Mitutoyo; Thread Micrometer This Screw Thread Micrometer has a fixed anvil, offering the following benefits: Fixed anvil type. It directly indicates screw pitch diameter, meaning no need for calculation. A Mitutoyo non-digital micrometer designed to mount easily interchangeable anvils/spindle-tips for measuring a wide range of screw threads. The highly stable frame incorporates a heat shield to preserve accuracy over extended measuring sessions. A ratchet stop guarantees repeatable measurement. Specification Digital/Analog: Analog Delivered: Including box, spanner, setting standard 60° (inch) Inch-Metric: Inch Range: 2 - 3 " Graduation: 0,001" Spindle feed error: 0.00015 inch Measuring face: Interchangeable anvil/spindle inserts (optional) Measuring spindle: With spindle lock, ø6,35 mm, spindle pitch 0,5 mm Scale: Thimble and sleeve satin chrome finish, ø18 mm Measuring force: 5 - 10 N Mass: 390 g