Custom made bolt manufacturer and supplier in China: JM Hardware® machining capabilities include Swiss-style automatic machining with 15,000 RPM spindles that achieves tolerances as tight as ± 0.0005″, versatile multi-tool 5-axis CNC milling and turning centers, CNC lathes with live tooling capable of working to diameters as small as 0.010”, and 5-Axis CNC wire EDM machines working to diameters as small as 0.0005″. Combined with our cutting, grinding, lapping and polishing capabilities, our machining centers enable us to offer vertically integrated solutions that shorten production times for difficult to machine small diameter machining parts. Read additional info at screw manufacturer.
JM Hardware is a custom bolt manufacturer with 18 years experiences, our bolts are used by a broad range of industries requiring assemblies and fastening applications. These threaded fasteners can connect machine parts, mount equipment, and more. As a removable fastener, they also facilitate the regular maintenance and inspections that keep equipment running longer. JM offers both standard and custom bolts and fasteners to meet different grades and specifications. This ensures we can cover the full spectrum of our manufacturing customers’ applications, including Mining, Heavy equipment, Construction, Transportation, Automotive and Energy and alternative energy.
Thread-cutting screws feature a cutting or forming tip that creates mating threads in the material during installation. They are used in applications where tapping or pre-drilling is not feasible, such as plastic, metal, or composite materials. Thread-cutting screws may have a pan, flat, or truss head and are available in various thread types and sizes. Sheet metal screws are designed for fastening thin metal sheets, such as roofing, siding, or ductwork. They have sharp threads and a tapered point for easy penetration into sheet metal without the need for pre-drilling. Sheet metal screws may have hex, pan, flat, or truss heads, depending on the application.
Anchors: Securing Objects To Concrete And Masonry – Anchors are specialized fasteners designed to secure objects to concrete, brick, and other masonry materials. Unlike screws, which rely on threads for holding power, anchors use a variety of mechanisms to create a secure hold in solid materials. They are essential for applications where traditional fasteners, like screws and nails, would be ineffective. Types of Anchors: Anchors come in a wide variety of types, each optimized for specific applications and base materials. Some common types include: Mechanical anchors: These anchors use expansion mechanisms to create a tight grip within the base material. Examples include wedge anchors, sleeve anchors, and screw anchors.
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 info at https://www.jm-fastener.com/.
Uniform Load Distribution: The use of a washer with a bolt helps to distribute the load evenly across the surface of the material. This uniform distribution reduces the stress concentration at any single point, preventing damage and extending the lifespan of the assembly. In contrast, screws can create high-stress points that may lead to material fatigue and failure over time. Versatility in Materials and Sizes: Bolts are available in a wide range of materials and sizes, making them suitable for diverse applications. They can be made from steel, stainless steel, brass, titanium, and other materials, each offering specific benefits such as corrosion resistance, high strength, or lightweight properties. The availability of different sizes allows for precise matching with the requirements of the application.
Salt spray testing, also known as salt fog or salt mist testing, is a critical process used to assess the corrosion resistance of materials, particularly fasteners. It is an accelerated test designed to simulate long-term exposure to saline environments, such as saltwater, which can cause rapid deterioration of metals. For fasteners used in various industries, salt spray testing is a standard method for evaluating the durability and longevity of their surface coatings and material quality. In this article, we will explore why salt spray testing is essential for custom automotive fasteners, the benefits of longer test durations, the specific applications and industries where different test durations are relevant, and the surface treatments used to achieve longer corrosion resistance.