Carbon Steel Hex Shoulder Bolt with Hole on Shank
Product Overview
Hex Shoulder Bolt with Hole on Shank is a specialized fastener designed for precision assembly in demanding applications. These bolts feature a hex head for easy wrenching, a precision-machined shoulder for accurate alignment, and a drilled hole in the shank, which allows for securing with wire or pins in critical environments. Manufactured from premium carbon steel, this bolt combines strength, durability, and versatility for a wide range of industrial uses. At Flybear Fastener, we supply high-performance shoulder bolts that meet or exceed industrial standards for maximum reliability.
This type of bolt is essential in applications that require rotational movement or specific load-bearing placements. Its unique construction offers excellent mechanical properties, making it ideal for both static and dynamic assembly requirements.
Product Specification Table
| Item | Specification |
|---|---|
| Product Name | Hex Shoulder Bolt with Hole on Shank |
| Head Type | Hex Head |
| Shoulder Type | Precision Ground |
| Material | Carbon Steel |
| Thread Type | Metric / Imperial |
| Finish | Zinc Plated / Black Oxide / Plain |
| Hole Feature | Drilled through shank for wiring |
| Length Range | 10mm – 200mm |
| Diameter Range | M5 – M20 / 1/4” – 3/4” |
Technical Parameters
| Parameter | Values |
|---|---|
| Tensile Strength | ≥ 800 MPa |
| Yield Strength | ≥ 640 MPa |
| Hardness | HRC 22-35 |
| Thread Tolerance | 6g |
| Shoulder Diameter Tolerance | +0/-0.015 mm |
| Surface Roughness | ≤ Ra 1.6 µm |
Material Introduction & Manufacturing Process
The Hex Shoulder Bolt with Hole on Shank is manufactured using premium-grade carbon steel, known for its robustness and cost-efficiency. This material selection ensures high tensile strength, excellent machinability, and reliable fatigue performance.
The typical manufacturing steps include:
- Cold or hot forging of the hex head and shoulder.
- Precision CNC machining of the shoulder and thread.
- Drilling the securing hole on the shank using high-speed machining.
- Surface treatment such as electroplating or black oxide coating.
- Quality inspection and packaging for shipment.
This process guarantees a finished product with tight tolerances, excellent corrosion resistance, and long-term mechanical reliability.
Typical Applications in Industry
Hex Shoulder Bolts with Hole on Shank are widely used in:
- Automotive assembly lines and suspension systems
- Agricultural and construction machinery
- Aerospace structural components
- Medical equipment with movable assemblies
- Marine hardware with safety locking mechanisms
- Mould making, tools, and jigs for industrial applications
Their versatility and mechanical stability make them essential for any application where alignment and safety locking are critical.
Product Advantages and Competitiveness
Material Excellence: Our bolts are made from high-quality carbon steel to ensure long life and consistent mechanical performance under harsh conditions.
Precision Manufacturing: Advanced CNC and cold heading machines produce accurate shoulder dimensions and threading with minimal tolerance levels.
Advanced Surface Coating: Optional coatings such as black oxide or zinc plating offer excellent corrosion resistance, essential for outdoor and marine environments.
Customizability: We provide extensive customization services—shoulder diameter, length, threading, and hole placement—either based on your drawings or samples.
Fast Delivery: With well-maintained inventory and efficient supply chain processes, timely delivery is guaranteed.
Reliable After-Sales Support: Our technical team provides swift assistance, so your projects are never delayed.
Company Inspection and Quality Control
At Flybear Fastener, quality control begins with raw material inspection and follows through the entire production cycle. Our bolts undergo:
- Dimensional inspection using calibrated calipers and micrometers
- Load and tensile strength testing
- Thread gauging for tolerance compliance
- Salt spray testing for corrosion resistance
- Final visual inspection for defects or inconsistencies
All inspected products conform to ISO, DIN, and customer-specific standards.
Selection and Procurement Guide
When selecting the appropriate Hex Shoulder Bolt with Hole on Shank, consider the following:
- Required shoulder diameter and length
- Thread type (coarse or fine)
- Installation torque and load requirements
- Environmental exposure that may require specific coatings
- Hole placement and locking mechanism
For bulk or custom orders, our specialists can assist in determining the right fastener for your application needs. You can browse our detailed product listing for all available fastener products.
Extended Application Note: Safety Wiring Applications
The distinct drilled hole in the bolt’s shank enables a safety wiring feature. This is particularly vital in aviation and motorsport industries, where locking safety is paramount. Maintenance crews often use wire to secure the bolt in place, preventing it from loosening due to vibration or rotational forces. It’s also common in elevated height equipment and robotics where drop-off could result in critical component damage.
Conclusion and Company Promotion
The Hex Shoulder Bolt with Hole on Shank delivers a highly reliable, precise, and safety-ensured fastening solution used across various industries. Its design supports both structural integrity and operational safety, especially in high-vibration situations or moving parts. Whether you need stock items or custom specifications, Flybear Fastener is your trusted partner.
We always adhere to the principle of “quality first, customer above all,” and are committed to offering high-quality fastener products and all-in-one fastening solutions. Explore our full catalog or contact us to get custom solutions or request a quote tailored to your industry needs. Let us support you with first-rate components and expert engineering.
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