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JBO Thread Ring Gauge (NoGo) - Trapezoidal - Right Hand - 7e - Tr. 30 x 6

SKU:JBO-502742

The JBO Thread Ring Gauge (No-Go) — Trapezoidal, Right Hand, 7e, Tr. 30 x 6 — is a precision tool designed to verify external thread diameters. Ideal for manufacturers, automotive shops, aerospac... Read more ↓
Thread FormTrapez
SizeTr. 30
Pitch6
Gauge TypeRing Gauge (NoGo)
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£394.75
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 (No-Go) — Trapezoidal, Right Hand, 7e, Tr. 30 x 6 — is a precision tool designed to verify external thread diameters. Ideal for manufacturers, automotive shops, aerospace maintenance teams, and quality inspectors, it helps confirm that threaded parts meet standard trapezoidal thread specifications quickly and reliably.

With its No-Go design, non-conforming threads are easy to spot, enabling fast decisions on part eligibility and reducing rework. Crafted from hardened steel, this gauge resists wear and maintains accurate measurements through repeated use in busy workshops.

  • No-Go Verification for Quick Conformity Checks: Quickly identify oversized or undersized threads and determine if a part meets the 7e trapezoidal standard, helping you sort good parts from rejects and reduce inspection time.
  • Durable Hardened Steel Construction: Built to withstand daily shop use, resisting wear, corrosion, and impact so measurements stay consistent over many cycles of use.
  • Precision Trapezoidal Right-Hand Thread Geometry: Machined to exact 7e Tr. 30 x 6 dimensions, providing repeatable and reliable checks that align with standard thread databases and fitment expectations.

This gauge helps you streamline quality checks, cut down on downtime, and improve overall assembly reliability. By delivering clear go/no-go feedback, it supports consistent mating results across parts and batches, while the rugged construction reduces the need for frequent replacements. Invest in this tool to boost confidence in your threading inspections and keep production moving smoothly.

Part Numbers

Protool Part Number
JBO-502742
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

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You are viewing JBO-502742. Click any other SKU to view its full details.

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