Please log in here to access all benefits, including promotional discounts and faster checkouts.

JBO Thread Plug Gauge (Go/NoGo) - NPTF - Right Hand - 2 x 11.5

SKU:JBO-513622

The JBO Thread Plug Gauge (Go/NoGo) is a precision inspection tool designed for threaded holes in modern manufacturing, automotive, and aerospace environments. This Go/No-Go gauge checks NPTF rig... Read more ↓
Thread FormNPTF
Size2
Pitch11.5
Gauge TypePlug Gauge (Go/NoGo)
View all specifications ↓
£510.98
Prices shown ex. VAT
5 days estimated lead time — subject to availability
View Other Sizes →
Free delivery over £50 ex VAT
Secure checkout
14-day returns
30+ years expertise
Klarna
Pay in 3 interest-free instalments. No extra cost if paid on time. 18+ only.
Learn more about Klarna
Speak to our team
01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

Description

The JBO Thread Plug Gauge (Go/NoGo) is a precision inspection tool designed for threaded holes in modern manufacturing, automotive, and aerospace environments. This Go/No-Go gauge checks NPTF right-hand threads against established standards, delivering fast, objective pass/fail results to verify proper fit and sealing capability.

Whether you’re setting up a new production line, performing routine maintenance, or validating parts from suppliers, this plug gauge streamlines quality control. Its simple operation makes it accessible to technicians with varying experience, while its robust construction withstands daily shop use.

  • Go/No-Go design for quick, reliable acceptance testing: rapidly determine whether threads meet specification with clear pass/fail feedback, speeding up inspections and reducing guesswork.
  • NPTF compatibility for precise thread verification: engineered to align with industry threading standards, ensuring accurate hole assessment and consistent results across parts and assemblies.
  • Durable knurled body for secure handling and long life: rugged construction and textured grip provide comfort and control in busy work environments, promoting repeatable measurements over time.

This plug gauge supports efficient quality control, helping you shorten inspection cycles, minimize rework, and maintain reliable performance on the shop floor. With straightforward use, durable materials, and clear go/no-go feedback, you can trust this gauge to deliver consistent results across teams and shifts.

Part Numbers

Protool Part Number
JBO-513622
Brand
JBO
Category
Gauge
No downloads are attached to this product yet.
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 - NPTF Go/No-Go

View full collection →

You are viewing JBO-513622. Click any other SKU to view its full details.

Product SKUSizePitchPriceStock Order
JBO-512542 1/1627£183.12 5 days
JBO-512545 1/827£188.61 5 days
JBO-512544 1/418£201.76 5 days
JBO-512547 3/818£218.21 5 days
JBO-512543 1/214£235.75 5 days
JBO-512546 3/414£264.27 5 days
JBO-512539 111.5£304.83 5 days
JBO-512541 1 1/411.5£367.34 5 days
JBO-512540 1 1/211.5£416.67 5 days
JBO-513622 Viewing211.5£510.98 5 days
JBO-517008 2 1/28£604.17 5 days
JBO-517007 38£735.76 5 days

Other sizes in this range

with tools we think you'll like
All 12 →