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JBO Thread Plug Gauge - BSP (G) Go/No-Go - Left Hand - 1/2 x 14

SKU:JBO-511583

The JBO BSP (G) Go/No-Go Left Hand Thread Plug Gauge is a precision tool designed to verify BSP (G) threaded pipe connections. It’s essential for plumbers, engineers, and maintenance teams to con... Read more ↓
Thread FormBSP (G)
Size1/2
Pitch14
Gauge TypePlug Gauge (D/E)
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£126.10
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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14-day returns
30+ years expertise
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01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

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Description

The JBO BSP (G) Go/No-Go Left Hand Thread Plug Gauge is a precision tool designed to verify BSP (G) threaded pipe connections. It’s essential for plumbers, engineers, and maintenance teams to confirm that fittings will thread smoothly and seal properly.

Designed for left-hand BSP (G) threads in the 1/2 x 14 size, this gauge delivers quick go/no-go results to speed up inspection workflows and ensure correct mating of components.

  • Go/No-Go verification: Fast pass/fail checks for BSP (G) threads, delivering clear results and reducing guesswork and rework.
  • Size-specific accuracy: 1/2 x 14 BSP (G) sizing aligns with standard fittings, helping you verify compatibility at a glance and avoid mismatches.
  • Durable, ergonomic design: Knurled grip and robust construction provide reliable handling in busy job sites and workshops, supporting repeatable inspections.

Using the JBO BSP (G) Go/No-Go Left Hand Thread Plug Gauge helps you accelerate thread verification on every pipe fitting. The clear go/no-go result speeds up decision-making, minimizes guesswork, and prevents incorrect assemblies that could cause leaks or downtime. With its left-hand 1/2 x 14 BSP (G) sizing, you can rely on consistent measurements across a wide range of plumbing, fluid handling, and engineering tasks, improving workflow efficiency and the reliability of threaded connections.

Part Numbers

Protool Part Number
JBO-511583
Brand
JBO
Category
Gauge
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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.

Ask our technical team about this tool

Not sure if this is the right tool for your job? Ask us about speeds and feeds, material suitability, holders or alternatives — 30+ years of machining experience on the other end.

Prefer to talk? Call 01732 887334 — Mon–Thurs 8:30–17:30, Fri 8:30–16:30.

Full Range: JBO Thread Plug Gauges - BSP (G) Go/No-Go

View full collection →

You are viewing JBO-511583. Click any other SKU to view its full details.

Product SKUSizePitchPriceStock Order
JBO-511577 1/1628£98.03 5 days
JBO-511589 1/828£66.68 5 days
JBO-511584 1/419£73.47 5 days
JBO-511597 3/819£84.22 5 days
JBO-511578 1/214£96.83 5 days
JBO-511601 5/814£106.37 5 days
JBO-511593 3/414£111.84 5 days
JBO-511602 7/814£137.06 5 days
JBO-511573 111£137.06 5 days
JBO-511576 1 1/811£166.67 5 days
JBO-511592 1/828£92.32 5 days
JBO-511588 1/419£96.40 5 days
JBO-511600 3/819£110.75 5 days
JBO-511583 Viewing1/214£126.10 5 days
JBO-514699 5/814£137.06 5 days
JBO-511596 3/414£148.02 5 days
JBO-514044 7/814£183.12 5 days
JBO-511575 111£178.73 5 days
JBO-517310 1 1/811£222.60 5 days

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