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JBO Plug Gauge - Metric Fine (STI) Heli Coil Gauge - Right Hand - 6H - M24 x 1.5 - Calibrated (DAkkS Calibration)
| Thread Form | Metric (STI) |
| Size | M24 |
| Pitch | 1.5 |
| Gauge Type | Plug Gauge (D/E) |
| Thread Direction | Right Hand |
| Tolerance | 6H |
Learn more about Klarna
The JBO Plug Gauge - Metric Fine (STI) Heli Coil Gauge is a calibrated right-hand plug gauge designed for metric screw thread inserts (STIs). Sized for M24 x 1.5 with a 6H tolerance, it provides quick, unambiguous checks to confirm inserts are within spec for reliable assembly and quality control across manufacturing, automotive, and aerospace applications.
Manufactured and assessed to ANSI/ASME thread standards, this gauge carries DAkkS calibration for traceable, auditable accuracy. The robust, knurled body is built for repeated use in demanding shop environments, delivering dependable performance day after day.
- DAkkS-calibrated for traceable accuracy: Delivers auditable measurements you can rely on for QA records, supplier audits, and consistent quality control.
- Metric fine size M24 x 1.5, right-hand plug gauge (6H): Precisely matches common STI insert specifications for fast, confident pass/fail checks and reduced guesswork.
- ANSI/ASME-compliant manufacturing and inspection: Ensures consistent production quality and repeatable results across lots and suppliers.
This plug gauge helps streamline insert verification, reduces inspection time, and improves overall measurement reliability in both high-volume production and precision-focused workshops. With DAkkS calibration and standards-aligned construction, you can trust every measurement to support accurate, efficient threaded insert work.
| Thread Form | Metric (STI) |
| Size | M24 |
| Pitch | 1.5 |
| Gauge Type | Plug Gauge (D/E) |
| Thread Direction | Right Hand |
| Tolerance | 6H |
| Calibration | DAkkS Calibration Cert |
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: JBO Metric Plug (STI) Heli Coil Gauges - Right Hand - Calibrated (DAkkS Calibration)
View full collection →You are viewing JBO-513146. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| JBO-512675 | M2 | 0.4 | £127.21 | 5 days | |
| JBO-512676 | M2.5 | 0.45 | £118.42 | 5 days | |
| JBO-512679 | M3 | 0.5 | £106.04 | 5 days | |
| JBO-512682 | M4 | 0.7 | £94.87 | 5 days | |
| JBO-512683 | M5 | 0.8 | £91.78 | 5 days | |
| JBO-512685 | M6 | 1 | £91.78 | 5 days | |
| JBO-513473 | M7 | 1 | £141.45 | 5 days | |
| JBO-512686 | M8 | 1.25 | £91.78 | 5 days | |
| JBO-512666 | M10 | 1.5 | £99.68 | 5 days | |
| JBO-512668 | M12 | 1.75 | £131.59 | 5 days | |
| JBO-512671 | M14 | 2 | £161.19 | 5 days | |
| JBO-512673 | M16 | 2 | £177.65 | 5 days | |
| JBO-512674 | M18 | 2.5 | £246.71 | 5 days | |
| JBO-512677 | M20 | 2.5 | £256.58 | 5 days | |
| JBO-513023 | M24 | 3 | £303.75 | 5 days | |
| JBO-513019 | M8 | 1 | £182.03 | 5 days | |
| JBO-513020 | M10 | 1 | £206.14 | 5 days | |
| JBO-515046 | M10 | 1.25 | £256.58 | 5 days | |
| JBO-515572 | M12 | 1.25 | £264.27 | 5 days | |
| JBO-512670 | M12 | 1.5 | £214.91 | 5 days | |
| JBO-512672 | M14 | 1.5 | £224.79 | 5 days | |
| JBO-513021 | M16 | 1.5 | £233.56 | 5 days | |
| JBO-513975 | M18 | 1.5 | £239.05 | 5 days | |
| JBO-512678 | M20 | 1.5 | £252.20 | 5 days | |
| JBO-513454 | M22 | 1.5 | £266.46 | 5 days | |
| JBO-513146 Viewing | M24 | 1.5 | £271.93 | 5 days |
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