Products Introduction
Hexagon Head Machine Screw Metric Thread Flat Spring Lock Washer Bolt 304 Stainless Steel is made of 304 stainless steel. 304 stainless steel contains chromium, nickel, and other elements to form a dense oxide film, which has excellent corrosion resistance. Threaded Fastener Screws can be used normally in humid and slightly acidic and alkaline environments and has good technical characteristics of anti-loosening, anti-vibration, and anti-compression. Stainless Steel Fastener is widely used in the construction field for structural connection, the machinery industry for equipment assembly, and the home for furniture fixing.
Technical feature
Hexagonal nut
Standard hexagonal design, precise corners, high fit with wrenches and sockets, uniform force, easy to tighten and loosen quickly. The internal thread is precisely processed with a standard pitch and tightly fits with the bolt, providing a strong tightening force for Metal Steel Screw Hardware Fasteners.
Flat washer
A round thin sheet with a precise center hole size that fits the bolt. It increases the contact area between the nut and the connected part, disperses the pressure, prevents excessive local pressure from damaging the surface of the connected part, and ensures the stability of the connection for stainless steel pan head screws.
Spring washer
A unique twisted structure with excellent elasticity. After installation, Threaded Fastener Screws generates axial elastic force to maintain friction between the nut and the connected part, effectively preventing the nut from loosening due to vibration and impact and enhancing the reliability of the connection.
Differential Advantages
Relying on our enterprise platform, we have assembled a team of senior industry professionals and deeply delved into the Stainless Steel Fastener
r field to offer a comprehensive range of customized services.
Employing advanced and state-of-the-art technology along with comprehensive and refined equipment, we adhere to high standards in every link, starting from design concept and material selection control to processing and manufacturing. This ensures that we can provide customers with high-quality customized Threaded Fastener Screws and solutions.
Salt spray test
Generally, it takes 48 - 96 hours, subject to customer demands.
Free samples
The number of Threaded Fastener Screws allowed ranges from 10 to 50.
Experience
7-15 days. (including tooling/molds and stainless steel fastener samples)
Productivity
50,000,000 pieces/month.
Payment Modes
T/T, L/C, US dollars, Euros, or RMB.
Benchmark
ISO9000, IATF16949, RoHS, REACH.
Manufacturing Flow
Raw material procurement and inspection: To make the stainless steel pan head screws, we select high-quality 304 stainless steel materials, which have good corrosion resistance, strength, and toughness. After the materials arrive, we strictly inspect the chemical composition, mechanical properties, etc.
Hexagonal nut production: The first step is cold heading, where high pressure is applied to the stainless steel wire at room temperature to initially form the shape of the hexagonal nut. The second step is thread processing, and the last step is a surface treatment, which forms a passivation film on the surface of the nut; other surface treatment methods, such as electroplating, can be selected according to needs for Metal Steel Screw Hardware Fasteners.
Flat gasket production: First, punching and blanking. Using a punch press and a specific mold, the stainless steel sheet is punched into a round flat gasket blank. Then, the surface is treated to improve its corrosion resistance.
Spring gasket production: First roll into shape to ensure that the spring gasket has appropriate elasticity and compression. Then, heat treatment is performed to adjust the spring gasket's hardness and elasticity. Finally, surface for stainless steel pan head screwstreatment is performed.
Quality inspection: The finished hexagon nuts, flat washers, and spring washers are subject to multiple quality inspections, including dimensional accuracy measurement, appearance inspection, and performance testing for Threaded Fastener Screws.
Packaging and warehousing: Qualified components are packaged according to customer requirements to ensure that the Stainless Steel Fastener are not damaged during transportation and storage.
Packaging Shipment
Inner bag packaging
First, the product is carefully packaged in high-quality plastic bags to ensure that the Metal Steel Screw Hardware Fasteners is initially protected and effectively blocks external dust and moisture.
Carton wrapping
Next, use customized cartons to tightly wrap the stainless steel pan head screws packed in plastic bags to provide further cushioning protection.
Packing
After that, put the wrapped Threaded Fastener Screws neatly into the outer cartons of suitable size, and arrange the product positions reasonably.
Pallet assembly
After that, the outer cartons filled with Stainless Steel Fastener are placed on the outer pallet in an orderly manner, and the pallet load is ensured through a reasonable layout.
Lamination reinforcement
Finally, the outer pallet and the entire product are covered with a moisture-proof film and firmly reinforced with cable ties to fully resist the risk of moisture and possible displacement during transportation, ensuring that the product is safely delivered to the destination.
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