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JBO Thread Ring Gauge (NoGo) - BSF - Right Hand - Medium Class - 7/16 x 18

SKU:JBO-520242

JBO Thread Ring Gauge (NoGo) for BSF, Right Hand, Medium Class, 7/16 x 18 is a precision inspection tool designed to verify external BSF threads on fasteners, bolts, and machined components. The N... Read more ↓
Thread FormBSF
Size7/16
Pitch18
Gauge TypeRing Gauge (NoGo)
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£114.03
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

JBO Thread Ring Gauge (NoGo) for BSF, Right Hand, Medium Class, 7/16 x 18 is a precision inspection tool designed to verify external BSF threads on fasteners, bolts, and machined components. The NoGo design provides a quick, unambiguous pass/fail signal to identify non-conforming threads and ensure proper fitment in assemblies.

Engineers, machinists, inspectors, and production teams rely on this gauge to streamline quality checks without sacrificing accuracy. Crafted from hardened steel, it resists wear in busy workshops and maintains reliable readings over time.

  • NoGo verification for fast conformance checks: The NoGo profile clearly indicates when a thread is out of tolerance, enabling rapid go/no-go decisions and reducing inspection time.
  • Durable hardened steel construction: Withstands daily use in manufacturing and assembly environments while keeping its measurements consistent and repeatable.
  • BSF Right-Hand, 7/16 x 18, Medium Class compatibility: Precisely matched to common BSF thread specs, ensuring reliable fit checks across automotive, aerospace, and general engineering applications.

Designed to integrate into standard inspection routines, this gauge helps you verify thread engagement, reduce rework, and improve overall quality. The combination of a precise NoGo limit and durable construction means you can count on consistent, dependable results from one shift to the next, whether you’re inspecting incoming parts, in-process components, or final assemblies.

Part Numbers

Protool Part Number
JBO-520242
Brand
JBO
Category
Gauge
No downloads are attached to this product yet.
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) - BSF

View full collection →

You are viewing JBO-520242. Click any other SKU to view its full details.

Product SKUSizePitchPriceStock Order
JBO-520239 3/1632£100.34 5 days
JBO-520240 7/3228£108.02 5 days
JBO-501168 1/426£92.89 5 days
JBO-520241 9/3226£108.02 5 days
JBO-501170 5/1622£97.49 5 days
JBO-501169 3/820£105.26 5 days
JBO-520242 Viewing7/1618£114.03 5 days
JBO-501167 1/216£116.23 5 days
JBO-507252 9/1616£129.40 5 days
JBO-520243 5/814£132.68 5 days
JBO-520244 11/1614£161.19 5 days
JBO-505546 3/412£150.21 5 days
JBO-540017 7/811£168.86 5 days
JBO-501166 110£194.08 5 days

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