A machine screw is a screw with a flat point. Machine screws are available in a variety of drive styles, sizes, heads and materials to fit a wide range of application needs. These fasteners are often used with nuts (hex nuts, square nuts, machine nuts, lock nuts, etc) as well as driven into tapped holes. May be used with anti-seize or threadlocker. In practice, they tend to be mostly available in smaller sizes such as 0-80, 2-56, 4-40 in fine and coarse thread and are referred to as screws or machine screws. Some kinds of machine screws are also referred to as stove bolts or stovers. Pan heads machine screws, flat head machine screws, oval head machine screws and truss head machine screws are the most popular varieties.
Albany County Fasteners offer machine screws in 304 Stainless Steel, 18-8 Stainless Steel, 316 Stainless Steel, Black Oxide Stainless Steel, Solid Brass, and Silicon Bronze. Stainless steel fasteners are corrosion resistant in varying grades. For environments requiring an extremely resistant product (such as salt water), we recommend 316 stainless steel. 18-8 and 304 stainless steel grades are considered the industry standard and have corrosion resistant qualities. Black oxide fasteners offer the same qualities as their standard stainless steel counterparts, but are chemically treated to add a sleek black finished look. Brass fasteners are typically used in wood and plumbing applications due its nonmagnetic nature and heat resistant qualities.
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