• Screw Diameter: Standard sizes from 5mm to 65mm

• Lead Options: 3mm to 300mm for different speed & stroke requirements

• Total Length: Machinable from 10mm up to 6000mm

• Precision Grades: C3, C5, C7 accuracy levels for high-precision, medium-precision and general industrial use

• Material Selection: Standard GCr15 bearing steel for heavy-load scenarios; optional stainless steel, alloy steel, carbon steel, brass and aluminum for special working environments
  Our Standard 4005 Square Flange Ball Screw Assembly
  Our hot-selling 4005 square flange ball screw nut assembly is manufactured via mature rolling screw technology using GCr15 bearing steel. The square flange structure simplifies bolt mounting on machine slides, with built-in internal ball circulation channels for continuous stable operation. This model stands out for long service life and consistent load performance, a top pick for medium-load automation production lines.
  Advanced Manufacturing Process
  Every ball screw we produce undergoes strict multi-step precision processing to guarantee performance consistency: Cold rolling, CNC grinding, rotary milling, precision CNC machining, CNC turning & milling, drilling, grinding and straightening treatment. Each production link is quality-inspected to eliminate deformation, surface defects and dimensional errors before finished goods delivery.
  Key Advantages of Shuntai Ball Screws
  Ultra High Precision: Available C3/C5/C7 tolerance grades to meet strict positioning accuracy needs for CNC and precision automation
  Superior Durability & Long Service Life: GCr15 steel base with professional heat treatment, wear-resistant ball circulation structure, less maintenance frequency
  High Rigidity & Adjustable Preload: Custom preload design eliminates backlash, maintains rigid linear movement under heavy dynamic loads
  Ultra-Smooth Running: Rolling friction mechanism cuts friction loss greatly, low noise, stable operation at high or low travel speeds
  Strong Customization Flexibility: Custom thread ends, nut types (square flange, round flange, single/double nuts), surface finishing and packaging as your drawings or requests
  Order & Logistics Information
  Production Lead Time: Standard models ship within 7 working days
  Loading Port: Shanghai Port for convenient global sea & air freight arrangements
  Custom Packaging: Shock-proof, rust-proof export packaging customized based on order size and transportation demands to avoid damage during long-distance shipping

    Who Can Benefit From Our Ball Screws?

• Our ball screw assemblies are perfectly suited for equipment manufacturers, automation system integrators, machinery repair factories and robotics developers across global industries:
• CNC machining centers & lathes

• Automated linear sliding platforms

• Medical precision equipment

• Semiconductor handling machinery

• Logistics & packaging automation lines

• Laser processing equipment

• Automated robotics arms
  
  Why Choose Shuntai as Your Ball Screw Supplier?
• As a professional ball screw manufacturer based in China, we combine mature rolling production technology with strict quality control systems. Unlike generic distributors, we offer direct factory pricing, full technical drawing support, flexible size customization and dedicated after-sales technical consultation. Whether you need off-the-shelf standard 4005 square flange ball screws or fully custom non-standard linear motion parts, our engineering team can match your mechanical design requirements perfectly.
  Ready to source high-quality, cost-effective ball screw assemblies for your machines? Click our consultation button to share your drawing, size, precision and load requirements, and we will provide a detailed quotation within 24 hours.

   

Why Choose Our 8mm Mini Ball Screw?

1.Premium GCr15 Bearing Steel Construction

We adopt high-grade GCr15 bearing steel as raw material. After precise heat treatment, the shaft and nut gain outstanding hardness, wear resistance and anti-fatigue performance, laying the foundation for long-term stable operation.

• Customized dimensional limits for tight spaces

   

  Many miniature automation devices, lab testing equipment, and compact actuator systems have strict spatial restrictions. We fully customize core parameters including screw diameter, overall length, lead, and nut outline size to fit confined installation layouts without sacrificing motion precision. Our MIA mini series specializes in ultra-small diameter micro screw structures ideal for compact machinery.

