- The anvil and spindle have a small diameter for measuring splined shafts, slots, and keyways.
- With Ratchet Stop for constant force.
- With SPC output
- With a standard bar except 0-1” model.
- Carbide tipped Measuring faces:
- Battery life*: Approx. 1.2 years under normal use
- Dust/Water protection level*: IP65
- MeasurLink Enabled
- Type A & B anvils available (see below)

Mitutoyo - Digital Spline Micrometers - (IP65) - 331 Series
| Item No. | Range | Anvil Dia.- Length - Type | Graduation | MSRP | Our Price | QTY |
|---|---|---|---|---|---|---|
| 331-351-32 | 0 - 1" | .120" Dia. x .400" L - Type A Anvils | .00005" / .001mm | $609.00 | $548.00 | |
| 331-361-30 | 0 - 1" | .080" Dia. x .200" L - Type B Anvils | .00005" / .001mm | $609.00 | $548.00 | |
| 331-352-30 | 1 - 2" | .120" Dia. x .400" L - Type A Anvils | .00005" / .001mm | $685.00 | $615.50 | |
| 331-362-32 | 1 - 2" | .080" Dia. x .200" L - Type B Anvils | .00005" / .001mm | $685.00 | $615.50 | |
| 331-353-32 | 2 - 3" | .120" Dia. x .400" L - Type A Anvils | .00005" / .001mm | $712.00 | $641.00 | |
| 331-354-30 | 3 - 4" | .120" Dia. x .400" L - Type A Anvils | .00005" / .001mm | $858.00 | $772.00 | |
| 331-364-30 | 3 - 4" | .080" Dia. x .200" L - Type B Anvils | .00005" / .001mm | $858.00 | $772.00 |
Features:
