Inch Size 18-8 SS Fasteners

Stainless Steel - ASTM F593
Sizes 1/4" to 5/8"
Condition (specific heat treatment process) CW1
Tensile Strength 100,000 to 150,000 psi
Yield Strength 65,000 psi
Rockwell Hardness B95 to C32
Markings F593C

Sizes 3/4" to 1-1/2"
Condition (specific heat treatment process) CW2
Tensile Strength 85,000 to 140,000 psi
Yield Strength 45,000 psi
Rockwell Hardness B80 to C32
Markings F593D

18-8 stainless steel hex head cap screws are a popular choice for a wide variety of applications due to their excellent balance of strength, durability, and corrosion resistance. This alloy, made up of approximately 18% chromium and 8% nickel, offers superior protection against rust and oxidation, making it suitable for use in most indoor and outdoor environments.

The inch-sized 18-8 hex head cap screws are commonly used in industries such as construction, automotive, and manufacturing. Their design allows for easy installation with standard tools, while the hexagonal head provides a secure grip for tightening or loosening. The inch sizing ensures compatibility with standard U.S. bolt and nut dimensions, making them highly versatile for various assembly and repair tasks.

One of the primary benefits of 18-8 stainless steel hex head cap screws is their corrosion resistance, especially against mild acids, water, and atmospheric conditions. These screws maintain their integrity even in moderate exposure to chemicals or moisture. They also have good strength, able to handle a range of mechanical stresses without weakening or breaking.

These screws are commonly used in securing metal parts, machinery assembly, fastening structural components, and in general-purpose construction or repair work. Their affordability and reliable performance make them a go-to fastener for many professionals.