Linear Guide Shaft W12 H6 / 0025 - precision hardened shaft

Linear shaft Ø12 mm W12, tolerance H6 - guide rod for CNC and automation

The Linear Guide Shaft W12 H6 / 0025 is a precision shaft with a 12 mm diameter (W12) and H6 tolerance, designed for linear motion systems. Manufactured from high-quality steel, hardened and ground for durability, it ensures smooth operation in demanding industrial applications.

Technical Specifications

• Type: W12 (Ø12 mm)

• Tolerance: H6 (ISO standard class of precision)

• Length: standard sizes (500 mm, 1000 mm, 2000 mm) or cut to size

• Material: high-quality steel, often CF53 for linear shafts

• Surface: hardened & ground for maximum wear resistance

• Surface hardness: ~59-64 HRC

• Case hardening depth: approx. 0.8-1.2 mm

• Surface roughness: Ra ≈ 0.2 μm

Key Features & Benefits

• High precision linear shaft - compatible with linear bearings and bushings

• Hardened and ground surface - extended service life

• Standardized size Ø12 mm (W12) - easy integration into linear systems

• Excellent straightness & roundness for smooth linear motion

• Cost-effective solution for CNC machines, automation, packaging machines, and robotics

Typical Applications

• CNC machines and milling systems

• Automation and robotics

• Linear guides with ball bearings or bushings

• Packing and processing machinery

• General mechanical engineering

FAQ - Frequently Asked Questions

1. What does W12 H6 / 0025 mean?
“W12” refers to a shaft with a 12 mm diameter, “H6” indicates the precision tolerance class, and “/0025” refers to a batch or specification code.

2. What lengths are available?
Standard lengths are 500 mm, 1000 mm, and 2000 mm, but shafts can also be cut to customer requirements.

3. What is the hardness of this shaft?
The shaft surface is typically 59-64 HRC with a case hardening depth of 0.8-1.2 mm.

4. Is it suitable for linear bearings?
Yes - it is designed for use with linear ball bearings, bushings, and shaft guidance systems.

5. Is corrosion resistance available?
Standard shafts are hardened steel; optional chrome plating or stainless steel versions offer higher corrosion resistance.