Top 10 Spiral Roll Pin Manufacturers in China

What Are Spiral Roll Pins?

Spiral roll pins, also known as coiled spring pins, are cylindrical fastening components manufactured by rolling a metal strip into a spiral-shaped structure. Unlike solid pins, the multi-coil design allows the pin to compress during installation and maintain continuous radial force after being inserted into a hole.

This structure helps improve vibration resistance, shock absorption, and load distribution in mechanical assemblies. Spiral roll pins are commonly selected for applications where components need reliable positioning while allowing slight flexibility during operation.

Compared with slotted spring pins, spiral roll pins provide more uniform stress distribution because the rolled layers share the load during assembly. This makes them suitable for applications involving repeated movement, impact loads, and dynamic operating conditions.

Manufactured by experienced spiral roll pin manufacturers, these pins are available in different materials, sizes, and duty ratings to meet various industrial requirements. Common materials include carbon steel, stainless steel, and alloy steel, with surface treatments available for corrosion protection and improved service performance.

Types of Spiral Roll Pins Available from China Manufacturers

China suppliers provide different types of spiral roll pins to meet application requirements across various industries. Buyers usually select the pin type based on load conditions, installation environment, material requirements, and expected service life.

Standard Duty Spiral Roll Pins

Standard duty spiral roll pins are commonly used for general fastening and positioning applications. They provide balanced strength and flexibility for mechanical assemblies where moderate loads are involved.

These pins are widely used in industrial equipment, general machinery, and component assembly.

Heavy Duty Spiral Roll Pins

Heavy duty spiral roll pins are designed for applications requiring higher shear strength and greater resistance to impact loads.

They are commonly used in automotive systems, heavy machinery, drive mechanisms, and assemblies exposed to repeated stress.

For buyers sourcing heavy duty spiral roll pins from China, manufacturers usually provide customized dimensions, materials, and heat treatment options according to application requirements.

Light Duty Spiral Roll Pins

Light duty spiral roll pins are suitable for smaller assemblies and applications with lower load requirements.

Their flexible structure allows easier installation while reducing the risk of damaging mating components. They are often used in electronics, small mechanisms, and lightweight equipment.

Stainless Steel Spiral Roll Pins

Stainless steel spiral roll pins are selected for applications requiring better corrosion resistance and environmental durability.

They are commonly used in food processing equipment, medical devices, outdoor equipment, and applications exposed to moisture or chemical environments.

Custom Spiral Roll Pins

Many industrial buyers require non-standard dimensions, special materials, or specific performance requirements. Custom spiral roll pin manufacturers can produce pins according to customer drawings, specifications, and application conditions.

Spiral roll pins, also known as coiled spring pins, are widely used in automotive components, industrial machinery, electronic equipment, and mechanical assemblies. Compared with traditional solid pins, the coiled structure allows the pin to absorb shock, reduce stress concentration, and maintain reliable fastening performance under vibration and repeated loads.

China has become an important sourcing market for spiral roll pin manufacturers, providing standard and customized solutions for global distributors, OEM companies, and industrial buyers. When choosing a supplier, buyers usually focus on manufacturing capability, material options, dimensional accuracy, quality control, and OEM service.

This article lists 10 companies related to spiral roll pin manufacturing in China. The ranking is not based on company size or sales volume but focuses on companies that provide spring pin products and industrial fastening solutions.

Top 10 spiral roll pin Manufacturers in China(In No Particular Order )

Anhui Pins Metal Products Co., Ltd.

Anhui Pins Metal Products Co., Ltd. is a China-based manufacturer focusing on precision metal fastening components, with experience in the production of spiral roll pins, Slotted Spring Pins, Tooth Spring Pins, dowel pins, and other industrial pin products.

Unlike suppliers that mainly provide standard fasteners from stock, Anhui Pins works with industrial customers on product development, specification adjustment, and customized production. The company integrates product design, manufacturing, and sales to support OEM projects and long-term supply requirements.

As a spiral roll pin manufacturer in China, Anhui Pins provides coiled pin solutions for applications where controlled flexibility, vibration resistance, and reliable positioning are required. The rolled structure of coiled spring pins allows the pin to compress during installation and maintain continuous radial force inside the assembly.

The company supplies different types of pin products, including coiled spring pins, spring roll pins, slotted spring pins, dowel pins, and customized precision pins. Buyers can select different materials and surface treatments according to application requirements, including stainless steel, carbon steel, alloy steel, black oxide, phosphating, zinc plating, and other protective finishes.

For customers searching for a coiled spring pin supplier in China, Anhui Pins provides production based on customer drawings, standards, and technical specifications. The company supports:

• Standard and non-standard pin manufacturing
• Custom dimensions and special designs
• OEM production for industrial customers
• Material and surface treatment selection
• Bulk production for distributors and manufacturers

Its manufacturing capability covers processes including raw material preparation, forming, grinding, heat treatment, and surface treatment, helping maintain consistency across large production batches.

Anhui Pins' custom spiral roll pins are used in various industries, including automotive components, industrial equipment, mechanical assemblies, electrical products, and precision machinery. For companies that need a reliable spiral roll pin supplier in China, the company provides solutions based on both standard requirements and application-specific designs.

Shanghai Sea Song Co., Ltd.

Shanghai Sea Song Co., Ltd. is a supplier of industrial fasteners and mechanical components in China, providing spring pins, coiled pins, dowel pins, retaining rings, washers, and other standard fastening products.

The company focuses on supplying a wide range of standardized fasteners for distributors and industrial buyers. Its product portfolio includes coiled spring pins, spring pins based on ISO and DIN standards, and other connection components used in machinery and equipment assembly.

