INSIZE Non-Rotating Spindle Digital Micrometer

Measure Cylinders Accurately With the INSIZE Non-Rotating Spindle Digital Outside Micrometer

Trying to measure a cylindrical part and watching the spindle twist against the surface? That tiny rotation scuffs your workpiece and skews your reading. This micrometer keeps the spindle from turning as it advances, so the measuring face stays put on your part. Add carbide faces, a ratchet stop for consistent force, and resolution down to 0.0005 mm, and you get repeatable numbers you can trust across a wide range of sizes.

• Non-rotating spindle: advances without turning, so the face stays flat on cylinders and round stock with no scuffing.
• Carbide faces: hard, wear-resistant contact points that hold their flatness and parallelism over long-term use.
• Ratchet stop: applies a controlled 5-10N measuring force every time, cutting out operator-to-operator variation.
• Fast spindle feed: one turn of the sleeve or ratchet stop moves the spindle 2mm, reaching your target size in fewer turns.
• Face precision: flatness of 0.3μm and parallelism of 0.5μm for consistent contact across thousands of readings.
• Accuracy: ranges from ±2 μm to ±7 μm depending on the model and stroke length.
• Resolution: switch between 0.01mm/0.0005", 0.001mm/0.00005", and 0.0005mm/0.00002" on every model.
• Range options: twelve models from 0-30mm up to 275-305mm, so there's a fit for small parts and large-diameter work alike.
• Consistent feel: every size in the series shares the same non-rotating spindle, carbide faces, and ratchet stop.

How the INSIZE High Precision Non-Rotating Micrometer Improves Cylinder Measurement

On a standard micrometer, the spindle spins as it closes, dragging its face across whatever it touches. On a curved or cylindrical surface, that twisting motion can shift your contact point and mark softer materials.

Here the spindle advances without rotating, which means:

• The measuring face sits flat against cylinders and round stock for a true reading.
• No scuffing or scoring from a turning face.
• Consistent contact every time you close on the same part.

This design makes it well suited to shafts, pins, and any round profile where a rotating spindle would fight you.

Fast Feed and Steady Force in This INSIZE High Precision Digital Micrometer

Speed and repeatability usually pull in opposite directions. This tool gives you both.

• Quick measurement: one turn of the sleeve or ratchet stop moves the spindle a full 2 mm, so you reach your target size in fewer turns.
• Ratchet stop: closes with a controlled measuring force of 5-10N, so every reading uses the same pressure regardless of who is holding it.

Less over-tightening, less operator variation, more agreement between readings.

Wear-Resistant Faces Set the INSIZE Carbide Faces Non-Rotating Spindle Micrometer Apart

The measuring faces are carbide, chosen for hardness and wear resistance. They hold their geometry through heavy shop use, keeping your accuracy stable over the long run. The face quality backs that up:

• Flatness of measuring faces: 0.3μm
• Parallelism of measuring faces: 0.5μm

Flat, parallel, hard-wearing faces mean the contact stays true across thousands of measurements.

Product Specs

Product Attachments

INSIZE Specification Sheet (Product Datasheet)