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Inch Size Stainless Hex Head Cap Screw

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For over a century, Rettig’s Industrial Supply has been dedicated to providing high-quality industrial supplies with excellent customer service at competitive prices. After you place your order, our in-stock inventory ships within twenty-four business hours. If we don’t have the stainless steel hex head cap screws you’re looking for, we’ll do whatever it takes to locate what you need to complete your job on time and within budget.

 
18-8 Stainless Steel Hex Head Cap Screw
18-8 SS
316 SS
316 SS

Stainless steel grades 18-8 and 316 are popular materials for hex head cap screws, offering a blend of strength, durability, and corrosion resistance. Each grade has unique characteristics that make it ideal for specific applications, especially in industries where exposure to harsh environments is common.

Stainless Steel Grade 18-8: This is one of the most widely used stainless steel alloys, comprising approximately 18% chromium and 8% nickel. The primary benefit of grade 18-8 stainless steel is its excellent corrosion resistance in a variety of environments, including atmospheric, freshwater, and mild chemicals. It also has good strength and can withstand temperatures up to 870°F (465°C), making it ideal for many general-purpose applications. The hex head cap screws made from 18-8 stainless steel are commonly used in industries such as construction, automotive, and household appliances. Users include manufacturers, repair technicians, and construction professionals who need reliable fasteners for everyday applications.

Stainless Steel Grade 316: Grade 316 stainless steel, often referred to as marine-grade steel, contains molybdenum, which further enhances its resistance to corrosion, particularly against chlorides and acidic environments. This makes 316 hex head cap screws highly suitable for use in marine, coastal, and chemical processing environments. The added molybdenum provides exceptional resistance to pitting and crevice corrosion, which are common in salty or acidic conditions. Grade 316 screws are widely used in industries like marine construction, pharmaceuticals, food processing, and oil and gas. They are favored by users such as marine engineers, industrial manufacturers, and technicians in corrosive settings.

Both 18-8 and 316 stainless steel hex head cap screws offer excellent strength, reliability, and durability. The key difference lies in their resistance to corrosion, with 316 being superior in more aggressive environments. Users choose between the two based on the specific environmental conditions and strength requirements of their projects.

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