• Specialized material matching for harsh working environments

   

  Our base material is high-strength GCr15 bearing steel for standard precision applications. For special working conditions such as corrosion exposure, high-temperature operation, or medical clean environments, we support custom material upgrades including stainless steel and high-temperature wear-resistant alloys to extend component lifespan under extreme conditions.

• Custom load & speed performance design

   

  High-load industrial actuators and high-speed precision inspection equipment have divergent motion demands. We redesign the ball circulation track, thread profile, and nut structure for custom ball screws, boosting load capacity, lowering friction, and enabling stable high-speed reciprocating movement for your equipment.

• Custom manufacturing & surface finishing processes

   

  Beyond standard rolling and grinding machining, we provide exclusive custom processing solutions: special thread grinding tolerances (C3/C5/C7 precision grades), customized surface hardening, anti-rust coating, and tailored end-machining features to match your coupling, bearing, and assembly structure perfectly.

• Medical automation equipment & laboratory testing instruments

• Optical inspection machinery & semiconductor micro-processing devices

• Small automated actuators, robotics joint micro-drives

• Precision measuring instruments & miniature CNC equipment

• Packaging automation compact linear drive modules
• 
• Why Choose SHUNTAI as Your Custom Ball Screw Supplier?
• As a professional ball screw manufacturer specializing in non-standard customization, we deliver end-to-end custom service: from technical drawing review, structural optimization design, sample trial production, to mass manufacturing. Our engineering team collaborates closely with overseas buyers to resolve all unique motion transmission challenges, improving your equipment’s overall stability, precision, and operational efficiency.
  Whether you need micro miniature ball screws from the MIA series or large-size heavy-load custom ball screws, send us your technical drawings and parameter requirements for a free technical consultation and quotation.

  Final Words

  Generic standard ball screws often force engineers to compromise on equipment design. Custom non-standard ball screws eliminate design limitations, letting you build machinery fully aligned with your performance targets. Our SHUNTAI MIA series precision miniature custom ball screws balance compact size, reliable durability, and flexible customization, making them the ideal linear motion solution for your specialized industrial projects.

  Contact our team today to discuss your custom ball screw specifications and unlock optimized linear transmission performance for your machinery!

• TBI SFS Silent Ball Screw Core

   

  Equipped with original TBI-SFS high-speed silent ball screws, our linear stages operate with ultra-low noise even under continuous high-speed travel, ideal for workshop and lab environments requiring quiet operation.

• High-Strength CNC Machined Aluminum Base

   

  The module frame uses heavy-duty aluminum alloy processed via precision CNC machining. Smooth finished surfaces and standardized mounting hole layouts lock the sliding carriage firmly in place, eliminating wobble and boosting overall structural stability during heavy-duty cycles.

• Protective Limit Switch Assembly

   

  Pre-installed photoelectric limit switches feature reverse-polarity protection circuits. This built-in safety feature prevents over-travel damage, maximizes operational efficiency, and extends the full working lifespan of your automation equipment.

  Core Product Strengths For Industrial Buyers

  1. High Rigidity & Multi-Directional Load Capacity

  Built to match Hiwin-grade module performance standards, our SFU1610 linear slide bears heavy loads across vertical, horizontal, lateral and axial directions. The reinforced frame resists bending under heavy workpieces, making it perfect for high-load precision machining tasks.

  2. Ultra Long Service Life

  Thanks to wear-resistant GCr15 bearing steel screw and guide rail components, this linear motion system withstands thousands of continuous working hours without noticeable loss of positioning accuracy, reducing your long-term maintenance and replacement costs.

  3. High Position Resolution & Stable Accuracy

  Tight manufacturing tolerances guarantee consistent repeat positioning accuracy. Whether you run delicate 3D printing prototypes or heavy CNC carving batches, every movement maintains tight dimensional tolerances for uniform finished parts.

