Custom Stainless Steel Carriage Bolt
Custom stainless steel carriage bolt is a precision-engineered fastening solution designed for applications requiring smooth surface installation, secure anti-rotation performance, and excellent corrosion resistance. The custom stainless steel carriage bolt is widely used in construction, furniture manufacturing, agricultural equipment, transportation systems, renewable energy projects, marine engineering, and OEM manufacturing where standard carriage bolts cannot meet unique design requirements.
Manufactured from premium stainless steel, the custom stainless steel carriage bolt features a round head with a square neck that prevents bolt rotation during tightening. Custom production supports various dimensions, thread specifications, head sizes, and special materials to meet specific engineering and industrial applications.
Product Overview
The custom stainless steel carriage bolt is designed to provide a secure fastening solution while maintaining a smooth, tamper-resistant surface. The square neck beneath the round head locks into wood, metal, or preformed square holes, preventing the bolt from turning during installation.
This custom stainless steel carriage bolt is ideal for structural assemblies, decorative installations, and heavy-duty industrial equipment where corrosion resistance and appearance are equally important. It is available in A2 (304), 304L, A4 (316), and 316L stainless steel to suit different environmental conditions.
As a premium industrial fastener, it offers outstanding durability, excellent corrosion resistance, and flexible OEM customization.
Product Specifications
| Item | Description |
|---|---|
| Product Name | Custom Stainless Steel Carriage Bolt |
| Material | Stainless Steel 304 (A2), 304L, 316 (A4), 316L |
| Bolt Type | Carriage Bolt |
| Head Type | Round Head with Square Neck |
| Thread Type | Metric / UNC / UNF / Custom |
| Diameter Range | M5–M30 |
| Length Range | 10mm–300mm |
| Surface Finish | Natural / Polished / Passivated |
| Strength Grade | A2-50 / A2-70 / A4-70 / A4-80 |
| Corrosion Resistance | Excellent |
| Thread Direction | Right Hand |
| Packaging | Carton / Pallet / OEM Packaging |
| Customization | Full OEM & ODM support for size, head, thread, marking, and packaging |
Technical Parameters
| Parameter | Value |
|---|---|
| Tensile Strength | 500–800 MPa (depending on material grade) |
| Yield Strength | 210–600 MPa |
| Hardness | HV 150–250 |
| Density | 7.93–8.00 g/cm³ |
| Corrosion Resistance | Excellent in humid, chemical, and marine environments |
| Operating Temperature | -196°C to 400°C |
| Thread Tolerance | 6g Standard |
| Manufacturing Standard | DIN 603 / ISO 8677 / Customer Drawings |
Materials and Manufacturing Process
The custom stainless steel carriage bolt is produced using advanced manufacturing technologies to ensure dimensional precision and reliable mechanical performance.
- Premium stainless steel raw material selection (304, 304L, 316, or 316L)
- Cold forging to form the round head and square neck
- Hot forging for large-diameter custom bolts when required
- CNC machining for non-standard dimensions and special features
- Precision thread rolling to improve fatigue resistance
- Surface polishing or passivation to enhance corrosion resistance
- Ultrasonic cleaning to remove contaminants
- Comprehensive dimensional, thread, and appearance inspection
- OEM labeling and export-grade packaging
Each custom stainless steel carriage bolt is manufactured according to customer specifications and strict industrial quality standards.
Applications of the Product
Custom stainless steel carriage bolts are widely used in:
- Construction and steel structures
- Wooden buildings and timber engineering
- Furniture manufacturing
- Agricultural machinery
- Renewable energy equipment
- Marine engineering
- Food processing equipment
- Transportation infrastructure
- Industrial equipment
- Manufacturing systems
Their smooth head design provides improved safety while the square neck prevents rotation during installation.
Why Choose This Product
- Premium stainless steel materials for superior corrosion resistance
- Smooth round head provides an attractive finished appearance
- Square neck prevents bolt rotation during tightening
- Suitable for wood, steel, and composite materials
- Long service life with minimal maintenance
- Multiple stainless steel grades available
- Full OEM and ODM customization
- Stable mechanical performance
- Reliable global industrial standard compatibility
The custom stainless steel carriage bolt offers dependable fastening performance for both standard and specialized engineering projects.
Why Choose Flybear
Flybear is a professional manufacturer of industrial fasteners specializing in customized fastening solutions for global customers.
Our advantages include:
- Advanced cold forging and CNC machining capabilities
- Extensive inventory and flexible production capacity
- Full OEM and ODM customization services
- Professional engineering support
- Strict ISO-compliant quality management
- Rich export experience across global markets
- Fast production and reliable delivery
- Technical consultation for complex fastening applications
Flybear is committed to supplying precision fastening products that meet international engineering standards.
Quality Inspection and Control
Every custom stainless steel carriage bolt undergoes comprehensive inspection, including:
- Chemical composition analysis
- Tensile strength testing
- Hardness testing
- Salt spray corrosion testing
- Thread gauge inspection
- Dimensional inspection
- Surface finish inspection
- Packaging inspection
All manufacturing processes comply with ISO quality management standards to ensure consistent product quality.
Selection Guide
When selecting a custom stainless steel carriage bolt, consider:
- Stainless steel grade (304, 304L, 316, or 316L)
- Bolt diameter and length
- Thread standard and pitch
- Load requirements
- Indoor or outdoor application
- Corrosion level
- Surface finish requirements
- Custom head or square neck dimensions
Choosing the proper specification improves assembly reliability and extends service life.
FAQ
1. What is a carriage bolt?
A carriage bolt features a smooth round head and square neck that prevents rotation during installation.
2. What is the difference between 304 and 316 stainless steel?
316 stainless steel offers better corrosion resistance, especially in marine and chemical environments.
3. Can you manufacture non-standard carriage bolts?
Yes. Flybear provides full OEM and ODM production according to drawings or samples.
4. Are custom thread types available?
Yes. Metric, UNC, UNF, and other custom thread specifications are supported.
5. How can I request a quotation?
Simply send your drawings, specifications, material requirements, quantity, and surface finish requirements to our sales team for a fast quotation.
The custom stainless steel carriage bolt provides reliable fastening performance, outstanding corrosion resistance, and flexible customization for industrial applications.
We always adhere to the philosophy of quality first and customer first, providing customers with high-quality fastener products and one-stop fastener solutions.
For quotations, customization, and technical support, please Contact Us.
