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Asimeto Ring Thread Gauge (NoGo) - Metric - Right Hand - 6g - M12 x 1.25
SKU:686-12-4
The Asimeto Ring Thread Gauge (NoGo) - Metric - Right Hand - 6g - M12 x 1.25 is a precision tool built for engineers, machinists, and quality-control teams who need reliable checks on threaded fas...
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Specification
| Thread Form | Metric |
| Size | M12 |
| Pitch | 1.25 |
| Gauge Type | Ring Gauge (NoGo) |
| Thread Direction | Right Hand |
| Tolerance | 6g |
£38.71
Prices shown ex. VAT
In Stock
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Free delivery over £50 ex VAT
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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
Learn more about Klarna
The Asimeto Ring Thread Gauge (NoGo) - Metric - Right Hand - 6g - M12 x 1.25 is a precision tool built for engineers, machinists, and quality-control teams who need reliable checks on threaded fasteners. Designed to deliver clear go/no-go results, it helps ensure only correctly sized threads enter production and assembly lines.
- Designation: NoGo ring gauge for accurate max-diameter verification on metric threads.
- Series: 686 Series, crafted for dependable, long-lasting use in professional settings.
- Size & Pitch: M12 x 1.25, metric thread standard for common European and industrial fasteners.
- Tolerance Class: 6g, providing tight, repeatable measurements aligned with industry practice.
- Orientation: Right Hand, suitable for standard right-handed thread inspection tasks.
- Material & Durability: Manufactured with high-quality materials to withstand routine inspection work and resist wear.
- NOGO Designation: Indicates when a thread pitch diameter is too large, enabling quick pass/fail decisions.
In practical terms, this gauge helps prevent undersized or oversized fasteners from being used, reducing assembly errors and the risk of failed connections. It enables fast, definitive checks during manufacturing, maintenance, and quality control, supporting safer, more reliable equipment and workflows.
| Thread Form | Metric |
| Size | M12 |
| Pitch | 1.25 |
| Gauge Type | Ring Gauge (NoGo) |
| Thread Direction | Right Hand |
| Tolerance | 6g |
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.
★★★★★
first place we look
honest about stock and prices are competitive.
★★★★★
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 .
★★★★★
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.
Full Range: Asimeto Ring Gauges - NOGO - Metric Fine 6g - 686 Series
View full collection →You are viewing 686-12-4. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| 686-02-0 | M2 | 0.35 | £56.04 | In Stock | |
| 686-02-8 | M2.2 | 0.35 | £65.62 | In Stock | |
| 686-02-9 | M2.5 | 0.35 | £65.62 | In Stock | |
| 686-03-0 | M3 | 0.35 | £52.72 | In Stock | |
| 686-03-9 | M3.5 | 0.35 | £57.89 | In Stock | |
| 686-04-0 | M4 | 0.35 | £52.72 | In Stock | |
| 686-04-9 | M4.5 | 0.35 | £57.89 | In Stock | |
