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JBO Thread Ring Gauge (NoGo) - BSP (G) - Left Hand - Tol. A - 3/4 x 14

SKU:JBO-500103

The JBO Thread Ring Gauge (NoGo) - BSP (G) - Left Hand - Tol. A - 3/4 x 14 is a precision tool designed for accurate external thread verification against BSP (G) standards. Suited for plumbers, f... Read more ↓
Thread FormBSP (G)
Size3/4
Pitch14
Gauge TypeRing Gauge (NoGo)
Thread DirectionLeft Hand
ToleranceTol. A
£155.70
Prices shown ex. VAT
5 days estimated lead time — subject to availability
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Free delivery over £50 ex VAT
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01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

The JBO Thread Ring Gauge (NoGo) - BSP (G) - Left Hand - Tol. A - 3/4 x 14 is a precision tool designed for accurate external thread verification against BSP (G) standards. Suited for plumbers, fluid-handling technicians, engineers, and workshop staff, it enables quick, reliable checks of pipe fittings to ensure proper fit and sealing. Its No-Go design makes non-conforming threads easy to spot, helping prevent leaks and assembly issues in critical systems.

  • No-Go Design for Quick Conformity Checks: The No-Go feature lets you instantly identify threads that are out of tolerance, reducing inspection time and preventing improper fittings from progressing in installation or production.
  • BSP (G) 3/4 x 14 Left-Hand Size with Tol. A: Precisely sized to BSP G external threads and left-hand configurations, with Tol. A tolerance, delivering consistent go/no-go results and dependable sealing performance across fittings.
  • Durable, Precision-Crafted Construction: Meticulous craftsmanship and robust materials provide long-term accuracy, resisting wear and maintaining tight tolerances through repeated use in demanding environments.

This gauge simplifies quality checks and improves consistency for every BSP (G) threaded connection. By delivering fast, reliable go/no-go results, it reduces rework, speeds up assembly, and helps you maintain leak-free seals in plumbing and fluid-handling systems. Whether you’re outfitting a workshop or performing field service, the JBO Thread Ring Gauge provides dependable measurements and builds confidence in every connection.

Thread Form BSP (G)
Size 3/4
Pitch 14
Gauge Type Ring Gauge (NoGo)
Thread Direction Left Hand
Tolerance Tol. 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.

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Staff are very helpful and interested in providing a good service making us the customer feel valued.
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honest about stock and prices are competitive.
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Staff are very helpful and polite.Goods that were in stock were dispatched same day and back orders were quick in coming through .
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Buying experience
Phone requests are handled quickly and without any fuss. The website is easy to use and straightforward to order from. It’s especially helpful that it shows real‑time availability, so we don’t need to call to confirm whether parts will arrive.
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Full Range: JBO Thread Ring Gauges (NoGo) - BSP (G)

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