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JBO Thread Ring Gauge (NoGo) - Trapezoidal - Right Hand - 7e - Tr. 26 x 5

SKU:JBO-501193

The JBO Thread Ring Gauge (NoGo) is a precision measuring tool designed to verify external thread sizes on bolts, shafts, and threaded components. It’s built for engineers, machinists, inspectors... Read more ↓
Thread FormTrapez
SizeTr. 26
Pitch5
Gauge TypeRing Gauge (NoGo)
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£362.95
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
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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 measuring tool designed to verify external thread sizes on bolts, shafts, and threaded components. It’s built for engineers, machinists, inspectors, and quality teams who need fast, reliable checks to confirm parts meet Unified thread standards.

This NoGo gauge features a trapezoidal, right-hand thread profile in 7e tolerance (Tr. 26 x 5) and is crafted from hardened steel for durability in busy workshops. The design provides a clear, quick indication of non-conforming threads, helping you catch mismatches early in your production or inspection process.

  • NoGo Quick Conformance Check: The NoGo design lets inspectors rapidly identify non-conforming threads—if the gauge threads onto a part beyond the acceptable limit, it fails the fit, enabling fast, decisive pass/fail decisions.
  • Hardened Steel Construction: Built to endure daily shop use, the ring gauge resists wear, corrosion, and impact, delivering long service life even in high-volume environments.
  • Precise Trapezoidal Right-Hand 7e Gauge: Accurate geometry and tight tolerances ensure repeatable measurements that align with standard thread specifications, reducing rework and ensuring consistent results.

In practice, this gauge streamlines your quality checks across manufacturing, automotive, and aerospace parts. It supports faster inspections, minimizes downtime, and provides clear evidence of compliance for audits and supplier reviews—helping you maintain tight control over thread integrity and assembly performance.

Part Numbers

Protool Part Number
JBO-501193
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-501193. Click any other SKU to view its full details.

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