New Products

Non-Standard Fasteners

Copper Step Bushing Fasteners

This product is a special material part, precision machined from T2 copper, with a stepped outer diameter structure, used for shoulder positioning, electrical conduction or mechanical limit. The electrical conductivity of copper material is ≥97% IACS, it has excellent thermal conductivity and is completely non-magnetic.

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Enlarged Hexagon Head Oil Plug Fastener

This product is a screw with a special shape. The size of the hexagonal head is significantly larger than that of standard parts, providing a larger wrench contact surface, making it easy to install and disassemble with high torque, and it is not easy to slip.

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Brass Step Bushing Fasteners

Brass step bushing is a bushing type part with a step structure of different outer diameters. It is usually used for positioning, spacing, guidance or wear-resistant support between the shaft and the hole.

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Brass Internal Thread Connection Fasteners

Brass internal threaded connector is a pipe fitting or fastening element with internal threads, used to cooperate with external threaded parts to achieve fastening and sealing of pipeline connections, fluid control or mechanical structures.

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Anti-Loosening Stainless Steel Left-Hand Thread Fasteners

The stainless steel left-thread screw is a specially designed fastener and transmission element. Its core feature is that the spiral direction of the thread is counterclockwise (opposite to the common right-hand thread), and the main body material is stainless steel.

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Stainless Steel Hex Bolts Fasteners

The external hexagonal screw is a basic and dominant fastener with a regular hexagonal prism head that requires a wrench or socket for installation. Its design and specifications are strictly defined by standards widely adopted around the world, ensuring versatility and interchangeability across countries and industries.

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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.