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10-11" Imperial Outside Micrometer - 3203 Series (Insize)
| Range (Inch) | 10-11 |
| Setting Ring | 287.5mm (optional) |
| l | 11.22 |
| a | 0.764 |
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Description
The 10-11" Imperial Outside Micrometer from Insize 3203 Series is a precision tool designed to accurately measure external dimensions with a clear, easy-to-read scale. Ideal for engineers, machinists, inspectors, and hobbyists, it provides consistent, repeatable readings on bolts, shims, and other components where tight tolerances matter.
This micrometer features carbide measuring faces for extended tool life and better durability in everyday shop use. It is supplied with setting standards (except 0-1"), enabling quick setup and reliable reference checks so your measurements stay consistent across jobs. The model covers imperial measurements in its 10–11" class and lists sizes up to 12", giving you flexibility for a wide range of applications.
- 0.0001" graduation: Delivers precise, repeatable readings for tight tolerances on external dimensions.
- Carbide measuring faces: Improve wear resistance and extend tool life in busy metalworking environments.
- Setting standards included (except 0-1"): Enables fast, reliable setup and consistent measurements across projects.
By combining accurate scale, durable construction, and convenient setup features, this micrometer helps you speed up gauging tasks, reduce rework, and achieve dependable results across a wide range of parts and fixtures.
Part Numbers
- Protool Part Number
- 3203-11A
- Brand
- Insize
- Category
- Measuring Tool
Delivery
Free UK mainland delivery on orders over £50 ex VAT. In-stock items ordered before 4:30pm are dispatched the same working day. Full delivery information.
Returns
14-day returns on unused stock items in original packaging. Special-order and bespoke tooling is non-returnable. Read our returns policy.
Technical Support
Over 30 years of machining experience behind the counter. Call 01732 887334, Mon–Thurs 8:30–17:30, Fri 8:30–16:30.
Trade Accounts
Credit accounts, contract pricing and scheduled call-off orders available for trade customers. Apply for an account.
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 3203-11A. 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 | 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 Viewing | 10-11 | ±.00035 | £113.18 | 4-5 days |
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