New Products

Special-Shaped Screw

Special shape screws refer to screw fasteners whose heads, stems, threads or overall geometry are specially designed to match specific assembly requirements or working conditions. The design and functions of such products exceed the conventional shape categories specified by national standards (GB, ISO, DIN, etc.) and are typical customized non-standard screws.

Read More Send Inquiry

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.

Read More Send Inquiry

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.

Read More Send Inquiry

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.

Read More Send Inquiry

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.

Read More Send Inquiry

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.

Read More Send Inquiry

Latest News

Cold Heading Parts Manufacturing: Precision, Efficiency and the Role of Wenzhou Riyi Standard Parts
2026-07-13
In modern mechanical manufacturing, cold heading parts have become essential components in automobiles, home appliances, construction hardware, electronic connectors and aerospace equipment.
Application and Advantages of Cold-Formed Precision Automotive Hardware Parts
2026-07-06
Automobile component fasteners and cold-molded non-standard parts are core basic hardware components that support modern automobile and precision machinery manufacturing.
Non-standard Stainless Steel Nuts → Stainless Steel Custom Nuts for Harsh Working Environments
2026-06-29
In modern mechanical manufacturing, standard fasteners can no longer meet all assembly requirements. Non-standard hexagonal nuts have gradually become essential customized hardware for special equipment, new energy equipment and electrical cabinets.
Riyi Standard Parts: Professional Manufacturer of Stainless Steel Fasteners
2026-06-15
Riyi Standard Parts is a reliable professional manufacturer focusing on the production and supply of various stainless steel fasteners.