Screws wholesale factory right now: Choose JM Hardware®, your reliable screw manufacturer, and let us provide the perfect fastening solutions for all your projects. Contact us today to learn more about our products and customization capabilities! Specialty Screws: Custom-designed screws for unique applications, including security screws, pocket hole screws, and more. Washers are used to provide protection for materials at a join and to provide secure seals. We offer standard washers in steel alloys, carbon steel, stainless steel alloys, Hastalloy®, Inconel®, Incoloy®, Monel®, silicon bronze, titanium, brass and nickel as well as rare and exotic materials for specialty applications. Yellow zinc, Xylan®, Cadmium, hot dipped galvanized plating and specialty coatings are offered for custom coating and finishing. Our staff will work with you to select the washer and material that will meet your requirements. Find extra details on https://www.jm-fastener.com/Custom-Screw.

JM Hardware ® is a professional manufacturer of fasteners for engineering projects and customized hardware established in 2006. The company has 18 years of production experience and technology accumulation, and its products are exported to more than 85 countries, serving more than 1200 customers. JM Hardware ® products include all kinds of high-strength bolts, nuts, washers, pins, screws and other fasteners. The materials include stainless steel, alloy steel, aluminum alloy parts, copper, special alloys, etc. JM is your one-stop source for all exotic and hard to find alloy fasteners. We stock an immense inventory of Bolts, Nuts, Washers, and Studs in a wide range of hard to find materials. Brass, Silicon-Bronze, Monel, Inconel, Hastelloy, and alloy 20 fasteners are kept in stock and are ready for immediate release. In addition, let us know about your special needs.

Stainless steel bolts are highly resistant to rust and corrosion due to the presence of chromium, which forms a passive oxide layer on the surface, protecting the underlying metal from oxidation. Types of stainless steel commonly used for bolts include austenitic grades such as 18-8 (304) and 316, which offer excellent corrosion resistance in marine and harsh environments. Galvanized bolts are coated with a layer of zinc through a hot-dip galvanizing process, providing a sacrificial barrier against corrosion. The zinc coating prevents moisture and corrosive substances from reaching the underlying steel substrate, significantly extending the lifespan of the bolt.

Types of Washers – Washers come in various shapes and materials, each with its unique properties and applications. Some common types include: Flat washers: These are the most common type, providing a larger bearing surface to distribute the fastener load evenly. Lock washers: These washers help prevent nuts and bolts from loosening due to vibration. They come in various forms, such as split lock washers and tooth lock washers. Fender washers: These have a larger outer diameter than standard washers, making them ideal for use with thin sheet metal or oversized holes. Applications of Washers – Washers are used in conjunction with nuts and bolts in a wide range of applications.

Cost-Effective Solutions for Clients – For clients looking to keep costs low while still achieving an aesthetically pleasing finish, we recommend focusing on the following surface treatments: Zinc Plating: As one of the most affordable options, zinc plating is ideal for achieving a shiny, metallic finish. It’s suitable for automotive, consumer electronics, and general industrial applications where basic corrosion resistance is required. Black Oxide: This treatment is relatively low-cost and gives screws a sleek, black finish. It’s perfect for applications where a non-reflective, matte finish is preferred, such as automotive interiors and certain electronics. Discover even more information on jm-fastener.com.

Enhanced Security: Bolts provide enhanced security in critical applications. For example, tamper-proof bolts are used in public infrastructure and high-security installations to prevent unauthorized disassembly. The ability to use locking mechanisms, such as lock nuts or thread-locking compounds, further enhances the security and reliability of bolted connections. Compatibility with High-Strength Applications: Bolts are better suited for high-strength applications due to their robust design and the ability to use high-grade materials. Grade 8 or 10.9 bolts, for example, offer exceptional tensile strength and are used in demanding environments such as automotive suspensions and heavy machinery.

The Benefits of Longer Salt Spray Test Durations: Salt spray testing is performed over a set period, typically ranging from 24 hours to over 1000 hours, depending on the application and the specific requirements of the fastener. Longer test durations offer several benefits, particularly when fasteners are designed for use in more corrosive or challenging environments. Some key advantages include: Improved Corrosion Resistance: Longer test durations allow manufacturers to evaluate how fasteners perform under prolonged exposure to saltwater, which helps ensure that they are resistant to corrosion over the long term. This is especially important for fasteners used in offshore or marine environments, where corrosion can occur rapidly.