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1-2" Imperial Blade Micrometer - 3232 Series (Insize)
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Description
The 1-2" Imperial Blade Micrometer from Insize, part of the 3232 Series, is a precision measuring tool designed specifically for groove diameter work. It’s ideal for engineers, machinists, service professionals, and hobbyists who need fast, repeatable readings of shaft grooves and keyways. Featuring a non-rotating spindle and a ratchet stop, it delivers stable contact and consistent pressure for reliable measurements, with setting standards included (except 0-25mm) to simplify quick calibration. Its effective range reaches up to 8 inches, making it versatile for a wide range of components.
- Non-rotating spindle: Provides stable, repeatable contact for groove and keyway measurements, reducing variation caused by spindle rotation and improving consistency across tasks.
- Ratchet stop: Ensures uniform measuring force every time, preventing over-tightening and enhancing measurement reproducibility even after repeated use.
- Calibration standards included (except 0-25mm): Speeds setup and verification, helping you trust every dimension from the first measurement to the last without extra tools.
This blade micrometer is built for dependable performance in real-world conditions—shop floors, maintenance bays, and on-site projects alike. It supports quick, accurate groove diameter checks, helping you confirm fits, reduce downstream rework, and maintain tight tolerances with confidence.
Part Numbers
- Protool Part Number
- 3232-2
- 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 Blade Micrometers - 3232 Series (Insize)
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