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JBO Thread Plug Gauge - Trapezoidal Go-No/Go - Right Hand - 7H - Tr. 16 x 4
| Thread Form | Trapez |
| Size | Tr. 16 |
| Pitch | 4 |
| Gauge Type | Plug Gauge (D/E) |
| Thread Direction | Right Hand |
| Tolerance | 7H |
Learn more about Klarna
The JBO Thread Plug Gauge is a precision go-no-go tool designed to verify trapezoidal thread holes with speed and reliability. Built for engineers, machinists, buyers, and quality teams across manufacturing, automotive, and aerospace, it delivers quick acceptance checks to ensure threaded components meet exact size and tolerance. This right-hand plug gauge is sized for Tr. 16 x 4 with a 7H tolerance, aligned to standard trapezoidal thread specifications and Unified thread standards. Its go/no-go design makes it easy to identify conforming versus non-conforming holes at a glance, streamlining quality control in busy shops.
- Go-No-Go design for fast verification: Quickly determine whether a hole’s trapezoidal thread meets spec, reducing inspection time and minimizing guesswork in setup and assembly.
- Right-hand trapezoidal sizing, 7H tolerance (Tr. 16 x 4): Precise, standard-compliant dimensions that deliver repeatable pass/fail results for reliable quality checks.
- Rugged, user-friendly construction: Knurled grip and precision-machined ends provide secure handling and durable performance in demanding workshop environments.
Use the JBO Thread Plug Gauge to validate thread holes before assembly, cut down on rework, and maintain consistent quality across production runs. Its straightforward operation supports faster setup, fewer downtime delays, and confident decisions during inspections—helping you keep projects on schedule and within specification.
| Thread Form | Trapez |
| Size | Tr. 16 |
| Pitch | 4 |
| Gauge Type | Plug Gauge (D/E) |
| Thread Direction | Right Hand |
| Tolerance | 7H |
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 Plug Gauges - Trapezoidal Go-No/Go
View full collection →You are viewing JBO-512559. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| JBO-515056 | Tr. 8 | 1.5 | £194.08 | 5 days | |
| JBO-512549 | Tr. 10 | 2 | £200.65 | 5 days | |
| JBO-514745 | Tr. 11 | 2 | £200.65 | 5 days | |
| JBO-512554 | Tr. 12 | 3 | £201.76 | 5 days | |
| JBO-512557 | Tr. 14 | 3 | £206.14 | 5 days | |
| JBO-512559 Viewing | Tr. 16 | 4 | £211.63 | 5 days | |
| JBO-512561 | Tr. 18 | 4 | £220.40 | 5 days | |
| JBO-512563 | Tr. 20 | 4 | £224.79 | 5 days | |
| JBO-512565 | Tr. 22 | 5 | £236.85 | 5 days | |
| JBO-512566 | Tr. 24 | 5 | £250.01 | 5 days | |
| JBO-512569 | Tr. 26 | 5 | £262.07 | 5 days | |
| JBO-512570 | Tr. 28 | 5 | £274.12 | 5 days | |
| JBO-512571 | Tr. 30 | 6 | £287.29 | 5 days | |
| JBO-512572 | Tr. 32 | 6 | £293.87 | 5 days |
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