The Mitutoyo internal measuring screw is a precise measuring instrument specifically designed for measuring grooves, notches, and hole distances. With a measuring range of 25 to 50 millimeters and a resolution of 0.01 millimeters, it offers a high accuracy of 6 micrometers. The spindle is fully hardened, ground, and lapped, ensuring the durability and reliability of the device. The measuring surfaces are convex and equipped with carbide for optimal measurement accuracy. The scale drum and scale sleeve are matte chrome-plated and feature cleanly engraved graduations and numbers for easy readability. The internal measuring screw comes in a practical case that also includes an adjustment key to facilitate handling.

• Precise measurement of grooves and notches
• High-quality carbide measuring surfaces for durability
• Consistent measuring pressure through feel ratchet
• Supplied in a case with adjustment key.