Countersunk Metal Thread Screws Grade 316 Stainless Steel Metric & Imperial
From this page, choose from metric machine screws or BSW Inch machine screws. All marine grade A4-70 (316) Diameters Available are listed below.
Metric countersunk screw diameters we keep in stock Metric 3mm, 4mm, 5mm, 6mm, 8mm, and 10mm. Click the size to be directed to available lengths and prices.
BSW-Inch screw diameters we keep in stock are. 1/8, 5/32, 3/16 also known as 10-24, 1/4, 5/16, and 3/8. Click the Size to be directed to available lengths and prices.
Advantages of using Grade 316 Screws verse Grade 304.
Grade 316 (A4-70) stainless steel screws offer several advantages over grade 304 (A2-70) stainless steel screws, especially in specific environments and applications:
Increased Corrosion Resistance: Grade 316 stainless steel contains molybdenum, which enhances its resistance to corrosion, particularly in chloride-rich environments such as marine environments, coastal regions, and industrial settings with exposure to chemicals. This makes 316 stainless steel screws more suitable for outdoor applications and applications where corrosion is a significant concern.
Improved Pitting and Crevice Corrosion Resistance: The presence of molybdenum in grade 316 stainless steel provides better resistance to pitting and crevice corrosion compared to grade 304 stainless steel. This makes 316 stainless steel screws ideal for use in environments where these types of corrosion are prevalent, such as marine structures, offshore platforms, and chemical processing plants.
Enhanced Strength and Durability: While both grades 304 and 316 stainless steel screws have similar tensile strength properties, grade 316 stainless steel generally offers better durability and toughness due to its alloy composition. This increased toughness can be advantageous in applications subjected to mechanical stress, vibration, or impact.
Wide Range of Applications: Grade 316 stainless steel screws are versatile and suitable for a wide range of applications, including construction, automotive, aerospace, food processing, and pharmaceutical industries. Their superior corrosion resistance and durability make them suitable for demanding environments where hygiene, longevity, and reliability are essential.
Chemical Compatibility: Grade 316 stainless steel exhibits excellent chemical compatibility with a variety of substances, including acids, alkalis, and organic compounds. This chemical resistance makes it suitable for use in chemical processing equipment, laboratory instruments, and medical devices where exposure to corrosive substances is common.
In summary, grade 316 (A4-70) stainless steel screws offer superior corrosion resistance, particularly in chloride-rich environments, improved resistance to pitting and crevice corrosion, enhanced strength and durability, and excellent chemical compatibility compared to grade 304 (A2-70) stainless steel screws. These advantages make them the preferred choice for applications where corrosion resistance and durability are paramount.
From this page, choose from metric machine screws or BSW Inch machine screws. All marine grade A4-70 (316) Diameters Available are listed below.
Metric countersunk screw diameters we keep in stock Metric 3mm, 4mm, 5mm, 6mm, 8mm, and 10mm. Click the size to be directed to available lengths and prices.
BSW-Inch screw diameters we keep in stock are. 1/8, 5/32, 3/16 also known as 10-24, 1/4, 5/16, and 3/8. Click the Size to be directed to available lengths and prices.
Advantages of using Grade 316 Screws verse Grade 304.
Grade 316 (A4-70) stainless steel screws offer several advantages over grade 304 (A2-70) stainless steel screws, especially in specific environments and applications:
Increased Corrosion Resistance: Grade 316 stainless steel contains molybdenum, which enhances its resistance to corrosion, particularly in chloride-rich environments such as marine environments, coastal regions, and industrial settings with exposure to chemicals. This makes 316 stainless steel screws more suitable for outdoor applications and applications where corrosion is a significant concern.
Improved Pitting and Crevice Corrosion Resistance: The presence of molybdenum in grade 316 stainless steel provides better resistance to pitting and crevice corrosion compared to grade 304 stainless steel. This makes 316 stainless steel screws ideal for use in environments where these types of corrosion are prevalent, such as marine structures, offshore platforms, and chemical processing plants.
Enhanced Strength and Durability: While both grades 304 and 316 stainless steel screws have similar tensile strength properties, grade 316 stainless steel generally offers better durability and toughness due to its alloy composition. This increased toughness can be advantageous in applications subjected to mechanical stress, vibration, or impact.
Wide Range of Applications: Grade 316 stainless steel screws are versatile and suitable for a wide range of applications, including construction, automotive, aerospace, food processing, and pharmaceutical industries. Their superior corrosion resistance and durability make them suitable for demanding environments where hygiene, longevity, and reliability are essential.
Chemical Compatibility: Grade 316 stainless steel exhibits excellent chemical compatibility with a variety of substances, including acids, alkalis, and organic compounds. This chemical resistance makes it suitable for use in chemical processing equipment, laboratory instruments, and medical devices where exposure to corrosive substances is common.
In summary, grade 316 (A4-70) stainless steel screws offer superior corrosion resistance, particularly in chloride-rich environments, improved resistance to pitting and crevice corrosion, enhanced strength and durability, and excellent chemical compatibility compared to grade 304 (A2-70) stainless steel screws. These advantages make them the preferred choice for applications where corrosion resistance and durability are paramount.
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