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JBO Thread Ring Gauge (NoGo) - Trapezoidal - Right Hand - 7e - Tr. 16 x 4

SKU:JBO-501185

The JBO Thread Ring Gauge (NoGo) is a precision tool engineered to verify external trapezoidal threads with speed and confidence. Designed for technicians, inspectors, machinists, and engineers a... Read more ↓
Thread FormTrapez
SizeTr. 16
Pitch4
Gauge TypeRing Gauge (NoGo)
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£301.53
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
Klarna
Pay in 3 interest-free instalments. No extra cost if paid on time. 18+ only.
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01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

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Description

The JBO Thread Ring Gauge (NoGo) is a precision tool engineered to verify external trapezoidal threads with speed and confidence. Designed for technicians, inspectors, machinists, and engineers across manufacturing, automotive, and aerospace environments, it helps ensure threaded parts meet the exact size and fit required for reliable performance.

This NoGo gauge is calibrated for right-hand trapezoidal threads, specifically 7e series with a 16 x 4 designation, delivering a clear indication of whether a thread is within tolerance. Constructed from hardened steel, it stands up to everyday shop use and repeated inspections without losing accuracy.

  • Rapid pass/fail checks: The NoGo design lets inspectors immediately confirm if a thread is within spec, reducing measurement time and keeping production moving smoothly.
  • Hardened steel durability: Built to endure dirty, high-use environments, resisting wear, corrosion, and impacts to provide long service life.
  • Precise trapezoidal right-hand 7e 16x4 fit: Machined to exact geometry for consistent, repeatable checks across parts and batches, helping you avoid misfits and returns.

With the JBO Thread Ring Gauge, you gain fast, reliable verification of external thread quality, streamline your inspection workflow, and improve overall part conformance. Trusted materials and precise manufacturing translate into fewer rework cycles, lower downtime, and greater confidence when sourcing or fabricating threaded components for critical applications.

Part Numbers

Protool Part Number
JBO-501185
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 Ring Gauges (NoGo) - Trapezoidal

View full collection →

You are viewing JBO-501185. Click any other SKU to view its full details.

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