Custom Ball Head Screw Bolts | High Strength Alloy Steel / Stainless

Place of Origin : XiaMen, China

Model : CNC-23

Color : Yellow,Sliver

MOQ : 1pcs

Packing : Plastic Bag+carton+pallet

Delivery time : 7-25 Working Days

Service : OEM\ODM

Sample : Available

Quality : 100% Qualified

Logo : Accept Customized Logo

Material : Stainless Steel

Description

Custom Load-Bearing Ball Head Screw Bolts – Alloy Steel / Stainless Steel

Solve loose or corroded fasteners in heavy-duty applications with our custom ball head / eye bolts.

• High tensile strength ≥1000 MPa (alloy steel) or marine-grade 316 SS

• Adjustable articulation for misalignment compensation

• Precision CNC ±0.01mm – no galling, easy assembly

• Load capacity customizable up to 40 kN (4 tons)

• Ideal for automation arms, machinery linkages, medical devices, aerospace fixtures

Stainless Steel Ball Head Bolts in Various Sizes
Custom Load-Bearing Ball Head Screw Bolts - Alloy Steel / Stainless Steel
Heavy-Duty Eye Bolts for Lifting Applications

Product Overview

Our custom ball head bolts are precision-engineered fasteners designed to provide superior articulation and load-bearing capabilities in demanding applications. Unlike standard fasteners, these specialized components allow for controlled movement while maintaining structural integrity, making them ideal for dynamic systems where misalignment compensation is critical.

Each bolt is manufactured using state-of-the-art CNC machining centers to ensure exacting tolerances and consistent performance. We offer complete customization to meet your specific design requirements, from material selection to geometric configuration.

Precision Ball Head Bolts for Automation Equipment

Core Technical Advantages

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Precision Machining

CNC Swiss-type turning with ±0.01mm tolerance on critical dimensions

⚙️

Articulation Design

Engineered for smooth movement and misalignment compensation

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Material Expertise

Specialized alloys with optimized mechanical properties

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Corrosion Resistance

Advanced surface treatments for harsh environments

Technical Specifications

Parameter Details Value Test Standard
Thread Size Metric/UNC/UNF M6-M30 / #10-1″ ISO 898-1
Ball Diameter Standard Sizes 10-50mm Custom
Length Range Total Length 20-300mm DIN 933
Swing Angle Articulation Range ±15-30° Custom
Tolerance Critical Dimensions ±0.01mm ISO 2768
Load Capacity Working Load Limit Up to 40 kN (4 tons) ASME B30.26
Fatigue Life Cycle Count ≥10^6 cycles ASTM E466

Material Comparison

Property Alloy Steel (40Cr/42CrMo) 304 Stainless Steel 316 Stainless Steel
Tensile Strength ≥1000-1400 MPa ≥520 MPa ≥550 MPa
Hardness (HRC) 28-36 18-22 18-24
Corrosion Resistance Good (with coating) Excellent Superior (marine grade)
Salt Spray Test 24-48 hours 168 hours 500+ hours
Temperature Resistance Up to 500°C Up to 800°C Up to 870°C
Price Relative Lowest Medium Highest
Best For High load, high strength applications General industrial use Marine, chemical, food industries

Why Choose Our Custom Ball Head Bolts?

vs Standard Fasteners

  • Custom Articulation: Solves misalignment issues in dynamic applications
  • Longer Life: Superior fatigue resistance in vibration/heavy load environments
  • Precision Fit: CNC machining ensures perfect fit for your specific design
  • Material Selection: Choose the optimal material for your application
  • Performance Optimization: Tailored to your exact load and movement requirements

Our Competitive Advantages

  • DFM Expertise: Design for manufacturability optimization
  • Small MOQ: Sample orders from 1 piece available
  • Fast Turnaround: 24h quote, 7-15 days sample delivery
  • Full Traceability: Material certificates and inspection reports
  • Engineering Support: Technical assistance throughout the design process

Real-World Applications

Industrial Machinery Fasteners Application
High-Strength Alloy Steel Bolts in Heavy Machinery
Precision Ball Head Bolts for Automation Equipment

Used in European automation lines – reduced downtime by 40% compared to standard fasteners

Detailed Application Areas

Industrial Robotics

  • • Robotic arm joints and linkages
  • • End-effector attachments
  • • Gripper mechanisms
  • • Collaborative robot safety systems
  • • Precision positioning systems

