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Hex nuts, or hex finish nuts, are the most common type of finish nut used. The hexagonal shape makes these nuts easy to grasp with a wrench or pliers. These nuts are often used with screws and bolts when mechanically joining materials together. They are installed on the opposite side of the materials being fastened. With the bolt head or machine screw head on the other side, they compress the materials together for a secure fit.
18-8 or 304 grades of Stainless steel are suitable for many general purpose applications, especially freshwater and non-salt water wet environments. Corrosion-resistant and durable, 18-8 stainless steel is equivalent to the A2 grade of stainless steel.
18-8 stainless steel hex nuts are available in a black oxide coating, which adds mild corrosion and abrasion resistance, but is mostly used for the color.
Hex nuts are hexagonal blocks of material, typically metal, with a hole punched through that is threaded. Hex nuts, or hex finish nuts, are the most common type of finish nut used. The hexagonal shape makes these nuts easy to grasp with a wrench or pliers. These nuts are often used with screws and bolts when mechanically joining materials together.
Hex nuts are used alongside machine threaded fasteners to complete a secure assembly. The head of the screw or bolt clamps down on the material while the nut clamps down on the opposite side. This effectively "sandwiches" the assembly securely together.
Hex nuts work jointly with machine threaded fasteners such as bolts, anchors, and machine screws to effectively clamp down on both sides of the fastened material. The bolt and nut threading causes friction against each other, allowing a secure fit for general applications. A lock nut is used instead if the application would be subject to high amounts of vibration.
Black oxide is used to add mild corrosion resistance, abrasion resistance, for appearances, and to minimize light reflection.
In regards to stainless steel, 18-8 (sometimes written as 18/8) is the composition of chromium (18%) and nickel (8%) in the stainless steel alloy. 18-8 also refers to the 300 series of stainless steel grades, including 302, 303, 304, & 316. Though you'll often find it used interchangeably with the 304 grade because it's the best known stainless grade in the series.
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