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2-3" Imperial Outside Micrometer - 3203 Series (Insize)
| Range (Inch) | 2-3 |
| Setting Ring | 287.5mm (optional) |
| l | 3.228 |
| a | 0.591 |
| b | 1.929 |
| Accuracy | ±.00020 |
Learn more about Klarna
Meet the 2-3" Imperial Outside Micrometer from Insize, a precision instrument designed for quick, repeatable external measurements in the 2–3 inch range. As part of the 3203 Series, this micrometer is one of Insize’s best‑selling models, trusted in busy shops for its reliability and consistent performance. It features carbide measuring faces for extended tool life and a fine 0.0001 inch graduation for confident, repeatable readings.
- Carbide measuring faces for longer tool life: The carbide contact faces resist wear from tough materials and routine use, helping the instrument stay accurate longer and require less maintenance in day‑to‑day shop work.
- 0.0001 inch graduation for precise readings: Ultra-fine graduations enable quick, accurate measurements with minimal guesswork, supporting tight tolerances on every part.
- Setting standards included (except 0-1"): Comes with setting standards to speed up setup and ensure reliable zeroing and repeatable results across measurements.
This outside micrometer is designed to streamline measurement workflows: it delivers dependable, repeatable results, reduces rework, and supports consistent quality across parts. With robust carbide faces and precise graduations, you can measure with confidence, while the included setting standards help you achieve quick, accurate references every time.
| Range (Inch) | 2-3 |
| Setting Ring | 287.5mm (optional) |
| l | 3.228 |
| a | 0.591 |
| b | 1.929 |
| Accuracy | ±.00020 |
| Read Out | Analogue |
| mm or Inch | inch |
| Data Output | No |
| Individual or Set | Individual |
| Graduation | 0.0001 |
What time are Protool open?
We are open Monday to Friday between 8:30am and 5pm.
Do you offer Free Next Day delivery?
Yes! We offer Free Next Day delivery via Royal Mail Tracked 24 on all orders over £50 ex VAT*. We also offer Free DPD Local Next Day delivery on all orders over £100 ex VAT*.
We also offer the following:
- Royal Mail Tracked 24 — £5.90 (FREE on orders over £50 ex VAT*). Order before 4:30pm for next day delivery. No signature required.
- DPD Local Next Day — £8.00 (FREE on orders over £100 ex VAT*). Standard next day delivery to UK mainland addresses.
- Royal Mail Special Delivery — £12.50. Guaranteed delivery before 1pm the next working day.
- DPD Saturday Delivery — £25.00. Must be ordered on Friday before 4pm. Pre-12pm delivery.
For delivery to Scottish Highlands & Islands, Northern Ireland, Republic of Ireland, or overseas locations, additional charges apply. Please see our delivery page for full details, or call us on 01732 887 334.
*T's & C's and exclusions apply. Please see our delivery page for more information on all our services.
Full Range: Imperial Outside Micrometers - 3203 Series (Insize)
View full collection →You are viewing 3203-3A. Click any other SKU to view its full details.
| Product SKU | Range (Inch) | Accuracy | Price | Stock | Order |
|---|---|---|---|---|---|
| 3203-1A | 0-1 | ±.00015 | £27.89 | 4-5 days | |
| 3203-2A | 1-2 | ±.00015 | £31.45 | 4-5 days | |
| 3203-3A Viewing | 2-3 | ±.00020 | £36.96 | 4-5 days | |
| 3203-4A | 3-4 | ±.00020 | £41.32 | 4-5 days | |
| 3203-5A | 4-5 | ±.00025 | £54.75 | 4-5 days | |
| 3203-6A | 5-6 | ±.00025 | £62.10 | 4-5 days | |
| 3203-7A | 6-7 | ±.00028 | £81.04 | 4-5 days | |
| 3203-8A | 7-8 | ±.00028 | £84.94 | 4-5 days | |
| 3203-9A | 8-9 | ±.00031 | £91.60 | 4-5 days | |
| 3203-10A | 9-10 | ±.00031 | £102.16 | 4-5 days | |
| 3203-11A | 10-11 | ±.00035 | £113.18 | 4-5 days |
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