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Multi-Step Splined Shaft Screw
Multi-step spool screws are custom-made fasteners with a multi-step cylindrical shank, a flat section in the middle, and an external thread at the end. Common aliases include multi-stage stepped spool screws, stepped screws with flat sections, and stainless steel stepped screws. These screws can be made of materials such as stainless steel and carbon steel, and offer various surface treatments, including natural passivation, nickel plating, and zinc plating. Common sizes are customized to meet specific application requirements, making them suitable for various scenarios such as positioning mechanical equipment parts, fixing molds during assembly, connecting automated equipment, limiting and fixing hardware components, and connecting furniture panels. They can meet the connection and fixing needs of different equipment and structures.
- Executive Standard
- Specification Range
- Grade & Strength
- Common Materials
- Surface Treatment
- Surface Treatment
- Industry Classification
We support customized production based on customer-provided drawings or industry standards.
Available grades: Carbon steel 4.8/6.8/8.8/10.9/12.9; Stainless steel A2-50, A2-70, A4-70, A4-80
High-quality low-carbon steel, medium-carbon steel, alloy steel, 304 stainless steel, 316 stainless steel, brass, aluminum alloy, etc.
Environmentally friendly blue and white zinc, colored zinc, black zinc, hot-dip galvanized, Dacromet, natural stainless steel, stainless steel passivation
Positioning of mechanical equipment components, assembly and fixing of molds, connection of automated equipment, limiting and fixing of hardware parts, and connection of furniture panels.
Robot special parts
Do you need non-standard fasteners, precision metal parts, or custom structural components for a specific application?
Yongji helps you develop and manufacture special parts and custom products based on your drawings, samples, technical requirements, and target application scenarios.
Whether you need prototype quantities, pilot production, or stable mass supply, we provide an integrated solution from engineering review to production and delivery.
From fasteners to structural parts, Yongji offers integrated development and manufacturing for a wide range of custom precision hardware products.
Whether you need a few pieces for validation, small batches for development, or large volumes for mass production, we can support your project at different stages.
With integrated manufacturing resources in China and Vietnam, Yongji helps customers achieve stable quality, scalable production, and reliable delivery.
Yongji Precision Hardware is a global manufacturer specializing in precision fasteners and metal structural components. We are China Multi-Step Splined Shaft Screw Suppliers and Wholesale Multi-Step Splined Shaft ScrewExporter && Company. Founded in 2003, the company has over two decades of experience serving international OEM and ODM customers across multiple industries.
With integrated manufacturing capabilities including cold heading, stamping, CNC machining and sheet metal fabrication...
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