Products
Non-Standard Parts
High Strength Three Point Welding Pin
Three-point welding tip pin is a special positioning and connecting element. Its main body is usually a cylindrical pin body, one end is processed into a tapered tip, and the other end is a flat end face. Its core feature is that there are three evenly distributed raised points on the surface of the pin body, which are specially designed for the resistance welding process.
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Knurled Wheel Hub Bolts
A knurled hub bolt is a high-strength fastener designed to secure a wheel hub to a vehicle's driveshaft. Its most distinctive identifying feature is the three-dimensional anti-slip texture (usually cross-hatch or straight texture) precisely rolled into the head of the bolt.
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Cylindrical Galvanized Hollow Bushing
Galvanized hollow bushing is a hollow cylindrical non-standard part with galvanized surface treatment. Its main body is usually made of metal pipes, and its surface is covered with a layer of zinc using electroplating or hot-dip plating. The product's primary function is to serve as an internal skeleton or sleeve that supports, positions, isolates or protects, installed in holes or between components of equipment.
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Stainless Steel Hexagon Socket Oil Plug With O-Ring
The external hexagonal oil plug is a key basic component in the lubrication and sealing system of mechanical equipment. It is widely used in boxes, oil pools or pipelines of gearboxes, reducers, hydraulic systems, engines and various industrial equipment.
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Carbon Steel Hot-Forged Elastic Pin
The hot forged elastic pin is a metal connecting piece made by precision hot forging process. Its main body is usually cylindrical and has a through gap along the axial direction. During the production process, the steel is forged with precision dies at high temperatures, and the internal metallographic structure is optimized to form dense and coherent fiber streamlines.
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Carbon Steel Ball Head Step Pin For Mechanical Joints
The ball head step pin is a hard standard part used for precision mechanical positioning and connection. Its typical construction consists of two core parts: a precisely ground ball head at one end and a cylindrical pin body with a defined shoulder (step) at the other end. This component mainly performs two functions.
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Standard and Non-Standard Hardware: Best Choice for Buyers
2026-05-25When buying hardware and fasteners for machines and production, buyers usually need two kinds of products: standard parts and non-standard custom parts.
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Non-Standard Nuts: Core Advantages and Professional Customization from Wenzhou Riyi Standard Parts Co., Ltd.
2026-05-20In the fast-paced industrial world, standard nuts often fail to meet the specialized needs of complex equipment and custom projects.
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Wenzhou Riyi: Your Trusted Manufacturer & Supplier of Custom Non-Standard Screws
2026-05-12In today’s competitive industrial landscape, non-standard parts are critical for meeting unique engineering and assembly requirements.
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The Growing Market Demand for Non-standard Screws and Bolts: Riyi Standard Parts’ Response
2026-05-06In the global manufacturing landscape, the demand for customized fasteners has been soaring in recent years, driven by the rapid development of high-end equipment manufacturing, new energy, aerospace, and precision instrumentation industries.
