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6-7" Imperial Outside Micrometer - 3203 Series (Insize)
| Range (Inch) | 6-7 |
| Setting Ring | 287.5mm (optional) |
| l | 7.205 |
| a | 0.764 |
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Description
The 6-7" Imperial Outside Micrometer from the Insize 3203 Series is a precision measuring tool designed for engineers, machinists, tradespeople, and hobbyists who need accurate outside-diameter checks in imperial units. Built for everyday workshop use, it delivers reliable, repeatable readings to help ensure parts fit properly and tolerances are met.
With a fine 0.0001" graduation, this micrometer provides the resolution you need to verify tight tolerances quickly and confidently. It features carbide measuring faces for longer tool life and improved durability in busy shop environments. The 3203 outside micrometer is supplied with setting standards to speed up setup and improve repeatability, (note: this applies except for the 0-1" range).
- 0.0001" graduation: Delivers precise, easy-to-read measurements that help you confirm small tolerances and maintain consistent part quality.
- Carbide measuring faces: Stand up to daily wear, extending tool life and preserving measurement accuracy through heavy use.
- Includes setting standards: Enables quick, repeatable zeroing and setup to streamline workflows (excluding the 0-1" range).
Designed for real-world use, this micrometer supports faster inspection cycles, reduces rework, and helps keep your production or maintenance tasks on schedule. Its combination of fine resolution, durable construction, and convenient setup makes it a reliable choice for any shop floor or workstation environment.
Part Numbers
- Protool Part Number
- 3203-7A
- 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 3203-7A. 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 Viewing | 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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