  4. Plug-and-Play Simple Installation

  Complete pre-assembled unit out of the box, with standardized mounting holes compatible with most stepper and servo motor models. No complicated custom machining required to integrate the module into your existing automated machinery frames.

  Wide Application Scenarios

  Our KK series SFU1610 ball screw linear modules are widely adopted across multiple industrial sectors:
• 1.CNC engraving machines & milling equipment
• 2.Large-format 3D printers
• 3.Injection molding auxiliary automation
• 4.Precision machining centers
• 5.Lathe machine retrofits

• TR32 Trapezoidal Lead Screw Cost-Effective Linear Motion Solution for Light-Duty Automation

  2026-07-10

  32mm trapezoidal threaded screw, GCr15 trapezoidal lead screw, TR32 trapezoidal lead screw, bronze nut trapezoidal screw, light duty linear motion screw, trapezoidal screw for automation equipment

  When you need a reliable, budget-friendly component to convert rotary motion into linear movement for your machinery, trapezoidal lead screws stand out as a classic choice. Our CNC machined TR32 trapezoidal threaded screw paired with bronze nuts delivers stable force transmission, ideal for low-speed, light-load industrial automation projects.

  Trapezoidal lead screws consist of a threaded shaft and matching trapezoid-profile nuts. The symmetrical isosceles trapezoid thread cross-section enables the nut to slide axially along the screw as rotation occurs, creating smooth linear displacement without complex rolling structures. Unlike ball screws that rely on circulating steel balls, trapezoidal screws operate via direct sliding contact between the shaft and nut.

  Key Specs of Our TR32 Trapezoidal Screw Assembly

  Our Shuntai TR32 trapezoidal screw assemblies are built for consistent performance, with clear customizable parameters to match your equipment demands:

  Parameter	Details
  Product Name	Trapezoidal Lead Screw (TR32 32mm Series)
  Brand	Shuntai
  Raw Materials	GCr15 bearing steel for screw shaft; Bronze / Brass for matching nuts
  Production Process	Rolled thread & precision ground thread options
  Core Advantage	Extended service life, wear-resistant bronze nut
  Lead Time	7-day fast production for standard sizes
  Shipping Port	Shanghai, flexible global sea & air freight support

  

  Pros & Cons of Trapezoidal Lead Screws (Honest Comparison to Ball Screws)

  We share transparent performance characteristics to help buyers select the right linear motion part for their use case:

  Main Advantages

  1. 1.Low manufacturing & procurement cost
      
     Trapezoidal screws feature simplified machining workflows, making them far more affordable than precision ball screws. Perfect for small-batch machinery, DIY automation, conveyor systems, and low-budget equipment builds.
  2. 2.Simple, low-maintenance structure
      
     No circulating ball components mean fewer fragile parts to inspect or replace. Bronze nuts naturally resist friction wear, cutting down long-term upkeep costs for your production line.
  3. 3.Self-locking capability (standard trapezoid thread)
      
     Most trapezoidal thread designs offer built-in self-locking, which holds loads securely without extra braking parts — a valuable feature for lifting, positioning frames and adjustment stations.

  Performance Limitations (For Application Reference)

  1. 1.Lower transmission efficiency
      
     Sliding friction between steel screw and bronze nut creates more resistance than ball screw rolling contact, so trapezoidal screws are not recommended for high-speed continuous operation.
  2. 2.Limited heavy-load capacity
      
     Sliding contact cannot support extreme heavy loads. Choose this series only for light to medium load working scenarios.
  3. 3.Moderate positioning accuracy
      
