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Apexcoupling DLK Bellows Coupling – Stainless Steel High Torque Keyless Locking Coupling for CNC Lead Screw
Model Number
Check below, custom
- Phone : +86 13431039760
- Wechat : +86 13431039760
- Whatsapp : +86 13431039760
- Email : ella@apexcoupling.com
Product Description
The bellows coupling from Apexcoupling is a high-precision shaft connection solution designed for CNC machines, servo systems, and lead screw applications. This DLK series bellows coupling features a keyless locking structure (locking assembly), ensuring strong clamping force, zero backlash, and easy installation.
Manufactured with stainless steel bellows and high-strength steel hubs, this bellows coupling provides excellent torsional rigidity, high torque capacity, and long service life, making it ideal for demanding industrial environments.
⚙️ Key Features
⭐ Zero Backlash Transmission
This bellows coupling ensures zero rotational clearance, providing accurate positioning for CNC and motion control systems.
⭐ Keyless Locking Structure
The advanced locking assembly design allows easy installation and removal while maintaining strong shaft fixation without damage.
⭐ Stainless Steel Bellows
The flexible stainless steel bellows can compensate for axial, angular, and radial misalignment, ensuring smooth and stable operation.
⭐ High Torque Capacity
Designed for heavy-duty applications, this high torque bellows coupling delivers reliable performance in demanding environments.
⭐ H7 Precision Bore
The bore tolerance meets H7 standard, ensuring high concentricity and precise shaft connection.
This bellows coupling for CNC machines is specially designed for high precision lead screw transmission systems.
Our high torque bellows coupling for lead screw ensures stable performance under heavy load conditions.
The stainless steel bellows coupling for servo motor applications provides excellent flexibility and zero backlash accuracy.
🏭 Technical Specifications
| Item | Specification |
|---|---|
| Product Type | Bellows Coupling |
| Series | DLK |
| Material | Stainless Steel Bellows + Steel Hub |
| Bore Tolerance | H7 |
| Backlash | Zero |
| Connection | Keyless Locking (Clamping) |
| Torque | Custom (N·m) |
| Application | CNC / Lead Screw / Servo Motor |
📏 Available Models
| Model | Bore Range (mm) |
|---|---|
| DLK14-40 | 8–16 |
| DLK14-55 | 10–20 |
| DLK14-65 | 14–28 |
| DLK14-82 | 20–40 |
| DLK14-90 | 22–42 |
| DLK14-110 | 28–56 |
| DLK14-123 | 30–60 |
| DLK14-133 | 30–60 |
| DLK14-157 | 35–70 |
| DLK14-200 | 50–100 |
🧩 Structure Advantages
- One-piece bellows structure for flexibility and durability
- Compensates axial, radial, and angular misalignment
- Identical performance in clockwise and counterclockwise rotation
- Easy assembly and disassembly
- Corrosion-resistant stainless steel material
🏗️ Applications
This bellows coupling is widely used in:
- CNC machine tools
- Lead screw transmission systems
- Servo motor systems
- Packaging machinery
- Semiconductor equipment
- Food processing machines
- Metallurgical and industrial automation systems
🏆 Why Choose Apexcoupling
- Factory direct manufacturer
- Custom non-standard sizes available
- High-quality materials and strict QC
- Global export experience
- Reliable after-sales support
📦 Custom Service
We support customized bellows coupling solutions:
- Custom bore size (H7 tolerance)
- Special torque requirements
- Material selection (stainless steel / carbon steel)
- OEM branding
📞 Call To Action（🔥）
Looking for a reliable bellows coupling supplier?
Contact Apexcoupling today for pricing, drawings, and custom solutions.
👉 Get Quote Now
👉 WhatsApp / Email
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