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JBO Thread Ring Gauge (GO) - Trapezoidal - Right Hand - 7e - Tr. 18 x 4

SKU:JBO-503375

The JBO Thread Ring Gauge (GO) for trapezoidal threads, Right Hand, 7e, Tr. 18 x 4, is a precision inspection tool designed to quickly verify external thread diameters and confirm conformity to e... Read more ↓
Thread FormTrapez
SizeTr. 18
Pitch4
Gauge TypeRing Gauge (GO)
Thread DirectionRight Hand
Tolerance7e
£305.94
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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01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

The JBO Thread Ring Gauge (GO) for trapezoidal threads, Right Hand, 7e, Tr. 18 x 4, is a precision inspection tool designed to quickly verify external thread diameters and confirm conformity to exact thread standards. It’s ideal for engineers, inspectors, machinists, and shop floor personnel who need reliable go/no-go checks to ensure parts meet specification during assembly, manufacturing, or repair work.

Crafted from hardened steel, this GO gauge offers outstanding durability and wear resistance for busy environments. Its knurled outer edge provides a secure grip for precise handling and fast alignment, even when gloves are in use, helping you maintain consistent, repeatable measurements across multiple parts.

  • Trapezoidal Right-Hand GO Gauge: Quickly verify external trapezoidal thread diameters against the 7e Tr. 18 x 4 standard, delivering fast, clear go/no-go decisions during inspection and assembly.
  • Hardened Steel, Durable Construction: Built to withstand repeated use in demanding settings, maintaining measurement accuracy and reducing replacement costs over time.
  • Ergonomic, User-Friendly Design: Secure grip and straightforward geometry enable easy handling and quick identification of conforming parts, minimizing downtime on the line.

This gauge supports streamlined quality control by providing reliable, rapid checks that help prevent mismatches, reduce rework, and accelerate production workflows. Its durable build and practical design offer confidence to buyers and users alike, ensuring consistent results across jobs and teams.

Thread Form Trapez
Size Tr. 18
Pitch 4
Gauge Type Ring Gauge (GO)
Thread Direction Right Hand
Tolerance 7e

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.

★★★★★
Nice experience staff are very helpful and interested...
Staff are very helpful and interested in providing a good service making us the customer feel valued.
Bill
★★★★★
first place we look
honest about stock and prices are competitive.
Phil
★★★★★
Polite and helpful
Staff are very helpful and polite.Goods that were in stock were dispatched same day and back orders were quick in coming through .
Graham
★★★★★
Buying experience
Phone requests are handled quickly and without any fuss. The website is easy to use and straightforward to order from. It’s especially helpful that it shows real‑time availability, so we don’t need to call to confirm whether parts will arrive.
Jeremy

Full Range: JBO Thread Ring Gauges (GO) - Trapezoidal

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