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Screw

Aluminum Alloy T-Shaped Screw

The aluminum alloy hexagonal double-ended screws are manufactured from high-strength aluminum alloys (such as 6061-T6/7075). The conical screw design enhances the thread grip force and shock resistance. The hexagonal head structure at both ends facilitates bidirectional installation.

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Stainless Steel Shaped Screw

The stainless steel square head stepped bolt is a type of fastener with a square head and a stepped design on the shaft. It is usually made of 304 or 316 stainless steel through cold stamping processing. It has excellent corrosion resistance and high strength, and is suitable for use in harsh environments such as machinery, construction, chemical industry, and ships.

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Stainless Steel Non-Standard Screws

Wenzhou Riyi Standard Parts Co., Ltd. was established in 2014, specializing in customizing various new types of fasteners. We have a professional core R&D team and have introduced advanced multi-station cold heading equipment, emphasizing product research and innovation. Our complete production process makes our fastener products highly versatile. Our export products are sold worldwide. In 2015, the company registered the "Riyi/RIYI" brand trademark and has passed the ISO9001:2015 quality management system certification. With 10 years of industry experience, we serve the automotive, mechanical, construction and other industry fields. We are committed to providing you with one-stop fastener procurement, supporting OEM processing, customizing based on your drawings or samples, large and small batch customization, enjoying the price advantage of factory direct sales, and providing AutoCAD product design drawings. We will become your partner in China and look forward to cooperating with you to achieve cost reduction and efficiency improvement, and realize a win-win situation.

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Stainless Steel Non-Standard Nuts

The stainless steel T-shaped track nut is specially designed for T-shaped groove guide rails. It is made of 304/316 stainless steel and features excellent corrosion resistance and high strength.

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Custom-Made Non-Standard Screws

Customized non-standard screws are specially designed for special needs and can be customized with free materials (carbon steel/stainless steel, etc.), size, head shape, thread and surface treatment (such as galvanizing, Jiumeit, etc.).

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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.