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DN20 Lock Nut for Roller Screw5Pack M20 x 2.5 Hex Nut, 42CrMo Steel, 6H Precision, Phosphated and Lubricated Anti Backlash, Copper Setscrew Included
- Made from 42CrMo alloy steel (HRC 24-28°) for durability and wear resistance; 6H precision threads (M20×2.5) ensure smooth engagement with roller screws, minimizing backlash; Extremely low end-face runout (0.002-0.005mm) for stable axial positioning in high-accuracy applications.
- Built-in copper setscrew provides extra locking force without damaging screw threads; Hexagonal shape allows easy tightening with standard wrenches (prevents rotation slippage).
- Phosphate coating + lubrication reduces friction and resists rust in harsh environments; Ideal for CNC machines, 3D printers, robotics, and industrial automation.
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Multiple sizes available (M3-M40) contact us for custom requirements
We are dedicated to delivering quality service throughout your purchasing experience. Should you have any inquiries, please do not hesitate to contact us. We guarantee a response within 24 hours
Premium Lock Nut for Roller Screw Systems
This DN20 lock nut is designed for high-performance roller screw assemblies, offering zero backlash, high rigidity, and long service life. balances strength and machinability, while the phosphate coating and pre-lubrication enhance corrosion resistance and smooth operation.
Key Advantages
Copper Setscrew Design: The integrated soft copper locking screw prevents loosening under vibration, protecting your roller screw threads from damage.
Hexagonal Shape: Fits standard wrenches for easy installation in tight spaces.
Ultra-Precise Threads: 6H tolerance guarantees consistent fit with M20× 2.5 roller screws (ideal for micro-adjustments).
Low Runout Tolerance: Ensures even load distribution and reduces wear on screw assemblies.
Applications
CNC machinery, linear actuators, and servo drives
3D printers, optical stages, and automation systems
We are dedicated to delivering quality service throughout your purchasing experience. Should you have any inquiries, please do not hesitate to contact us. We guarantee a response within 24 hours
Premium Lock Nut for Roller Screw Systems
This DN20 lock nut is designed for high-performance roller screw assemblies, offering zero backlash, high rigidity, and long service life. balances strength and machinability, while the phosphate coating and pre-lubrication enhance corrosion resistance and smooth operation.
Key Advantages
Copper Setscrew Design: The integrated soft copper locking screw prevents loosening under vibration, protecting your roller screw threads from damage.
Hexagonal Shape: Fits standard wrenches for easy installation in tight spaces.
Ultra-Precise Threads: 6H tolerance guarantees consistent fit with M20× 2.5 roller screws (ideal for micro-adjustments).
Low Runout Tolerance: Ensures even load distribution and reduces wear on screw assemblies.
Applications
CNC machinery, linear actuators, and servo drives
3D printers, optical stages, and automation systems
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Grandwood Tech Limited Return Policy
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