
This product is an embedded nut with an anti-slip structure at the pre-embedded end. It is cold-forged or machined, ensuring a secure connection after embedding into the workpiece. The high-precision internal thread allows for subsequent bolt tightening, making installation convenient. The entire series is customizable, with most standard specifications readily available. The surface is rust-proofed, meets quality control standards, and complies with environmental regulations. Compliance documentation can be provided. Custom sizes and anti-slip structures are supported.
Customized according to the drawing
Metric: Thread M3~M20, outer diameter 5mm~25mm, length 5mm~50mm, pre-embedded end with anti-slip teeth/thread; Imperial: Thread #6-32~#10-32, length 3/16"~2".
Carbon steel grades 4.8, 6.8, and 8.8; stainless steel grades A2-50, A2-70, A4-70, and A4-80; non-ferrous metals grade not lower than 4.8.
High-quality low-carbon steel, medium-carbon steel, alloy steel, 304 stainless steel, 316 stainless steel, brass, aluminum alloy, etc.
Environmentally friendly blue-white zinc, colored zinc, black zinc, environmentally friendly nickel plating, zinc-nickel alloy plating, Dacromet coating, electrophoresis, PVD, stainless steel natural color, stainless steel passivation, etc.
Concrete, plastic parts, wood, building components, etc., are suitable for scenarios that require pre-embedded fixing and subsequent detachable connection. The workpiece is embedded in advance to facilitate subsequent assembly.
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 Embedded Nut Suppliers and Wholesale Embedded NutExporter && 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...