Probe Styli | McMaster-Carr

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Mounting Thread Size

End Diameter

0.05 mm to 3 mm

0.1 mm to 1.4 mm

0.1 mm to 1.5 mm

Overall Length

Ball Diameter

Stylus End Shape

Stem Material

Stainless Steel

Tungsten Carbide

Effective Working Length

End Material

High-Carbon Steel

Tungsten Carbide

Manufacturer Model Number

Stem Diameter

Mounting Thread Pitch

Body Material

Stainless Steel

Mounting Thread Gender

Precision Ball Grade

Manufacturer

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

System of Measurement

DFARS Specialty Metals

REACH

Tip Shape

Component

5-Way Stylus Center

Break Stem Installation Kit

Offset Stylus Extension

Probe and Base Kit

Stylus Extension

Stylus Installation Tool

Stylus Thread Adapter

Touch-Trigger Probe Adapter

Material

Stainless Steel

Tungsten Carbide

Diameter

Contact Point Type

Shock-Absorbing Radius

Number of Pieces

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325 Products

Probe Styli

Probe Styli

Our most general purpose probe styli work with touch-trigger and scanning probes

Probe Styli for Aluminum

Probe Styli for Aluminum

Aluminum won't rub off on your stylus, so the ball end keeps its shape

Probe Styli for Cast Iron

Probe Styli for Cast Iron

Minimize friction on cast iron to prevent damage to the workpiece and stylus

Probe Styli for FARO arms

Probe Styli for FARO arms

Thread directly onto your FARO arm

Probe Styli for Thin Materials

Probe Styli for Thin Materials

Measure holes and edges on sheet metal and other thin materials

Probe Styli for Undercuts and Grooves

Probe Styli for Undercuts and Grooves

Slip into undercuts and grooves that are too narrow for other styli

Probe Styli Kits

Probe Styli Kits

Keep a variety of common stylus sizes, extensions, and tools on hand

Probe Styli for Threads and Lines

Probe Styli for Threads and Lines

A thin tip fits into grooves, lines, and threads that are too narrow for ball styli

Large Diameter Probe Styli

Large Diameter Probe Styli

Our largest ball styli probe large bores and deep features

Other Products

Probe Stylus Accessories

Probe Stylus Accessories

Add components that extend length, adapt threads, or hold multiple styli at once

Probe Break Stems

Probe Break Stems

Snap in two during an impact to protect probe styli from damage

Variance Indicator Contact Points

Variance Indicator Contact Points

Attach to your variance indicator to make contact with the workpiece being measured

Machine Tool Indicator Contact Points

Machine Tool Indicator Contact Points

Replace the contact point on your machine tool indicator

Coordinate Measurement Machine Probes

Coordinate Measurement Machine Probes

Take 3D measurements of workpieces on your CMM or CNC machine to inspect for quality

Probe Stylus Installation Tools

Probe Stylus Installation Tools

Thread a stylus into your probe for a tight hold

Machine Tool Indicators

Machine Tool Indicators

Find the exact edge of a workpiece without math or guesswork to quickly align your machining setup

Robot Tool Changer Calibration Styli

Robot Tool Changer Calibration Styli

Calibrate robot arm movement for precision in tasks such as attaching fasteners

Calibration Spheres

Calibration Spheres

Test your CMM probe and stylus against a precise reference point before you start inspecting

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)