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Asimeto Ring Thread Gauge (Go) - BSP (G) - Right Hand - Tol. A - 3/8 x 19

SKU:690-04-3

The Asimeto Ring Gauge GO BSP/BSPP 6G from the 690 Series is a precision Go gauge designed for professionals who need reliable external thread verification on British Standard Pipe fittings. It e... Read more ↓
Thread FormBSP (G)
Size3/8
Pitch19
Gauge TypeRing Gauge (GO)
Thread DirectionRight Hand
ToleranceTol. A
£68.85
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In Stock— only 3 left
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The Asimeto Ring Gauge GO BSP/BSPP 6G from the 690 Series is a precision Go gauge designed for professionals who need reliable external thread verification on British Standard Pipe fittings. It ensures accurate checks for BSP and BSPP threads with industry-standard tolerance.

  • Series & Tolerance: 690 Series Go gauge, built to the 6G tolerance class for consistent, repeatable measurements.
  • Thread Compatibility: Designed to test external BSP and BSPP threads, ensuring proper engagement with standard fittings.
  • Size & Orientation: Right-hand thread, Tol. A, 3/8 x 19 to match common BSP thread sizes used in fittings.
  • Threaded Bore Design: Internal bore is threaded to the target profile, enabling precise go/no-go checks on the tested part.
  • Material & Durability: Constructed with high-quality material to resist wear and maintain long-term accuracy.
  • Ease of Use: Quick insertion and straightforward verification, ideal for routine QC checks in workshop or production environments.

Using this gauge, technicians can quickly confirm that a fitting’s external threads conform to BSP/BSPP standards, reducing guesswork and preventing mismatches during assembly. It supports reliable quality control, minimizes rework, and provides a clear pass/fail result for 3/8 x 19 fittings. This makes it a valuable tool for machinists, pipefitters, and service teams who require precise, durable thread verification in demanding settings.

Thread Form BSP (G)
Size 3/8
Pitch 19
Gauge Type Ring Gauge (GO)
Thread Direction Right Hand
Tolerance Tol. 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.

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Staff are very helpful and interested in providing a good service making us the customer feel valued.
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honest about stock and prices are competitive.
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Staff are very helpful and polite.Goods that were in stock were dispatched same day and back orders were quick in coming through .
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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: Asimeto Ring Gauge - GO - BSP/BSPP 6G - 690 Series

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You are viewing 690-04-3. Click any other SKU to view its full details.

Product SKUSizePitchPriceStock Order
690-01-3 1/1628£85.68 In Stock
690-02-3 1/828£67.32 4 weeks
690-03-3 1/419£60.66 4 weeks
690-04-3 Viewing3/819£68.85 In Stock
690-05-3 1/214£78.26 4 weeks
690-06-3 5/814£92.34 4 weeks
690-07-3 3/414£88.07 4 weeks
690-08-3 7/814£100.17 4 weeks
690-09-3 111£99.00 4 weeks
690-10-3 1 1/811£109.94 In Stock
690-11-3 1 1/411£122.49 4 weeks
690-12-3 1 1/211£123.26 4 weeks
690-13-3 1 3/411£157.68 4 weeks
690-14-3 211£154.94 4 weeks
690-15-3 2 1/411£217.58 In Stock
690-16-3 2 1/211£236.75 In Stock
690-17-3 2 3/411£361.58 4 weeks
690-18-3 311£361.58 4 weeks

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