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JBO Thread Ring Gauge (GO) - BSF - Right Hand - Medium Class - 7/8 x 11

SKU:JBO-540035

The JBO Thread Ring Gauge (GO) – BSF is a precision go gauge designed to verify external BSF threads. It is sized for 7/8 x 11 right-hand threads and is ideal for machinists, inspectors, and qual... Read more ↓
Thread FormBSF
Size7/8
Pitch11
Gauge TypeRing Gauge (GO)
Thread DirectionRight Hand
ToleranceMedium Class
£164.51
Prices shown ex. VAT
5 days estimated lead time — subject to availability
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The JBO Thread Ring Gauge (GO) – BSF is a precision go gauge designed to verify external BSF threads. It is sized for 7/8 x 11 right-hand threads and is ideal for machinists, inspectors, and quality teams working in manufacturing, maintenance, and assembly environments.

Manufactured from hardened steel for lasting durability, the gauge features a knurled outer edge for a secure grip in busy shops. The GO gauge provides clear, quick pass/fail results to help you verify component conformity and streamline quality control processes.

  • Exact Go Gauge for BSF 7/8 x 11 Right-Hand Threads: Quickly confirms that the external thread diameter matches the standard, enabling faster setup and reducing rework.
  • Hardened Steel Construction for Long-Life Durability: Withstands daily wear in demanding environments while maintaining measurement accuracy over time.
  • Ergonomic, Knurled Exterior for Secure Handling: Easy to grip and manipulate, supporting fast, confident inspections and minimizing operator fatigue.

Using the JBO BSF Go Gauge helps you verify thread conformity with confidence, accelerate inspection cycles, and maintain consistent results across production and maintenance tasks. It supports reliable QA, reduces downtime, and enhances overall threading accuracy in your workshop.

Thread Form BSF
Size 7/8
Pitch 11
Gauge Type Ring Gauge (GO)
Thread Direction Right Hand
Tolerance Medium Class

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.

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

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You are viewing JBO-540035. Click any other SKU to view its full details.

Product SKUSizePitchPriceStock Order
JBO-540040 3/1632£97.75 5 days
JBO-520234 7/3228£105.24 5 days
JBO-502498 1/426£90.49 5 days
JBO-520235 9/3226£105.24 5 days
JBO-502501 5/1622£94.97 5 days
JBO-502500 3/820£102.55 5 days
JBO-520236 7/1618£111.09 5 days
JBO-502497 1/216£113.23 5 days
JBO-507251 9/1616£126.06 5 days
JBO-520237 5/814£129.26 5 days
JBO-520238 11/1614£157.04 5 days
JBO-502499 3/412£146.34 5 days
JBO-540035 Viewing7/811£164.51 5 days
JBO-502496 110£189.08 5 days

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