Nanjing Shuntai - Precision Ballscrews & Linear Guides Manufacturer

About Shuntai

Nanjing Shuntai is a leading manufacturer of precision mechanical components including ballscrews, linear guides, shaft couplings, and CNC-machined parts. With advanced CNC capabilities and a strong focus on quality, we deliver reliable motion control solutions for industrial automation, CNC machinery, and high-tech equipment.

Our factory supports custom manufacturing (OEM/ODM) and offers over 1,000 types of standard and non-standard parts. From miniature ball screws to large trapezoidal lead screws, we provide tailored solutions to meet your exact specifications.

1000+

Product Variants

7 Days

Average Delivery

Our Products

High-precision components for industrial automation and CNC systems

Ball Screw SFU3210

For CNC machines, high precision, C3/C5/C7 accuracy grades

Material: GCr15 Bearing Steel
Length: 200–550 mm
Process: Rolled/Ground
Hot Tags: cnc ball screw, c3 ball screw

Miniature Ball Screw FSB

Compact design, replaces TBI models, ideal for small CNC systems

Application: CNC Engraving, 3D Printers
Size: Miniature (customizable)
Feature: Low noise, high precision
Delivery: 7 Days

SBR Linear Guide Rail

Sizes: 12, 16, 20, 25, 30, 35, 40, 50. High load capacity

Type: Standard & Curved Options
Precision: CA/HA Grade
Material: High-Carbon Steel
OEM: Custom lengths available

LW Series Shaft Coupling

Threaded wire design, high torsional stiffness, zero backlash

Type: Flexible, Clamp Style
Material: Stainless Steel
Use: Stepper/Servo Motors
Feature: Encoder-compatible

TR32 Trapezoidal Screw

32mm diameter, brass nut, CNC-threaded rod for heavy-duty motion

Diameter: 32mm
Nut Material: Brass
Process: CNC Machined
Application: Industrial actuators

Ball Screw Support Seat

Supports end fixation, reduces vibration, improves rigidity

Type: Fixed & Floating Options
Compatibility: SFU, DFU, SFE series
Material: Cast Iron / Steel
OEM: Custom mounting patterns

Curved Linear Guide GGY16

Custom curved rail for specialized automation paths and robotics

Radius: Customizable
Precision: High Accuracy (C3/C5)
Process: CNC Bent & Ground
ODM: Full design support

Linear Module System

Integrated guide + ball screw + motor mount. Plug-and-play motion stage

Type: Single & Multi-Axis
Travel: 100–2000 mm
Load: Up to 500 kg
Application: Pick & Place, CNC

View All 1000+ Products

Why Choose Shuntai?

Engineered for performance, precision, and reliability

Factory Direct

No middlemen. Competitive pricing from our Nanjing manufacturing facility.

OEM/ODM Support

Custom designs, non-standard sizes, and full engineering collaboration.

Fast Delivery

Average 7-day dispatch. Shipping from Shanghai port worldwide.

Quality Assured

GCr15 steel, precision grinding, and strict QC for long operating life.

Frequently Asked Questions

How do I choose a ball screw for my CNC machine?

Consider load capacity, speed, accuracy (C3/C5/C7), rigidity, and required travel length. For high-speed CNC routers, use ground screws with C3 precision. For general use, rolled C5 screws offer good value. Always match the screw diameter and lead to your motor torque and desired feed rate.

Can you manufacture non-standard parts?

Yes. We specialize in custom ballscrews, linear guides, and CNC-machined components. Provide your drawings or specifications and we’ll quote fast. OEM and ODM services available.

What materials do you use?

GCr15 bearing steel for ballscrews and guides. Stainless steel and aluminum for couplings. Brass for trapezoidal nuts. All materials meet international standards for durability and precision.

What is the delivery time?

Standard products ship in 7 days. Custom orders take 15–25 days depending on complexity. We ship from Shanghai to worldwide destinations via air or sea freight.

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