🔸 Product Overview

The TLK400 locking assembly (Z21 / AL-D type) from Apexcoupling is a high-performance keyless shaft locking device designed for precise and reliable shaft-hub connections.

Using a single taper structure, this locking assembly provides strong clamping force without the need for keyways, ensuring high concentricity and stable torque transmission.

🔸 Key Features & Benefits

• Keyless Shaft Connection
  Eliminates keyway machining and improves shaft strength
• High Precision (H7 Bore)
  Ensures excellent concentricity and positioning
• High Strength 45# Steel
  Heat-treated for durability and wear resistance
• 12.9 Grade Bolts
  Strong fastening and reliable performance
• Easy Installation & Removal
  No hammering required, simple bolt tightening
• Reusable Design
  Can be disassembled and reused, reducing cost

🔸 Technical Specifications

🔸 Applications

This TLK400 locking assembly is widely used in:

• Servo motor systems
• Shaft-hub connections
• Pulleys and gears
• CNC machinery
• Industrial transmission systems

🔸 Customization Service

• Custom bore size
• Surface treatment
• Torque requirement design
• OEM/ODM support

🔸 Why Choose Apexcoupling

• Factory direct supply
• Advanced machining technology
• Strict quality inspection
• Competitive pricing
• Fast delivery

🔸 FAQ🔥

Q1: What is TLK400 locking assembly used for?
It is used for high precision shaft-hub connection without keys.

Q2: What is the advantage over keyway connection?
Better concentricity and no shaft damage.

Q3: Can it be reused?
Yes, it can be disassembled and reused multiple times.

Q4: Can you customize dimensions?
Yes, full customization is available.

• Z21 locking assembly
• keyless locking device
• power locking assembly
• shaft locking device