New Products

Special-Shaped Screw

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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L-Shaped Bolt

L-shaped bolts, also known as anchor bolts or hook bolts, have a unique shape. One end is a standard threaded rod, and the other end is bent into a 90-degree right-angled L shape. This design allows it to be cleverly "hooked" or "anchored" into the base material.

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Special-Shaped Screws

The counterhead hexagon grooved fixing screws are made of high-strength carbon steel, combined with counterhead design (90° cone angle) and hexagon drive structure to provide a flat mounting surface and high torque load-bearing capacity.

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Custom-Made Special-Shaped Screws

The 304 stainless steel small square screw is made of high-quality A2-70 stainless steel, with excellent corrosion resistance and oxidation resistance, and is suitable for moisture, acid and alkaline environments.

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Stainless Steel Special-Shaped Screws

The product is made of high-strength carbon steel (8.8 grade), which has undergone heat treatment and black oxide treatment. It features excellent tensile strength (≥800MPa) and rust prevention properties. The screw head is designed with a slot and embossed structure, allowing for both tightening with a wrench and quick manual disassembly.

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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.