Carbon Steel Hex Bolts with Holes On Head
Product Overview
Hex Bolts with Holes On Head are specifically engineered fasteners that feature one or more drilled holes through the head. These holes are designed to enable secure locking using wire, pins, or seals, improving safety and functionality in critical load-bearing applications. Known for their durability and resistance to loosening, these bolts are commonly used in heavy-duty industrial environments that require additional security to prevent parts from falling due to vibration or dynamic loads.
Manufactured using premium carbon steel, these bolts are capable of enduring high-stress environments, while their hexagonal heads allow for easy fastening with wrenches or torque tools. The combination of material strength and innovative design makes these bolts invaluable in various high-stakes industries, including aerospace, automotive, construction, and heavy machinery.
Product Specification Table
| Parameter | Specification |
|---|---|
| Product Name | Hex Bolts with Holes On Head |
| Thread Type | Metric/UNC/UNF |
| Diameter Range | M6 to M30 / 1/4″ to 1-1/4″ |
| Length Range | 10mm to 200mm / 3/8″ to 8″ |
| Head Type | Hexagonal |
| Hole Diameter | 1.5mm to 3mm (customizable) |
| Tolerance | ±0.02mm |
| Coating | Zinc Plated, Black Oxide, Hot Dip Galvanized |
| Standard Compliance | DIN 931, DIN 933, ANSI B18.2.1, ISO 4014 |
Technical Parameters
| Property | Value |
|---|---|
| Tensile Strength | 800–1000 MPa |
| Yield Strength | 600–800 MPa |
| Hardness | 22–32 HRC (depending on grade) |
| Torque Value | Based on bolt size & grade |
| Operating Temp | -50°C to 250°C (depending on coating) |
Material Introduction and Manufacturing Process
The Hex Bolts with Holes On Head are primarily crafted from high-grade carbon steel, chosen for its robust mechanical properties, machinability, and cost-effectiveness. The selection of carbon steel enables excellent performance in both tensile and shear applications, and it can be heat-treated for enhanced strength and hardness.
Production Workflow:
- Material Inspection (Carbon Steel Rods)
- Cutting to Length
- Cold or Hot Forging (forming head and body)
- Drilling Holes in Bolt Head
- Thread Rolling or Cutting
- Heat Treatment (Quenching + Tempering)
- Surface Finishing (Zinc Plating, Black Oxide, etc.)
- 100% Dimensional & Visual Inspection
- Packaging & Labeling
Industries and Applications
These bolts are widely used in:
- Aerospace applications for securing turbine or engine parts
- Automotive suspension systems and drive components
- Heavy machinery where vibration-resistance is critical
- Oil & gas pipelines and flange connections
- Railway and marine fastening systems
- Military and defense installation components
- Structural steel assemblies in civil construction
Product Features & Competitive Advantages
- Superior Material Quality: Manufactured from select high-grade carbon steel for enhanced durability and resistance to wear and fatigue.
- Precision Manufacturing: Tight dimensional tolerances, precise threading, and uniform hole placement ensure high compatibility and safety under extreme conditions.
- Advanced Surface Treatments: Anti-corrosion coatings like zinc plating and hot-dip galvanization prolong service life in corrosive environments.
- Customizability: We offer tailor-made solutions based on customer drawings, samples, or specific engineering needs.
- On-Time Delivery: Large-scale inventory and strong logistics partnerships ensure timely delivery across global regions.
- Robust Technical Support: Timely technical support, reliable post-sale services, and engineering guidance strengthen customer confidence.
Quality Control and Testing
At Flybear Fastener, quality is the highest priority. Our robust quality management system includes:
- Raw material certification and traceability
- 100% in-process visual inspection
- Mechanical testing: Tensile, shear, hardness
- Dimensional inspection using gauges & thread rings
- Salt spray testing for coatings
- Final product packaging verification
Our in-house testing facilities are ISO-compliant to ensure every bolt meets industry-standard performance benchmarks.
Selection and Purchasing Guide
When choosing the right Hex Bolts with Holes On Head, consider the following points:
- Match dimensions (M, L, thread type) to the application
- Confirm load requirements to select adequate tensile strength
- Choose the right surface coating depending on working environment
- Determine locking mechanism compatibility (wire lock, seal lock)
- Identify industry-specific standards (DIN, ISO, ANSI)
For bulk procurement or custom designs, always consult our expert team to ensure product compatibility and performance.
Conclusion and Company Promotion
Flybear Fastener offers a comprehensive range of innovative and high-quality fastener products with unmatched performance, reliability, and customization options.
We always adhere to the principle of “Quality First, Customer Supreme,” dedicating ourselves to providing clients with premium-grade fasteners and one-stop solutions tailored to meet industry-specific challenges.
Explore our robust product catalog and reach out to us for custom orders. For detailed quotations, technical documents, or specialized industry support, please contact us today.
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