New Products

Special-Shaped Screw

Stainless Steel Internal Heart-Shaped Anti-Theft Screws

This product is a typical special-shaped fastener. The head adopts an inner plum blossom with column anti-theft groove. It can only be assembled and disassembled with special tools, effectively preventing human damage.

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Special-Shaped T-Head Screws

Specially shaped T-head screws are a type of non-standard fastener whose head is designed in a "T" shape and is often accompanied by personalized or functional special contours.

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Hexagon Socket Double Joint With Internal And External Teeth

The external hexagonal double-section internal and external thread joint is an efficient and reliable connector in the pipeline system. It is specially designed to solve the conversion and connection of pipe fittings of different specifications, different threads or different materials. Its structure is exquisite, and both ends are processed with threads.

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Stainless Steel Countersunk Head Inner Square Self-Tapping Screws

This product is a high-performance fastener, made of high-quality stainless steel, with excellent rust and corrosion resistance, and is suitable for various harsh environments. Its core feature is the square hole embedded in the head, which can withstand greater torque, effectively prevent the screwdriver from slipping during tightening, and make the connection stronger and more reliable.

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Nickel Plated Diamond Shaped Screw

Diamond screws, also known as square screws, are fasteners with a unique rhombus (square) head structure. This special design is its core value and requires the use of a special diamond socket wrench for installation and removal. Its main features are excellent anti-tampering and certain anti-theft properties.

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Stainless Steel Internal Plum Blossom-Shaped Countersunk Screw

Stainless steel torx countersunk head screws are high-end fasteners that combine appearance, anti-loosening and excellent performance. The head adopts a unique countersunk head design and an inner plum blossom (commonly TORX) notch combination, which not only provides strong fastening force, but also achieves a smooth installation surface and an efficient assembly experience.

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Latest News

Wenzhou Riyi: Leading Supplier of Cold Heading Non-Standard Parts and Non-Standard Carbon Steel Parts
2026-04-14
In the industrial manufacturing sector, the demand for customized components is constantly growing, as standard parts can no longer meet the diverse and complex needs of modern equipment.
The Indispensable Partner for Custom Fasteners: Wenzhou Riyi Standard Parts Co., Ltd.
2026-04-07
In the intricate landscape of European industrial manufacturing, the demand for precision, reliability, and bespoke solutions is paramount.
What Is a T Screw? Understanding Its Design and Applications
2026-04-05
In the world of mechanical engineering and industrial assembly, T screws—also known as T-shaped screws or T-head bolts—play a crucial role in providing strong, adjustable, and reliable fastening solutions. But what exactly is a T screw, and why has it become such an essential component across various industries?
The Growing Role of Non-Standard Screws in Modern Manufacturing
2026-04-02
In today’s advanced manufacturing and industrial landscape, non-standard screws are becoming increasingly vital for applications that demand customized performance, precision, and durability. Unlike standard fasteners, non-standard screws are engineered to meet specific design requirements, ensuring that products perform reliably under unique conditions across diverse industries.