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Screw

Carriage Screws

Carriage screw, also known as square neck bolt, is a classic fastener with unique structure and reliable locking. Its most distinctive feature is the one-piece square neck below the bolt head.

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Knurled Head Cylindrical Pin Screw

Knurled head cylindrical pin screw is a high-performance hardware with both fastening and positioning functions. Its unique cylindrical pin-shaped rod can achieve a tight fit with the precision holes on the base body, providing precise positioning and shear resistance, effectively preventing misalignment between components.

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Red Copper T-Shaped Screws

This copper T-shaped groove screw is a non-standard fastener specially designed for special working conditions. Its material is pure red copper, which has excellent electrical conductivity, thermal conductivity and atmospheric corrosion resistance. It is naturally antibacterial and is especially suitable for anti-magnetic and anti-corrosion environments such as power, electronics, food and medicine.

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Rivet The Vent Plug Screw

The pressure riveting vent plug screw is an innovative fastener that integrates pressure riveting installation and pressure balancing functions. The core of its design is that the lower part is a tapered thread, and the upper part is a plug body with built-in micro ventilation channels.

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Hexagonal Internal And External Thread Screws

Hexagonal internal and external thread screws, also known as blind rivet nuts, are a unique single-sided riveted fastener. Its exterior is a hexagonal structure, which can effectively prevent slipping during installation; its interior is prefabricated with standard internal threads. Its core function is to provide a strong and removable threaded base for materials that are difficult to tap, such as thin plates and pipes.

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Carbon Steel T-Screws

This bolt is specially designed for use with T-slots (such as mechanical workbenches, aluminum profile slots). When installing, put its slender head along the slot and rotate it 90 degrees. Its long head will be firmly stuck under the slot rail, thereby pre-fixing the bolt in the slot.

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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.