     Backlash and repositioning error are more noticeable compared to ground ball screws. This product is not suited for ultra-precise measuring or high-tolerance machining equipment.
  4. 
  5. Common Industrial Applications for TR32 Trapezoidal Screws
  6. Thanks to their balanced cost and functionality, our 32mm TR32 trapezoidal lead screws are widely adopted across dozens of industries:
     • • Light-duty automation assembly lines
     • • Conveyor belt height adjustment mechanisms
     • • Small CNC machine auxiliary adjustment axes
     • • Medical equipment linear adjustment frames
     • • Printing & packaging machinery
     • • DIY robotic linear slides
     • • Furniture lifting & height-adjustment devices
     • For any project requiring basic linear motion, steady force transfer, and controlled production expenses, the TR32 trapezoidal screw kit with brass nut is a practical alternative to expensive precision ball screw sets.
     • Why Choose Shuntai TR32 Trapezoidal Lead Screws?
     • 1.Dual machining options: Choose rolled screws for cost savings or precision ground screws for smoother running performance.
     • 2.Wear-resistant bronze matching nuts: Bronze material greatly reduces shaft abrasion and extends the full assembly service life.
     • 3.Fast 7-day turnaround on standard TR32 sizes, with custom length, thread pitch, and end machining available on request.
     • 4.Global shipping support from Shanghai port, with flexible logistics solutions for wholesale machinery parts buyers.
     • 5.Full technical support: Our engineering team can provide dimension drawings and parameter consultation to match your machine design requirements.
     • Get Custom TR32 Trapezoidal Screw Solutions Today
     • If you’re sourcing reliable trapezoidal lead screws for your automation equipment, conveyor systems or custom machinery builds, our Shuntai TR32 series balances durability and cost efficiency perfectly.
       Click our consultation button to send your dimensional drawings, load speed requirements, and quantity demands. Our sales team will reply quickly with detailed quotations and technical recommendations tailored to your project.

Our screws are available in two production standards: rolled lead screws for cost-sensitive general use, and ground lead screws for scenarios requiring better dimensional consistency. The matching brass nuts deliver good self-lubricating performance, reducing wear during repeated reciprocating movement.
How Trapezoidal Lead Screws Work

We provide nuts in multiple styles: standard flange brass nuts, black coated anti-rust nuts, and spring preloaded nuts to eliminate backlash for slightly higher precision assembly.

Main Advantages of Trapezoidal Lead Screws
1.Lower Production CostCompared to ball screws with circulating ball channels, trapezoidal lead screws have simpler processing steps, cutting down your procurement budget significantly for medium-load projects.

2.Simple & Stable Mechanical Structure
No delicate rolling ball components inside. The solid screw-bronze nut pairing resists shock and dust, making maintenance straightforward for factory equipment.

3.Strong Self-Locking Performance
Trapezoidal thread geometry creates natural self-locking when power cuts off. This is critical for lifting platforms, vertical 3D printer axes and vertical automation slides to prevent accidental sliding.
4.Wide Material Selection for Customization
Screw shafts use wear-resistant GCr15 bearing steel or regular carbon steel; brass/bronze nuts offer inherent lubricity without frequent heavy oiling.Typical Application Scenarios
Trapezoidal lead screws shine in low-speed, medium-load linear motion equipment, widely adopted across global industries:

• CNC machine auxiliary axes
• Desktop & industrial 3D printers
• Vertical lifting platforms & lifting tables
• General automation assembly equipment
• Medical linear adjustment devices
• Small packaging machinery
  Limitations to Consider Before Selection
  For ultra-high speed or ultra-high precision positioning tasks, ball screws perform better. Trapezoidal lead screws have higher friction and lower transmission efficiency, so they work best for slow, intermittent operation instead of continuous high-speed cycling.
  How to Pick the Right Trapezoidal Lead Screw for Your Project
  When placing your order, evaluate 4 core factors to avoid mismatched parts:
• 1.Load Weight: Confirm your maximum moving load to select proper shaft diameter (10mm for light loads, 36mm for heavy medium loads)
• 2.Running Speed: Stick to trapezoidal screws if your linear speed stays low; opt for ball screws for fast continuous travel
• 3.Position Accuracy: Ground trapezoidal screws for tighter tolerance needs, rolled screws for standard positioning
• 4.Project Budget: Trapezoidal screws offer far better cost performance than precision ball screws