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JBO Thread Ring Gauge (GO) - Pg - Right Hand - Pg 21 x 16
| Thread Form | Pg |
| Size | Pg 21 |
| Pitch | 16 |
| Gauge Type | Ring Gauge (GO) |
| Thread Direction | Right Hand |
| Tolerance | N/A |
Learn more about Klarna
The JBO Thread Ring Gauge (GO) - Pg - Right Hand - Pg 21 x 16 is a precision tool used to verify external thread diameters during manufacturing, machining, and quality-control inspections. Its GO design provides a clear pass/fail indication, helping inspectors confirm that threaded components meet Pg 21 x 16 specifications quickly and reliably. Crafted from hardened steel for durability and wear resistance, this gauge maintains dimensional accuracy in demanding workshop environments and supports long service life.
- Precise GO gauge for accurate thread verification: Quickly determine if external threads conform to Pg 21 x 16, reducing guesswork and rework in QA processes.
- Hardened steel construction for durability: Built to withstand daily use in busy shops, resisting wear and maintaining accuracy over time.
- Right-hand orientation for fast, intuitive checks: Designed for straightforward setup and rapid identification of conforming parts, keeping inspection throughput high.
By delivering reliable, repeatable thread checks, this gauge speeds up quality control, minimizes downtime, and helps your team produce consistently accurate assemblies. The result is fewer misfits, quicker acceptance of good parts, and a smoother workflow from receiving to final QC.
| Thread Form | Pg |
| Size | Pg 21 |
| Pitch | 16 |
| Gauge Type | Ring Gauge (GO) |
| Thread Direction | Right Hand |
| Tolerance | N/A |
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 Thread Ring Gauges (GO) - Pg
View full collection →You are viewing JBO-502488. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| JBO-502493 | Pg 7 | 20 | £112.95 | 5 days | |
| JBO-502494 | Pg 9 | 18 | £123.91 | 5 days | |
| JBO-502485 | Pg 11 | 18 | £133.78 | 5 days | |
| JBO-502486 | Pg 13.5 | 18 | £144.74 | 5 days | |
| JBO-502487 | Pg 16 | 18 | £153.51 | 5 days | |
| JBO-502488 Viewing | Pg 21 | 16 | £184.22 | 5 days | |
| JBO-502489 | Pg 29 | 16 | £236.85 | 5 days | |
| JBO-502490 | Pg 36 | 16 | £290.57 | 5 days | |
| JBO-502491 | Pg 42 | 16 | £330.05 | 5 days | |
| JBO-502492 | Pg 48 | 16 | £360.76 | 5 days |
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