Stainless 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 
• Thread Standard: ASME/ANSI B18.6.3-31-2013

Product Overview

LONGJOY Stainless Steel ASME/ANSI B18.6.3-31-2013 Phillips hex head screws feature thread diameters ranging from 8# inch to 3/8 inch, with high-quality stainless steel as the primary material (high-strength alloy steel or carbon steel optional). As compliant ASME standard Phillips hex screws, the unique H-type (Phillips) cross groove design ensures better torque transfer during tightening, while effectively reducing the risk of slippage and loosening—making them a reliable choice for industrial fastening scenarios.
As versatile8# to 3/8 inch stainless steel hex fasteners, they are widely used in mechanical equipment, building structures, automotive manufacturing, aerospace, and other fields, providing secure, durable, and standard-compliant connections for various assembly needs.

Product Characteristics

• Phillips Cross Slot (H-Type) Design: The head of our ASME/ANSI B18.6.3-31-2013 Phillips hex head screws adopts an H-type (Phillips) 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 8# to 3/8 inch stainless steel screws suitable for rapid assembly and maintenance.
• Hex Head Shape: The hex head design of the stainless steel Phillips hex fasteners 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 industrial scenarios.
• High-Quality Material & Corrosion Resistance: Our Stainless Steel ASME/ANSI B18.6.3-31-2013 screws are primarily made of premium stainless steel, with optional high-strength alloy steel or carbon steel. These materials feature excellent corrosion resistance and mechanical properties, ensuring the integrity and functionality of the screws even in harsh environments (high humidity, chemical exposure, outdoor conditions).
• ASME/ANSI & ISO/ASTM Standard Compliance: The screw thread design strictly meets ASME/ANSI B18.6.3-31-2013 and international ISO/ASTM specifications, ensuring the tightness and fit of the threaded connection. This prevents loosening and leakage, enhances the overall reliability of the fastening, and ensures compatibility with standard industrial components.

Applications

• Mechanical Equipment: Stainless Steel ASME/ANSI B18.6.3-31-2013 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 8# to 3/8 inch Phillips hex 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, ASME standard stainless steel hex screws are widely used for their high strength, reliability, and precise performance—meeting the strict standards of aerospace assembly.
• Other Fields: In addition, these stainless steel and carbon steel Phillips hex screws are also suitable for construction, electronics, communications, and other fields, meeting a variety of connection and fixing needs.