JBO Thread Ring Gauge (Go/NoGo) - NPTF - Right Hand - 3/8 x 18

Please log in here to access all benefits, including multibuy discounts and faster checkouts.

JBO Thread Ring Gauge (Go/NoGo) - NPTF - Right Hand - 3/8 x 18

SKU:JBO-502702

Specification

Thread Form	NPTF
Size	3/8
Pitch	18
Gauge Type	Ring Gauge (Go/NoGo)
Thread Direction	Right Hand
Tolerance	N/A

£305.52

Prices shown ex. VAT

5 days estimated lead time — subject to availability

Free delivery over £50 ex VAT

Secure checkout

14-day returns

30+ years expertise

Pay in 3 interest-free instalments. No extra cost if paid on time. 18+ only.
Learn more about Klarna

Speak to our team

01732 887334

Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

The JBO Plug Gauges (Go/NoGo) - NPTF are precision measuring tools specifically designed for NPTF (National Pipe Taper Fuel) threads. These plug gauges play a crucial role in ensuring accurate and reliable measurements of threaded pipe connections in industries such as automotive, hydraulic systems, and fluid power. With their meticulous design and precise dimensions, they enable efficient inspection of threaded pipe fittings, verifying their compliance with NPTF standards and specifications. The go/no-go design allows for quick and easy identification of conforming and non-conforming threads, ensuring proper fitment and sealing capabilities.

Thread Form	NPTF
Size	3/8
Pitch	18
Gauge Type	Ring Gauge (Go/NoGo)
Thread Direction	Right Hand
Tolerance	N/A

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 Plug Gauges (Go/NoGo) - NPTF

View full collection →

You are viewing JBO-502702. Click any other SKU to view its full details.

Product SKU	Size	Pitch	Price	Stock

JBO-505811	1/16	27	£307.65	5 days
JBO-502700	1/8	27	£283.08	5 days
JBO-502699	1/4	18	£292.70	5 days
JBO-502702 Viewing	3/8	18	£305.52	5 days
JBO-502698	1/2	14	£331.17	5 days
JBO-502701	3/4	14	£365.34	5 days
JBO-502697	1	11.5	£413.42	5 days
JBO-503479	1 1/4	11.5	£482.86	5 days
JBO-503480	1 1/2	11.5	£532.00	5 days
JBO-505713	2	11.5	£649.50	5 days
JBO-505885	2 1/2	8	£744.58	5 days
JBO-505886	3	8	£951.82	5 days