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This is a high performance 12mm diameter bi-directional trapezoidal screw with a 3mm lead and 3mm pitch,engineered for ultra-smooth,precise motion in both rotational directions.Perfect for applications requiring reversible movement without backlash,this Tr12x3 bi-directional lead screw delivers exceptional repeatability and 0.012mm/100mm lead accuracy,making it ideal for automation,CNC adjustments,robotics,and precision alignment systems.
Diameter | 12mm |
Lead | 3mm |
Pitch | 3mm |
| Number of starts | 1 |
Screw shaft end machining and length | According to your requirement or drawing |
Nut shape and dimension | Be customized according to your needs |
Thread direction | Right and left hand thread |
Screw material | S45C/ SS303/SS304/SS316 |
Nut material | Brass/Bronze/POM/PEEK/Nylon/Stainless steel/S45C |
Popular surface coatings | Teflon coating/nickel plated/tungsten disulfide/black chorme plated/molybdenum disulfide/DLC coating. |
Tailored to Your Exact Specifications
We don't just make screws – we engineer solutions.Every component of our Tr12x3 bi-directional trapezoidal lead screws can be customized for seamless integration into your system:
1. Screw Shaft Customization
Length: From miniature sizes to 6 meters long
End Machining: Keyways,milled flats,threads,drilled holes,or unique geometries
2. Nut Design Freedom
Shape & Size: Virtually any configuration – round,square,flanged,or complex profiles
Material Options:
Bronze / Brass (standard for low friction)
Engineering Plastics: POM,PEEK,Nylon (lightweight & corrosion-resistant)
Metals: S45C carbon steel,stainless steel
3. Lead Screw Material Choices
Carbon Steel: S45C (hardened for durability)
Stainless Steel:
✓ SS303 (superior machinability)
✓ SS304 (general-purpose corrosion resistance)
✓ SS316 (extreme chemical/weather resistance)
Why Customize with Us?
► Precision Guaranteed: Maintain 0.012mm/100mm accuracy even in custom designs
► Rapid Prototyping: Get samples in as fast as 12 days
► Expert Support: Our engineers help optimize your design
Turn your unique requirements into reality – request a custom quote now!
(Customization options subject to technical feasibility. MOQ: 1 piece for prototyping.)
This is a high performance 12mm diameter bi-directional trapezoidal screw with a 3mm lead and 3mm pitch,engineered for ultra-smooth,precise motion in both rotational directions.Perfect for applications requiring reversible movement without backlash,this Tr12x3 bi-directional lead screw delivers exceptional repeatability and 0.012mm/100mm lead accuracy,making it ideal for automation,CNC adjustments,robotics,and precision alignment systems.
Diameter | 12mm |
Lead | 3mm |
Pitch | 3mm |
| Number of starts | 1 |
Screw shaft end machining and length | According to your requirement or drawing |
Nut shape and dimension | Be customized according to your needs |
Thread direction | Right and left hand thread |
Screw material | S45C/ SS303/SS304/SS316 |
Nut material | Brass/Bronze/POM/PEEK/Nylon/Stainless steel/S45C |
Popular surface coatings | Teflon coating/nickel plated/tungsten disulfide/black chorme plated/molybdenum disulfide/DLC coating. |
Tailored to Your Exact Specifications
We don't just make screws – we engineer solutions.Every component of our Tr12x3 bi-directional trapezoidal lead screws can be customized for seamless integration into your system:
1. Screw Shaft Customization
Length: From miniature sizes to 6 meters long
End Machining: Keyways,milled flats,threads,drilled holes,or unique geometries
2. Nut Design Freedom
Shape & Size: Virtually any configuration – round,square,flanged,or complex profiles
Material Options:
Bronze / Brass (standard for low friction)
Engineering Plastics: POM,PEEK,Nylon (lightweight & corrosion-resistant)
Metals: S45C carbon steel,stainless steel
3. Lead Screw Material Choices
Carbon Steel: S45C (hardened for durability)
Stainless Steel:
✓ SS303 (superior machinability)
✓ SS304 (general-purpose corrosion resistance)
✓ SS316 (extreme chemical/weather resistance)
Why Customize with Us?
► Precision Guaranteed: Maintain 0.012mm/100mm accuracy even in custom designs
► Rapid Prototyping: Get samples in as fast as 12 days
► Expert Support: Our engineers help optimize your design
Turn your unique requirements into reality – request a custom quote now!
(Customization options subject to technical feasibility. MOQ: 1 piece for prototyping.)
