Mitutoyo 126-139 Screw Thread Micrometer Interchangeable Tips, 2 to 3”

 Description

The Mitutoyo 126-139 Screw Thread Micrometer is a mechanical, analog micrometer with a 2–3" measuring range, used to accurately measure the pitch diameter of screw threads. It features a ratchet stop to ensure a constant measuring force for repeatable results. This tool requires interchangeable anvil and spindle tips, which are sold separately, to measure different thread types and sizes. 

Key features

• Interchangeable V-anvil and conical spindle tips: Allows the micrometer to measure the pitch diameters of different Unified, Metric, and Whitworth screw threads. The tip sets are sold separately.
  
• Ratchet stop mechanism: Ensures consistent and repeatable measurements by providing a constant measuring force. An audible click signals when the correct pressure has been applied.
  
• Precision and accuracy: Features a measuring range of 2–3 inches, a graduation of 0.001", and an accuracy of ±0.0002".
• Frame: Features a hard-wearing baked enamel finish for durability.
  
• Sleeve and thimble: Coated with a satin chrome finish to make the markings resistant to wear and easy to read.
  
• Spindle lock: A locking nut is included to secure the spindle and hold the measurement in place for more accurate readings.
  
• Standard bar: Comes with a standard bar to calibrate the micrometer for the 2–3" range.
  
• Fitted plastic case: A protective case is included for safe storage and transport.
  
• Mechanical operation: An analog tool that does not require a battery.