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Non-Standard Parts

Stainless Steel T-Shaped Double-Section Locating Pins

Stainless steel T-shaped double-section positioning pin is a special component designed to achieve precise, fast, and repeatable positioning. It is a typical representative of customized non-standard stainless steel parts. It combines three functions in one part: its T-shaped head is used for quick installation and locking in the T-shaped slot; the two positioning sections with different diameters are like "guide pins".

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Stainless Steel Vertical Textured Knurled Bushing

Stainless steel vertical knurled bushing is a precision mechanical connection and fastening component, which belongs to the category of special-shaped fasteners. Its core design is to process a series of continuous, parallel straight lines (i.e. vertical knurling) on the outer cylindrical surface of the bushing through a precision rolling process.

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Stainless Steel Internal And External Threaded Bushings

Stainless steel internal and external threaded bushings (also known as "threaded sleeves", "threaded bushings" or "threaded sleeves") are a typical stainless steel non-standard screw fastener solution. Its core structure is to simultaneously process internal threads and external threads on a sleeve-shaped component, thus becoming a "thread relay station" or "thread converter".

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Square Neck Bending Bolts For Carriages

Carriage square neck bending bolts, also known as bent neck square bolts or L-shaped square neck bolts, are special structural connectors manufactured through precision cold heading and bending processes.

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Galvanized Butterfly Shaped Steel Plate

Butterfly steel plate is a specially designed structural connector named for its unique symmetrical wing-shaped structure that is similar to the spread of a butterfly's wings.

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Hexagon Socket Double-Ended Connector

The external hexagon double-head connector is a standard fastener used to achieve a rigid connection between two parts. Its main body is a metal rod with an external hexagonal column in the center, and both ends are processed with external threads of the same or different specifications to form a stud structure.

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Latest News

Standard and Non-Standard Hardware: Best Choice for Buyers
2026-05-25
When buying hardware and fasteners for machines and production, buyers usually need two kinds of products: standard parts and non-standard custom parts.
Non-Standard Nuts: Core Advantages and Professional Customization from Wenzhou Riyi Standard Parts Co., Ltd.
2026-05-20
In the fast-paced industrial world, standard nuts often fail to meet the specialized needs of complex equipment and custom projects.
Wenzhou Riyi: Your Trusted Manufacturer & Supplier of Custom Non-Standard Screws
2026-05-12
In today’s competitive industrial landscape, non-standard parts are critical for meeting unique engineering and assembly requirements.
The Growing Market Demand for Non-standard Screws and Bolts: Riyi Standard Parts’ Response
2026-05-06
In 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.