-30-2013 Phillips concave large hex head screws
Product Overview:
Phillips concave large hex head screws thread diameter 4# inch to 1/4 inch, common materials include stainless steel, carbon steel, etc., these materials have good corrosion resistance and enough strength to withstand the expected load. It is widely used in occasions requiring high torque transmission and stable fastening, such as heavy machinery and equipment, large building structures and so on.
Grade:
4.8, 6.8, 8.8, 10.9, 12.9
Carbon Steel ASME/ANSI B18.6.3-30-2013 Phillips concave large hex head screws Details
Technical Specifications
- Materials: Carbon Steel
- Tread Size: 4# inch to 1/4 inch
- Surface Treatment: Optional galvanized, black oxide, Dacromet (enhance corrosion resistance and service life)
Product Overview
Our Phillips concave large hex head screws feature a large-size hexagonal head design, which effectively distributes tightening pressure, reduces local stress concentration, and enhances the stability and reliability of the structure. As high-performance concave hex head fasteners, they adopt a Phillips cross slot structure and high-strength alloy material, suitable for a wide range of applications from construction to manufacturing, meeting the needs of both aesthetic and functional requirements.These Phillips concave large hex head screws combine invisible design, high torque capacity and precision processing, making them an ideal choice for scenarios requiring flat surface fixation, harsh environment resistance and high assembly accuracy.
Functional Characteristics
- Invisible Design: Our Phillips concave large hex head screws adopt a concave hexagonal head design, which ensures the surface of the workpiece is flat and free of protruding traces, achieving true hidden fixation. This design maintains the overall beauty of the workpiece and is especially suitable for decorative and precision assembly scenarios.
- High Torque Capacity: The Phillips cross slot structure of the concave large hex head screws enables more efficient torque transmission, even in tight spaces, to exert maximum performance. It effectively avoids slippage during installation and significantly increases installation speed, improving work efficiency.
- Selected High-Strength Material: These Phillips concave hex screws are made of high-strength alloy, with excellent tensile, torsion and corrosion resistance. They can maintain stable performance in various harsh environments (high humidity, chemical exposure, high temperature), ensuring long-term service life.
- Precision Processing: The concave hex head screws feature high thread accuracy, a smooth locking process, and good performance even after long-term use. The precision processing ensures tight fit and assembly accuracy, meeting the requirements of high-precision equipment.
Applications
- Advanced Architecture: Phillips concave large hex head screws are widely used in curtain wall decorations and interior decorations, maintaining the overall smooth lines of the building and not damaging the design beauty, achieving invisible and firm fixation.
- Aerospace: These concave hex head fasteners are applied to the internal and external components of aircraft fuselages, which are both aesthetically pleasing and safely compliant with strict weight limits, meeting the high standards of aerospace assembly.
- Medical Equipment: Used for fixing operating room instruments, our Phillips concave screws pursue cleanliness and are easy to disinfect, complying with the strict hygiene requirements of the medical industry.
- Precision Machinery: Suitable for fixing devices such as sensors and controllers, these high-strength alloy concave hex screws ensure assembly accuracy and improve the overall operation efficiency of precision machinery.
