Outside Micrometers for Grooves and Keyways with Calibration Certificate
These micrometers come with a calibration certificate traceable to NIST that states they've passed a test for accuracy. The anvil and spindle are shaped for measuring small grooves and keyways. Each micrometer has a ratchet-stop thimble with a speeder knob to reduce the time it takes to open and close the micrometer. A constant-force mechanism stops the micrometer’s spindle from tightening once it contacts the surface of the measured object. This ensures repeatable measurements and prevents over-tightening. When the spindle stops tightening, the thimble stops turning, but the speeder knob will continue turning with a clicking sound.
142 models have a mechanical analog counter that displays measurement readings. They do not require batteries.
| Measuring Range | Accuracy | Measuring Increments | Throat Dp. | Point Angle  | Analog Counter Numeric Increments | Features | Manufacturer Model Number | Each | |
Mitutoyo Micrometers with Analog Display | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Ratchet-Stop Thimble | |||||||||
| 0"-1" | ±0.00015" | 0.001" | 1.496" | 15° | 0.001" | Vernier Scale | 142-177 | 0000000 | 0000000 |
Outside Micrometers for Grooves and Keyways
The anvil and spindle are pointed for measuring small grooves and keyways. Each micrometer has a ratchet-stop thimble with a speeder knob to reduce the time it takes to open and close the micrometer. A constant-force mechanism stops the micrometer’s spindle from tightening once it contacts the surface of the measured object. This ensures repeatable measurements and prevents over-tightening. When the spindle stops tightening, the thimble stops turning, but the speeder knob will continue turning with a clicking sound.
142 models have a mechanical analog counter that displays measurement readings. They do not require batteries.
| Measuring Range | Accuracy | Measuring Increments | Throat Dp. | Point Angle | Analog Counter Numeric Increments | Features | Manufacturer Model Number | Each | |
Mitutoyo Micrometers with Analog Display | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Ratchet-Stop Thimble | |||||||||
| 0"-1" | ±0.00015" | 0.001" | 1.496" | 15° | 0.001" | Vernier Scale | 142-177 | 0000000 | 0000000 |