Soft Shaft Hard Shaft 25 Chrome-plated Rod Optical Shaft


The Soft Shaft Hard Shaft 25 Chrome-plated Rod Optical Shaft is a high-performance mechanical component designed for smooth linear motion. With its impressive load-bearing ability, precision outer diameter, and reliable quenching thickness, it can be custom-tailored for various industrial applications. Its chrome-plated variant offers added durability in harsh conditions.

Soft Shaft Hard Shaft 25 Chrome-plated Rod Optical Shaft

Introducing the high-performing Soft Shaft Hard Shaft 25 Chrome-plated Rod Optical Shaft from ZLV, a robust and reliable solution for your mechanical needs. Designed with precision and functionality in mind, this product offers unparalleled performance and can be custom-tailored to fit your unique specifications.


Model WCSΦ25, as presented in the following table, showcases exceptional load-bearing ability, a notable outer diameter, and a reliable quenching thickness. Here are the detailed specifications:

Specification WCSΦ25
Outer Diameter 25
Tolerance G6 -0.007-0.020
Hard Shaft (mm) 1.5
Flexible Shaft 0
Load (N/M) 900
Weight (KG/M) 3.85
Unit-Price/Meter (USD) 3.2

This optical shaft serves as a guide for sliding bearings, enabling your products to execute smooth linear motion. Requirements for this system include a straightforward design, top-notch execution, low-cost maintenance, and the use of carefully selected durable materials.

Soft Shaft Hard Shaft 25 Chrome-plated Rod Optical Shaft drawing

Categories & Materials

The product can be classified into five categories based on material, hardness, depth of the hardened layer, surface roughness, straightness, and outer diameter tolerance.

  1. Ordinary Linear Optical Shaft (SF): It is made of SUJ2 material (equivalent to national standard GCR15), which provides high surface hardness due to its point contact with the linear bearing.
  2. Chrome-Plated Linear Optical Shaft (SFC): Built on the foundation of the ordinary optical shaft, this variant has a layer of hard chrome, making it suitable for environments prone to rusting or harsh conditions.
  3. Chrome-Plated Linear Soft Shaft (RSFC): It has a thick layer of chrome that can be used directly for precision piston rods and some self-lubricating bearings. With a moderate hardness, it has widespread applications.
  4. Stainless Steel Linear Shaft: Boasting high corrosion resistance, strength, and abrasion resistance, this shaft is ideal for scenarios prone to oxidation, such as water, chemicals, steam, seawater, etc.
  5. Chrome-Plated Hollow Shaft: With its hollow structure, this shaft significantly reduces weight and simplifies the structure, making it suitable for running measuring wires, compressed air, lubricating oil, or serving as a robot arm.


Our Optical Shaft is widely used in industrial robots, various electronic devices/guide rods, drive shafts, pillars. It is also applicable in electronics, packaging, chemical medical, textile, printing, engineering, transportation, steel, mining, hydraulic cylinders, gas cylinders, operating rods, adjusting rods, linear motion, automation devices, and more. If you operate in sectors such as light industry, heavy industry, hydraulics, printing packaging, textile printing and dyeing, die-casting machines, injection molding machines, or sliding devices, you will find our optical shaft to be an optimal choice.

With ZLV, you are guaranteed a product that seamlessly blends high functionality, durability, and adaptability. Trust in us to provide you with a product that perfectly fits your requirements and exceeds your expectations. Experience the best in industry-standard machinery with ZLV’s Soft Shaft Hard Shaft 25 Chrome-plated Rod Optical Shaft.

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