Z Axis Dial Ring Lock Nut for Milling Machine M2/M3/M4 and M5 Model C-8688
Precision dial ring lock nut engineered for the Z-axis feed mechanism of milling machines to ensure accurate vertical positioning. Constructed from high-strength alloy steel for durability and resistance to wear during heavy-duty operations. • Inner Bore: 18.6 mm • Outer Diameter: 33 mm • Upper OD: 25.6 mm • Nut OD: 44.5 mm • Model No.: C-8688
Specifications
For: Model C-8688- Product Name
- Dial Ring Lock Nut Z axis
- Model No.
- C-8688
- Outer Diameter
- 33 mm
- Inner Bore
- 18.6 mm
- Upper OD
- 25.6 mm
- Material
- High-strength alloy steel
- Outer diameter Nut
- 44.5 mm
- Product dimension
- 100x100x100
- Weight
- 0.5 Kgs
Maintenance & Handling Tips
- Inspect threads regularly for wear or damage
- Apply appropriate lubricant to prevent seizing
- Tighten to specified torque values only
- Clean debris before installation or removal
- Store in dry environment to prevent rust
- Replace if inner bore shows elongation signs
- Use correct tools to avoid stripping threads
Operational Reliability
- Ensures precise Z-axis positioning accuracy
- Prevents tool drift during deep cutting operations
- Provides rigid lock for consistent surface finish
- Compatible with standard milling machine setups
- Simplifies tool height adjustment procedures
- Reduces downtime caused by loose components
- Enhances overall machine operational safety
Material & Construction Quality
- Manufactured from high-strength alloy steel
- Engineered to withstand heavy milling loads
- Resistant to deformation under vibration
- Maintains dimensional stability over time
- Surface treated for corrosion resistance
- Precision machined for consistent performance
- Durable construction reduces replacement frequency
Key Features
- Z Axis Dial Ring Lock Nut for Milling Machine M2/M3/M4 and M5
- Model No. C-8688 design for secure locking
- Outer Diameter: 33 mm for standard fitment
- Inner Bore: 18.6 mm compatible with shafts
- Upper OD: 25.6 mm ensures proper alignment
- Outer diameter Nut: 44.5 mm for grip
- Product dimension: 100x100x100 mm packaging
- Weight: 0.5 Kgs per unit for handling
More questions buyers ask
What is a Z-axis dial ring lock nut used for?
It secures the Z-axis dial ring on a milling machine, ensuring precise positioning and preventing tool drift during operation.
Is this lock nut compatible with all milling machines?
It is specifically designed for models like C-8688 and compatible with standard M2/M3/M4/M5 milling setups. Please verify your shaft dimensions (18.6mm bore).
What material is the Pentagon Z-axis lock nut made of?
It is manufactured from high-strength alloy steel for maximum durability and resistance to vibration during heavy milling.
What are the key dimensions of this lock nut?
It features an 18.6 mm inner bore, 33 mm outer diameter, 25.6 mm upper OD, and 44.5 mm outer diameter nut.
Does this product come with a warranty?
Yes, Pentagon provides standard manufacturer warranty support for their machine tool spares in India.
How do I install the Z-axis dial ring lock nut?
Ensure the shaft is clean, align the nut carefully, and tighten to the specified torque. Avoid over-tightening to prevent thread damage.
Can I get a GST invoice for this purchase?
Yes, all purchases include a valid GST invoice for business accounting purposes.
Is pan-India delivery available?
Yes, we offer reliable pan-India shipping for all industrial machine spare parts.
What should I do if the nut feels loose?
Check for thread wear or debris. If the inner bore shows signs of elongation, it is recommended to replace the part to maintain machining accuracy.
How often should I replace this component?
Replacement frequency depends on usage intensity. Inspect regularly for wear and replace if you notice loss of locking rigidity or thread stripping.
Who should choose the Pentagon C-8688 Z-axis lock nut?
This part is ideal for workshop owners and maintenance engineers looking for a high-precision, durable replacement for their milling machine Z-axis assembly.
How does this compare to generic lock nuts?
Unlike generic alternatives, the Pentagon C-8688 is precision-machined from high-strength alloy steel, offering superior dimensional stability and corrosion resistance for industrial use.
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Full description
Precision dial ring lock nut engineered for the Z-axis feed mechanism of milling machines to ensure accurate vertical positioning. Constructed from high-strength alloy steel for durability and resistance to wear during heavy-duty operations. • Inner Bore: 18.6 mm • Outer Diameter: 33 mm • Upper OD: 25.6 mm • Nut OD: 44.5 mm • Model No.: C-8688