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The Pi Tape PM3EZID inside diameter tape measures the inside diameter of bores, pipe, housings and rings from 600 to 900 mm directly. Its scale is graduated in units of π, so it reads the diameter rather than the circumference, and a vernier gives the fine reading.
| Model · Type | PM3EZID · Inside diameter (I.D.) |
| Measuring range | 600 to 900 mm |
| Reading · Accuracy | Metric, vernier to 0.01 mm · ±0.03 mm |
| Material | Blue Easy-to-Read (on 1095 spring steel). High-contrast blue finish for easier reading in poor light; for non-corrosive conditions. |
| Tape width · thickness | 1/4″ (6.35 mm) gage, 1/2″ (12.7 mm) body · 0.010″ (0.25 mm) |
| Calibration | Calibration report traceable through NIST to SI units, from Pi Tape’s ISO/IEC 17025 accredited lab |
| Made by | Pi Tape Texas, LLC, Tyler, Texas, USA |
Using it: clean the tape and the part, set the tape square inside the bore, read the main scale at the vernier zero, then add the vernier line that lines up exactly. Pi Tape’s instruction sheet comes with the tape.
All Pi Tape models and ranges → · Pi Tape guide on jealco.com →
Minimum Order Requirement: $100 | Free Domestic Shipping on orders of $250 or more.