Enables smooth movement and precise positioning in high-cycle applications

Automation Equipment

  • • Conveyor systems and linkages
  • • Assembly line mechanisms
  • • Indexing tables and rotary stages
  • • Pick-and-place machines
  • • Packaging machinery

Compensates for manufacturing tolerances and thermal expansion

Medical Devices

  • • Imaging equipment fixtures
  • • Surgical instrument articulation
  • • Patient positioning systems
  • • Diagnostic equipment mounts
  • • Rehabilitation devices

Provides precise, smooth movement in critical medical applications

Aerospace & Defense

  • • Ground support equipment
  • • Test fixture articulation
  • • Avionics mounting systems
  • • Weapon system components
  • • Satellite deployment mechanisms

Meets stringent performance and reliability requirements

Customization Process

1

Upload Drawing

Submit your CAD file or technical drawing

2

DFM Analysis

24h design for manufacturability review

3

Quote & Approval

Receive detailed quotation and lead time

4

Production

Precision manufacturing and quality control

5

Delivery

Fast shipping with full documentation

Quality Assurance

🏭

IATF 16949 / ISO 9001 Certified

Our manufacturing facilities are certified to international quality standards, ensuring consistent performance and reliability.

📄

Material Certifications

Full traceability with EN10204 3.1 material certificates and RoHS/REACH compliance documentation.

🌍

Global Export Experience

Export to US/EU/JP since 2015 with proven track record of meeting international standards and customer requirements.

Customer Feedback

“The custom ball head bolts we received have been performing flawlessly in our robotic end-effectors. The precision machining and material quality exceed our expectations. We’ve seen a 40% reduction in downtime compared to our previous suppliers.”

– European Automation Systems Integrator

Technical Documentation & Support

Comprehensive Technical Support

  • 📐
    Design Assistance: Our engineering team can help optimize your ball head bolt design for manufacturability and performance
  • 📊
    Performance Data: Complete material test reports, load capacity charts, and fatigue analysis available upon request
  • 📄
    Documentation Package: Includes CAD files, material certificates, inspection reports, and installation guidelines
  • 🔧
    Installation Support: Technical guidance for proper installation and maintenance procedures

Available Documentation

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Material Certificates

EN10204 3.1, Mill Test Reports

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Test Reports

Tensile, Hardness, Fatigue Testing

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CAD Files

STEP, IGES, SolidWorks, AutoCAD

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Installation Guide

Torque specifications, maintenance procedures

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Compliance Documents

RoHS, REACH, FDA, NSF certifications

Frequently Asked Questions

What is the maximum load capacity and swing angle?

Our ball head bolts can be customized to handle loads up to 40 kN (4 tons) depending on size and material. The swing angle typically ranges from ±15° to ±30°, with special designs available for larger articulation needs.

Can I get samples in 316 stainless steel?

Yes, we offer samples in all material options including 316 stainless steel. Sample MOQ is 1 piece, with delivery in 7-15 days. We can also provide material certificates for your testing and qualification needs.

What file formats do you accept for drawings?

We accept all major CAD formats including STEP, IGES, DXF, DWG, and SolidWorks files. For simple designs, we can also work from PDF drawings or technical specifications. Our engineering team will provide DFM feedback within 24 hours of receiving your files.

Do you ship to US/EU? Are there duties and taxes?

Yes, we ship worldwide using reliable carriers like DHL, FedEx, and UPS. Duties and taxes are the responsibility of the buyer and vary by country. We can provide commercial invoices with detailed harmonized codes to facilitate customs clearance.

What surface treatments are available?

For alloy steel: zinc plating, black oxide, hot dip galvanizing, passivation. For stainless steel: passivation, electropolishing, PTFE coating. We can also apply custom coatings based on your specific environmental requirements.

What is your quality control process?

We implement a comprehensive quality control system including: incoming material inspection, in-process dimensional checks, surface finish verification, mechanical property testing, and final inspection with coordinate measuring machines. All products come with a 100% quality guarantee.

Can you help with design optimization?

Absolutely. Our engineering team specializes in design for manufacturability (DFM) and can provide recommendations to improve performance, reduce costs, and ensure reliable production. We offer free DFM analysis with every custom inquiry.
Please be sure to describe the specific customization requirements in detail. Otherwise, we will ignore the submitted content.