Your Trusted Global Fastener Partner – 51fasteners

Mission: Deliver innovative and reliable fastener solutions to create lasting value for customers

Vision: Connecting the world with excellence, your preferred fastening partner.

Core Value: Integrity as foundation, transparency for mutual benefit, efficiency for long-term success.

51Fasteners Your No. 1 Sourcing Hub

51Fasteners — We Want Your Success. Global Sourcing, Simplified; One-Stop Fastener Solutions for Every Industry.

51Fasteners provides high-quality customized fastener solutions for the automotive, construction, bridge, machinery, medical, renewable energy, and electronics industries.

We partnered with top-tier Chinese manufacturers compliant with ISO/GB/DIN standards to establish 51Fasteners, addressing the challenges of overseas procurement—supplier audits, quality control, and timely delivery—and offering overseas users a one-stop platform for high-quality fasteners.

Through digital supply chain management and localized support, 51Fasteners optimizes the procurement process for fasteners made from materials such as carbon steel, stainless steel, titanium, and nylon (from standard to custom designs), transforming “Made in China” into your competitive advantage.

With over a decade of professional experience, 51Fasteners collaborates with 10 core manufacturers specializing in cold forming, hot forging, CNC machining, and surface finishing, producing fasteners ranging from 0.5mm micro screws to 120mm giant bolts. By combining standardization with customization, we meet the needs of critical applications.

Diverse Fastener Solutions

51Fasteners provides professional fastener solutions based on the actual usage of customers, including: stainless steel fastener locking solutions, anti-loosening, anti-leakage and anti-vibration solutions, fastener locking solutions, Dacromet and hot-dip galvanizing scratch/repair solutions, rust prevention and rust removal solutions, harsh environment fastener selection solutions, etc.

Lean Manufacturing

51Fasteners redefines precision fastening solutions. From prototype verification to mass production, we use lean manufacturing techniques to provide the best value for money across a range of industries.

Quality First

51Fasteners is ISO 9001 certified. Whether you are a Fortune 500 company or a small business, we provide consistent, exceptional service.

Production Line

Screw Production Line

Bolt Production

Bolt Production Line

workshop

Nut Production Line

Heat-Treatment-Line

Heat Treatment Line

Manufacturing Equipment

  • 1000+ production and testing related equipment
  • 30000㎡ enterprise production and manufacturing base

Threading Machine

Cold forming machine

Cold Forming

Tempering Furnace

CNC Machine

Quality Inspection

We strictly implement various testing procedures, including a full range of items such as product appearance, dimensions, performance, hazardous substances, mechanical strength (impact/torque/tension), material properties (forging flow/hardness/metallurgy/hydrogen embrittlement), and durability (coatings/salt spray test).

Salt-spray-test-equipment

Salt Spray Tester

Universal Tensile Testing Machine

Universal Tensile Testing Machine

Rockwell-Hardness-Tester

Rockwell Hardness Tester

Spectral Analyzer

51Fasteners – We’re Your Long-Term Support Partner

Customer Inquiry

Submit your requirements via our online form or email info@51fasteners.com, our experts will respond within 2 hours.

Requirement Confirmation

Our engineers will confirm all technical details including: Material requirements, Dimensional specs, Surface coating, Special performance needs.

Make Quotation

Transparent quotation includes: Detailed product specs, Accurate lead time, Quality guarantee terms.

Sample Validation

Samples delivered within 15 workdays with: Inspection report, Material certification, Performance test data.

Mass Production

Advanced production management: Full-process quality tracking, 99.2% on-time delivery, Flexible capacity adjustment, Strict packaging standards.

After-Sales Service

We value every customer’s feedback and continuously optimize our services.