Tubular Vernier Inside Micrometer With Extension Rods, 2 To 20 Inch Range, 0.001 Inch Graduation, Ultra Precise Internal Measurement Tool For Cylinders, Rings And Parallels, Includes Six Extension Rods
✔️ 2-20 inch internal measurements, 0.001 inch graduations, six rods
This tubular vernier inside micrometer is a precision internal metrology tool designed to measure bore diameters, pockets, and internal features with high accuracy. It’s commonly used in shops and manufacturing environments to check cylinders, rings, and parallel surfaces where true bore size matters.
✅ Range: 2-20 inches with 0.001 inch graduation
✅ Six extension rods included: 0.5", 1", 2" (two), 4", 8"
✅ Slow head travel provides fine positioning and controlled advancement
✅ Ideal for precise internal measurements of cylinders, rings, and parallels
💡 What is a tubular vernier inside micrometer used for in precision bore measurement? This handy tool helps check internal diameters with high accuracy. - Used for measuring bores in cylinders and rings - Provides 0.001 inch resolution for tight tolerances - Extension rods cover 2 to 20 inches - Slow head travel minimizes over-tightening and improves repeatability