New Products

Non-Standard Screw

Flat Disc-Shaped Pan Head Hexagon Socket Screws

Pan head hexagon socket screws have a flat disk-shaped head and a hexagonal drive design. They are both beautiful and have high torque transmission capabilities.

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Non-Standard Semi-Round Colored Paint Carriage Screws

This product is a typical non-standard screw with a semicircular or mushroom head design and a square neck underneath. It is embedded into the connected piece during installation to effectively prevent the nut from rotating and achieve unilateral locking.

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Non-Standard Carbon Steel Square Screws

This product is a typical non-standard screw. The shaft adopts a square columnar structure. The head can be equipped with round head, countersunk head, etc. according to the requirements.

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Non-Standard Screw With Head Sunk And Hexagonal Shape And Glue Coating

This product is a typical non-standard screw. The head adopts a countersunk head design and is flush with the surface of the workpiece after installation.

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Non-Standard Round Head With Long Square Screws

This product is a typical non-standard screw with a rounded head for easy positioning and a long square cylinder extending below, which has both fastening and anti-rotation functions. As a special-shaped screw, its structure is integrated and has high strength.

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Non-Standard Flat Head Solid Rivet

This product is a typical non-standard screw with a flat head design that is flush with the surface of the workpiece after installation. The rod is deformed through the riveting process to form a permanent connection. It has extremely high shear resistance, vibration resistance and anti-loosening properties.

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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.