Carbon Steel ASME/ANSI B18.6.3-31-2013 Phillips hex head screws

Technical Specifications

• Thread Diameter: 8# inch to 3/8 inch
• Materials: Stainless steel, carbon steel, high-strength alloy steel
• Head Design: Cross slot (H-type) + Hex head
• Thread Standard: Conforms to international standard specifications

Product Overview

Our Phillips hex head screws feature thread diameters ranging from 8# inch to 3/8 inch, with common materials including stainless steel and carbon steel (optional high-strength alloy steel). The unique H-shaped cross groove design of these hex head screws ensures better torque transfer during tightening, while effectively reducing the risk of slippage and loosening.
As versatile cross slot hex fasteners, they are widely used in mechanical equipment, building structures, automotive manufacturing, aerospace, and other fields, providing secure and reliable connections for various assembly scenarios.

Product Characteristics

• Cross Slot (H-Type) Design: The screw head adopts an H-type cross slot design, which can be easily tightened and loosened with a standard Phillips screwdriver. This design improves work efficiency and operational convenience, making these cross slot hex head screws suitable for rapid assembly.
• Hex Head Shape: The hex head design of the screw provides a larger contact area for wrenches, allowing easy tightening or loosening with tools such as wrenches or pliers. This enhances the stability and reliability of installation, especially for high-torque scenarios.
• High-Quality Material Choice: Our Phillips hex head screws are typically made of high-strength alloy steel or stainless steel, featuring excellent corrosion resistance and mechanical properties. These materials ensure the integrity and functionality of the screws even in harsh environments (high humidity, chemical exposure, outdoor conditions).
• Standard Thread Characteristics: The screw thread design strictly meets international standard specifications, ensuring the tightness and fit of the threaded connection. This prevents loosening and leakage, enhancing the overall reliability of the fastening.

Applications

• Mechanical Equipment: Phillips hex head screws are widely used in the connection and fixation of various mechanical equipment, such as machine tools, pumps, compressors, and industrial machinery, ensuring stable operation of equipment components.
• Automotive Manufacturing: In automotive manufacturing, these hex head fasteners are used to attach and secure components such as engines, chassis, and body, ensuring the structural integrity and safety of the vehicle.
• Aerospace: In the aerospace sector, where screw requirements are more stringent, Phillips hex head screws are widely used for their high strength, reliability, and precise performance.
• Other Fields: In addition, these 8# to 3/8 inch screws are also suitable for construction, electronics, communications, and other fields, meeting a variety of connection and fixing needs.