Inside Micrometers Rod Type The Rod Type Inside Micrometer is a precision measuring instrument designed for accurate measurement of internal diameters, bores, cylinders, pipes, and other internal dimensions. The instrument utilizes interchangeable extension rods, allowing a single micrometer set to cover a wide measuring range while maintaining excellent accuracy and repeatability. Ideal for machine shops, manufacturing industries, automotive applications, heavy engineering, quality control departments, and metrology laboratories, the Rod Type Inside Micrometer offers a practical and cost-effective solution for precision internal measurements. The interchangeable rod system enables users to configure the instrument according to the required measuring range, making it suitable for both small and large bore inspections. Features • Wide Range Internal Diameter Measurement • Interchangeable Extension Rod System • Precision Internal Measurement • Suitable for Bores, Pipes, and Cylinders • High Accuracy and Repeatability • Easy Rod Assembly and Adjustment • Durable Industrial Construction • Cost-Effective Measuring Solution • Ideal for Workshop and Quality Control Applications Technical Specifications Model: 330-050 • Measuring Range: 25 – 50 mm • Graduation: 0.01 mm • Micrometer Head Travel: 7 mm • Accuracy: (3 + n + L/50) µm • Extension Rods Included: 2 Pieces --- Model: 330-200 • Measuring Range: 50 – 200 mm • Graduation: 0.01 mm • Micrometer Head Travel: 13 mm • Accuracy: (3 + n + L/50) µm • Extension Rods Included: 6 Pieces --- Model: 330-300 • Measuring Range: 50 – 300 mm • Graduation: 0.01 mm • Micrometer Head Travel: 13 mm • Accuracy: (3 + n + L/50) µm • Extension Rods Included: 10 Pieces Accuracy Formula: • n = Number of Extension Rods Used • L = Maximum Measuring Length (mm) Applications • Internal Diameter Measurement • Bore Inspection • Pipe Internal Diameter Measurement • Cylinder Bore Measurement • Precision Engineering Applications • Manufacturing Quality Control • Automotive Component Inspection • Heavy Engineering Industries • Tool Room Inspection • Industrial Metrology Applications Product Video: Paste YouTube Video Link Here For more information about the Inside Micrometers Rod Type, please contact us at 08045134493 or email [vhk_08@yahoo.com](mailto:vhk_08@yahoo.com). Our team will be happy to assist you with product specifications, pricing, and application support.