For customers looking for a spiral roll pin supplier in China with multiple fastener categories, Shanghai Sea Song provides convenient sourcing options for mixed orders. Its product range makes it suitable for buyers who need different fastening parts from one supplier.

The company mainly serves applications including mechanical equipment, automotive components, industrial assembly, and general engineering projects.

PINTECH Machinery (Shaoxing) Co., Ltd.

PINTECH Machinery (Shaoxing) Co., Ltd. focuses on precision pin and roller manufacturing, supplying dowel pins, spring pins, knurled pins, cylindrical rollers, and needle rollers.

Compared with suppliers covering a wide range of hardware products, PINTECH concentrates more on precision positioning components. The company provides customized pin solutions for customers requiring accurate dimensions and stable assembly performance.

Its product range includes spring pins and coiled spring pins, which are commonly used in mechanical positioning and fastening applications.

For manufacturers searching for a precision pins manufacturer in China, PINTECH provides OEM production and customized specifications according to customer requirements.

Shenzhen Huaxianglian Hardware Co., Ltd.

Shenzhen Huaxianglian Hardware Co., Ltd. is a precision hardware supplier located in Guangdong, focusing on customized metal components and OEM manufacturing.

The company provides various precision hardware parts for industries requiring small-size metal components and customized production.

For buyers looking for custom spiral roll pins and other precision fastening parts, Shenzhen suppliers can provide flexible production options, especially for projects involving customized dimensions and special material requirements.

Its location in Shenzhen also provides advantages for customers involved in electronics, automation equipment, and precision manufacturing industries.

Ningbo Yinzhou Sokun Import and Export Co., Ltd.

Ningbo Yinzhou Sokun Import and Export Co., Ltd. supplies spiral pins, spring pins, and related fastening products for international customers.

The company focuses on export-oriented supply services, helping overseas buyers source standard fastening products from China.

Its product range includes spiral roll pins and other mechanical fasteners used in industrial applications. For distributors searching for a spiral roll pin supplier, Ningbo suppliers are often selected because of their export experience and flexible sourcing channels.

Handan Haoqiang Fasteners Manufacturing Co., Ltd.

Handan Haoqiang Fasteners Manufacturing Co., Ltd. is involved in the production of various fasteners, including spring-type pins and related fastening products.

Handan is one of China's important fastener manufacturing areas, with many factories specializing in metal forming and standard fastener production.

The company mainly focuses on conventional fastening products and bulk supply. For buyers purchasing standard-size components, manufacturers in this region can provide competitive production solutions.

Fast Hardware Electronic Co., Limited

Fast Hardware Electronic Co., Limited provides precision hardware products and fastening components for industrial customers.

The company supplies stainless steel and carbon steel fastening products, including spring-type roll pins and related metal parts.

Its product offering is suitable for buyers requiring different material options, especially stainless steel components for applications where corrosion resistance is required.

For companies sourcing stainless steel spiral roll pins from China, suppliers with multiple material choices can provide more application-based solutions.

Zhejiang Fastener Manufacturers

Zhejiang is one of China's major hardware manufacturing regions, with a large number of factories producing industrial fasteners and precision metal parts.

Manufacturers in this region provide various products including spring pins, roll pins, screws, washers, and customized components.

Many Zhejiang suppliers support OEM production, customized packaging, and export services.

For overseas buyers searching for a spring roll pin factory in China, Zhejiang manufacturers are commonly considered due to their mature supply chain and manufacturing resources.

Jiangsu Precision Fastener Suppliers

Jiangsu has developed a strong industrial manufacturing base covering machinery parts, automotive components, and precision hardware.

Local fastener suppliers provide mechanical connection products for equipment manufacturers and industrial customers.

Compared with general hardware suppliers, Jiangsu manufacturers often focus on engineering applications and production processes related to industrial machinery.

Companies requiring customized fastening components can find suppliers offering machining, heat treatment, and surface finishing services.

Dongguan Precision Hardware Manufacturers

Dongguan is recognized for precision manufacturing and customized hardware production.

Manufacturers in this region mainly serve electronics, automation, and machinery industries where small precision components are required.

Dongguan suppliers provide flexible production services, including OEM projects, customized metal parts, and small-batch manufacturing.

For buyers looking for custom pin manufacturer in China, Dongguan factories can provide additional manufacturing support beyond standard fastener supply.

How to Choose a Spiral Roll Pin Manufacturer in China?

Choosing the right supplier is important for companies purchasing spiral roll pins in bulk. Besides product price, buyers should evaluate manufacturing capability, customization options, and quality control processes.

Manufacturing Capability

A suitable spiral roll pin manufacturer in China should have stable production processes and the ability to maintain consistent dimensions across large orders.

Important factors include:

• Production equipment
• Manufacturing experience
• Batch production capability
• Inspection procedures

These factors directly affect assembly performance and product consistency.

Material and Surface Treatment Options

Different applications require different material properties.

Common choices include:

• Carbon Steel for general industrial applications
• Stainless Steel for corrosion resistance
• Alloy Steel for higher strength requirements

Surface treatments such as zinc plating, phosphating, and protective coatings can improve corrosion resistance and extend service life.

Customization and OEM Support

Industrial buyers often need pins that match specific assembly requirements. A manufacturer offering OEM spiral roll pins should be able to produce according to customer drawings, samples, or technical specifications.

Customization services may include:

• Special sizes
• Non-standard designs
• Material selection
• Packaging solutions

Quality Control

Reliable suppliers should have inspection procedures covering:

• Diameter and length measurement
• Material verification
• Hardness testing
• Surface finish inspection

For companies looking for a long-term coiled spring pin supplier, quality consistency is a key factor when selecting a manufacturing partner.