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Precision Fasteners for Industry

Shanghai Sea Song Co., Ltd. is a trusted supplier of high-quality industrial fasteners including retaining rings, circlips, washers, keys, pins, and more. Engineered to meet international standards and built for reliability.

About Shanghai Sea Song

Founded in 2010, Shanghai Sea Song Co., Ltd. is a professional supplier of various fasteners used in mechanical, automotive, aerospace, and industrial engineering applications. We specialize in precision-engineered components that meet international standards such as DIN, ISO, and ANSI.

Our product range includes retaining rings, circlips, washers, keys, pins, lock nuts, eye bolts, grease nipples, and more. With a strong focus on quality, consistency, and customer service, we have built long-term partnerships with clients across Asia, Europe, and North America.

  • ISO & DIN Compliant
  • Stainless Steel & Carbon Steel Options
  • Global Export Experience
  • Custom Sizes & Materials Available
Industrial Fasteners

Our Product Range

We offer a comprehensive selection of industrial fasteners designed for durability, precision, and performance under demanding conditions.

Retaining Ring DIN471

Retaining Ring DIN471

External circlip for shafts, stainless steel or carbon steel, DIN471 standard.

Standards: DIN471, D1400, A
Serrated Lock Washer

Serrated Lock Washer

Toothed washer for high-vibration environments, DIN6798 A/J/V compliant.

Types: A, J, V | Material: Steel, SS
Internal Circlip DIN472

Internal Circlip DIN472

Internal retaining ring for bores, DIN472 / D1300 / J standard.

Precision stamped, corrosion-resistant options
Machine Key DIN6880

Machine Key DIN6880

Parallel keys for shaft-hub connections, carbon or stainless steel.

Available in long bars (1000mm)
E Ring Clip DIN6799

E Ring / Clip DIN6799

E-shaped retaining ring for quick assembly, DIN6799 / D1500 / RA.

Ideal for light-duty shaft retention
Stainless Steel Circlip

Stainless Steel Circlip

Corrosion-resistant external and internal circlips, DIN471/472.

A2/A4 Stainless Steel | High durability
Snap Ring

Snap Ring

Elastic retaining rings for shafts and housings, various profiles.

Carbon steel, spring steel, stainless options
Wave Washer

Wave Washer

Spring washers with wave profile for preload and vibration damping.

Precision formed | Multiple waves
Woodruff Key

Woodruff Key

Semi-circular keys for tapered shafts, precise fit and torque transmission.

DIN6888 | Carbon & SS variants
Lock Nut

Lock Nut

Prevailing torque nuts with nylon insert or metal locking features.

DIN980, DIN985 | Reusable locking
Eye Bolt

Eye Bolt / Eye Nut

Lifting and rigging components with threaded shank and eye.

Forged steel | High tensile strength
Grease Nipple

Grease Nipple

Zerk fittings for lubrication systems, durable brass or steel body.

Standard & metric threads | 45° & 90°

Why Choose Shanghai Sea Song

We deliver quality, consistency, and technical expertise in every fastener we supply.

Quality Assurance

All products undergo strict quality control and are tested to meet international standards.

Fast Delivery

Efficient logistics and global shipping ensure your orders arrive on time.

Customer Support

Dedicated team available for technical consultation and order assistance.

Custom Solutions

We offer custom sizes, materials, and packaging to meet your specific needs.

Global Compliance

Products conform to DIN, ISO, ANSI, and other international specifications.

Competitive Pricing

Direct factory pricing with volume discounts and long-term partnership benefits.

Get in Touch

Reach out for product inquiries, technical support, or custom orders.

+(0592)-1234567
arthur@shseasong.com
Rm. 2501, Sunshine World Mansion, No. 2000 Pudong Avenue, Pudong New District, Shanghai, China

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