Automatic CNC Tool Sensor Mach3 Z Axis Probe

5.0 · 8 reviews
Price range: $34.16 through $39.59
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Automatic CNC tool sensor with precise 5mm stroke and 0.001mm repeat accuracy. Compatible with Mach3 and NCstudio controllers for milling machines and engraving routers.

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Estimated Delivery Time3–7 business days

Precision sensing for CNC machining

This automatic CNC tool sensor offers exceptional accuracy with a repeatability of 0.001mm and a stroke length of 5mm, enabling precise Z axis probing for milling machines and engraving routers.

Designed for compatibility with popular CNC controllers such as Mach3 and NCstudio, it streamlines tool height setting and zero checking automatically.

Durable materials and robust design

Featuring an aluminum cutter face and a magnetic base, the sensor ensures reliable contact and easy mounting during operation.

The sensor is rated IP67, providing protection against dust and water, making it suitable for industrial environments.

  • Aluminum cutter face for durability
  • Magnetic base for secure attachment
  • IP67 rated dust and water protection

Efficient electrical and mechanical specifications

Operating on DC 10 – 30 V with a current of ≤20mA, this sensor balances performance and power efficiency.

Touch power ranges between 1.3N and 2.4N, allowing sensitive and reliable tool detection.

  • Voltage: DC 10-30 V
  • Current: ≤20mA
  • Touch power: 1.3N-2.4N

Wide working conditions

The sensor functions reliably in temperatures from -25 to 70 °C, suitable for diverse machining environments.

Key specifications

  • Stroke: 5mm
  • Repeat accuracy: 0.001mm
  • Protection level: IP67
  • Applicable controllers: Mach3, NCstudio
  • Material for cutter face: Aluminum
  • Working temperature: -25~70 ℃
  • Base: Magnetic

What's in the box

  • Automatic CNC Tool Sensor
Product FAQ

Frequently asked questions

01 What is the stroke length of this CNC tool sensor?

The sensor has a stroke length of 5mm.

02 What is the repeat accuracy of this CNC tool sensor?

The repeat accuracy is 0.001mm.

03 Which CNC controllers is this sensor compatible with?

It is compatible with NCstudio and Mach3 controllers.

04 What is the operating voltage range of the sensor?

The sensor operates on DC voltage from 10 to 30 V.

05 What is the maximum current drawn by the sensor?

The sensor current is less than or equal to 20mA.

06 What material is used for the cutter face?

The cutter face is made of aluminum.

07 What is the working temperature range for the tool sensor?

The working temperature range is between -25 and 70 degrees Celsius.

08 What is the protection rating of the sensor?

The sensor is rated IP67 for dust and water resistance.

09 What type of base does the sensor use?

It uses a magnetic base.

10 What is the touch power required for sensor activation?

The touch power ranges from 1.3N to 2.4N.

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Weight—
AvailabilityIn stock
SKUGA_189201

Discussion

5.0
Based on 8 reviews
Rating
V***c January 28, 2026 ★ ★ ★ ★ ★

Perfect

AliExpress Shopper January 24, 2026 ★ ★ ★ ★ ★

Arrived in time as promised. Good quality as expected.

AliExpress Shopper January 14, 2026 ★ ★ ★ ★ ★

The seller sent exactly the product he promised, it measures very accurately and beautifully, the shipping and delivery were very fast, I thank him.

R***o December 17, 2025 ★ ★ ★ ★ ★

Everything okay, safe and very well packaged.

t***n December 15, 2025 ★ ★ ★ ★ ★

It was shipped quickly and arrived very fast, worked perfectly. The seller is reliable and knowledgeable, thank you.