Ensure accurate internal diameter measurements with a high-precision inside micrometer. Ideal for inspecting bores, cylinders, bearing seats, and machined components, this instrument provides exceptional accuracy and repeatability for quality control and dimensional verification applications.

Types:
• Tubular inside micrometer
• Digital inside micrometer
• Three-point inside micrometer
• Interchangeable extension rod models

Specifications & Ranges:
• Measuring ranges: 5-30 mm, 25-50 mm, 50-300 mm, up to 1000 mm
• Resolution: 0.001 mm / 0.00005"
• Accuracy: ±3–6 μm
• Features: Self-centering measuring heads, extension rods, ratchet stop, digital display options