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200-225mm 7.87-8.86" IP65 Digital Three Point Internal Bore Micrometer - 3127 Series (Insize)
| Range (mm) | 200-225 |
| Range (inch) | 7.87-8.86 |
| Setting Ring | 212.5mm (optional) |
| b | 29 |
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Description
The Insize 3127 IP65 Digital Three-Point Internal Bore Micrometer covers internal bore measurements from 200 to 225 mm (7.87–8.86 inches) with a precise digital readout. Designed for engineers, machinists, inspectors, and technicians, it provides quick, repeatable checks in hard‑to‑reach bores using carbide measuring points, a ratchet stop, and a compact, rugged design.
- IP65 sealed for dustproof and waterproof protection: Keeps measurements accurate in dusty or wet shop conditions and reduces downtime from debris or moisture, ensuring reliable readings in daily use.
- Three-point carbide sensing with ratchet stop: Delivers fast, repeatable bore measurements with consistent contact pressure, protecting both parts and tool for longer service life.
- Digital readout with data output and mm/inch control: Provides 0.001 mm (0.00005") resolution, allows easy switching between metric and imperial, supports data transmission, and includes automatic power off to extend battery life.
This bore micrometer helps you streamline inspection, minimize rework, and maintain tight tolerances across assemblies. With rugged IP65 protection, a reliable digital readout, and the included manufacturer inspection certificate, you can trust its performance in busy workshops or precision environments. Optional accessories are available to tailor the tool to your process.
Part Numbers
- Protool Part Number
- 3127-225
- Brand
- Insize
- Category
- Measuring Tool
Need cutting data? Call 01732 887334 or email sales@protool-ltd.co.uk.
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: IP65 Digital Three Point Internal Bore Micrometers - 3127 Series
View full collection →You are viewing 3127-225. Click any other SKU to view its full details.
| Product SKU | Metric Range (mm) | Metric Range (Inch) | Ip Rating | mm or Inch | Price | Stock | Order |
|---|---|---|---|---|---|---|---|
| 3127-8 | 46240 | 0.24-0.31 | IP65 | mm|inch | £426.78 | 4-5 days | |
| 3127-10 | 46303 | 0.31-0.39 | IP65 | mm|inch | £426.78 | 4-5 days | |
| 3127-12 | 46366 | 0.39-0.47 | IP65 | mm|inch | £426.78 | 4-5 days | |
| 3127-16 | 42705 | 0.47-0.63 | IP65 | mm|inch | £460.17 | 4-5 days | |
| 3127-20 | 42705 | 0.63-0.79 | IP65 | mm|inch | £451.83 | 4-5 days | |
| 3127-25 | 20-25 | 0.79-0.98 | IP65 | mm|inch | £473.74 | 4-5 days | |
| 3127-30 | 25-30 | 0.98-1.18 | IP65 | mm|inch | £473.74 | 4-5 days | |
| 3127-40 | 30-40 | 1.18-1.57 | IP65 | mm|inch | £522.78 | 4-5 days | |
| 3127-50 | 40-50 | 1.57-1.97 | IP65 | mm|inch | £522.78 | 4-5 days | |
| 3127-63 | 50-63 | 1.97-2.48 | IP65 | mm|inch | £565.57 | 4-5 days | |
| 3127-75 | 62-75 | 2.44-2.95 | IP65 | mm|inch | £596.87 | 4-5 days | |
| 3127-88 | 75-88 | 2.95-3.46 | IP65 | mm|inch | £621.91 | 4-5 days | |
| 3127-100 | 87-100 | 3.43-3.94 | IP65 | mm|inch | £659.48 | 4-5 days | |
| 3127-125 | 100-125 | 3.94-4.92 | IP65 | mm|inch | £680.35 | 4-5 days | |
| 3127-150 | 125-150 | 4.92-5.91 | IP65 | mm|inch | £780.52 | 4-5 days | |
| 3127-175 | 150-175 | 5.91-6.89 | IP65 | mm|inch | £893.22 | 4-5 days | |
| 3127-200 | 175-200 | 6.89-7.87 | IP65 | mm|inch | £1,044.52 | 4-5 days | |
| 3127-225 Viewing | 200-225 | 7.87-8.86 | IP65 | mm|inch | £1,244.87 | 4-5 days | |
| 3127-250 | 225-250 | 8.86-9.84 | IP65 | mm|inch | £1,448.35 | 4-5 days | |
| 3127-275 | 250-275 | 9.84-10.83 | IP65 | mm|inch | £1,705.04 | 4-5 days | |
| 3127-300 | 275-300 | 10.83-11.81 | IP65 | mm|inch | £1,858.43 | 4-5 days |
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