M4 Screw Probe Stylus

M4 screw stylus is usually used for the high-precision probes and the special probes of the company's various series of machine tools.The M4 screw stylus range comprise many different types, varying in size and material. We have straight styli, star styli, disc styli, cylinder styli and so on. The following shows some of the M4 screw stylus. You can download our pioneer stylus brochure or contact us to get more information.

M4 screw stylus is usually used for the high-precision probes and the special probes of the company's various series of machine tools.The M4 screw stylus range comprise many different types, varying in size and material. We have straight styli, star styli, disc styli, cylinder styli and so on. The following shows some of the M4 screw stylus. You can download our pioneer stylus brochure or contact us to get more information.

L1 Overall length

L2 Effective working length

D1 Ball diameter

Ø =4mm（M3）

Overall length L1

It is measured from the rear mounting face of the stylus to the centre of the ball.

Effective working length L2

This is measured from the centre of the ball to the point at which the stem will foul against the feature when measuring 'normal' to the part.

As a professional probe factory, Pioneer has high-quality pioneer probes for sale. Welcome to contact us if needed.