| 686-05-0 | M5 | 0.35 | £52.72 | In Stock | |
| 686-06-0 | M6 | 0.35 | £52.72 | In Stock | |
| 686-04-1 | M4 | 0.5 | £43.87 | In Stock | |
| 686-05-1 | M5 | 0.5 | £43.87 | In Stock | |
| 686-06-1 | M6 | 0.5 | £43.87 | In Stock | |
| 686-08-1 | M8 | 0.5 | £43.87 | In Stock | |
| 686-10-1 | M10 | 0.5 | £50.14 | In Stock | |
| 686-12-1 | M12 | 0.5 | £50.14 | In Stock | |
| 686-06-2 | M6 | 0.75 | £37.98 | In Stock | |
| 686-07-2 | M7 | 0.75 | £37.98 | In Stock | |
| 686-08-2 | M8 | 0.75 | £43.14 | In Stock | |
| 686-10-2 | M10 | 0.75 | £43.14 | In Stock | |
| 686-12-2 | M12 | 0.75 | £48.30 | In Stock | |
| 686-08-3 | M8 | 1 | £38.71 | In Stock | |
| 686-09-3 | M9 | 1 | £38.71 | 4 weeks | |
| 686-10-3 | M10 | 1 | £38.71 | 4 weeks | |
| 686-11-3 | M11 | 1 | £38.71 | In Stock | |
| 686-12-3 | M12 | 1 | £38.71 | In Stock | |
| 686-14-3 | M14 | 1 | £55.30 | In Stock | |
| 686-16-3 | M16 | 1 | £55.30 | 4 weeks | |
| 686-18-3 | M18 | 1 | £60.46 | 4 weeks | |
| 686-20-3 | M20 | 1 | £60.46 | 4 weeks | |
| 686-21-3 | M21 | 1 | £67.47 | In Stock | |
| 686-22-3 | M22 | 1 | £72.63 | In Stock | |
| 686-23-3 | M23 | 1 | £77.42 | In Stock | |
| 686-24-3 | M24 | 1 | £72.63 | In Stock | |
| 686-25-3 | M25 | 1 | £82.58 | 4 weeks | |
| 686-26-3 | M26 | 1 | £82.58 | In Stock | |
| 686-27-3 | M27 | 1 | £82.58 | In Stock | |
| 686-28-3 | M28 | 1 | £82.58 | In Stock | |
| 686-30-3 | M30 | 1 | £93.28 | 4 weeks | |
| 686-32-3 | M32 | 1 | £93.28 | In Stock | |
| 686-33-3 | M33 | 1 | £94.75 | In Stock | |
| 686-34-3 | M34 | 1 | £94.75 | In Stock | |
| 686-35-3 | M35 | 1 | £94.75 | In Stock | |
| 686-36-3 | M36 | 1 | £94.75 | In Stock | |
| 686-38-3 | M38 | 1 | £106.18 | 4 weeks | |
| 686-39-3 | M39 | 1 | £114.30 | 4 weeks | |
| 686-40-3 | M40 | 1 | £112.46 | In Stock | |
| 686-42-3 | M42 | 1 | £119.82 | 4 weeks | |
| 686-45-3 | M45 | 1 | £145.63 | 4 weeks | |
| 686-48-3 | M48 | 1 | £140.10 | 4 weeks | |
| 686-50-3 | M50 | 1 | £138.26 | 4 weeks | |
| 686-52-3 | M52 | 1 | £147.85 | 4 weeks | |
| 686-55-3 | M55 | 1 | £176.98 | 4 weeks | |
| 686-56-3 | M56 | 1 | £167.76 | 4 weeks | |
| 686-58-3 | M58 | 1 | £167.76 | 4 weeks | |
| 686-10-4 | M10 | 1.25 | £38.71 | In Stock | |
| 686-12-4 Viewing | M12 | 1.25 | £38.71 | In Stock | |
| 686-14-4 | M14 | 1.25 | £47.56 | In Stock | |
| 686-12-5 | M12 | 1.5 | £38.71 | In Stock | |
| 686-14-5 | M14 | 1.5 | £48.66 | In Stock | |
| 686-16-5 | M16 | 1.5 | £52.72 | In Stock | |
| 686-18-5 | M18 | 1.5 | £54.20 | In Stock | |
| 686-20-5 | M20 | 1.5 | £59.73 | 4 weeks | |
| 686-22-5 | M22 | 1.5 | £63.78 | In Stock | |
| 686-24-5 | M24 | 1.5 | £63.78 | In Stock | |
| 686-25-5 | M25 | 1.5 | £63.78 | In Stock | |
| 686-26-5 | M26 | 1.5 | £63.78 | 4 weeks | |
| 686-27-5 | M27 | 1.5 | £63.78 | In Stock | |
| 686-28-5 | M28 | 1.5 | £79.64 | In Stock | |
| 686-30-5 | M30 | 1.5 | £85.17 | 4 weeks | |
| 686-32-5 | M32 | 1.5 | £85.17 | In Stock | |
| 686-33-5 | M33 | 1.5 | £86.64 | 4 weeks | |
| 686-34-5 | M34 | 1.5 | £90.33 | In Stock | |
| 686-35-5 | M35 | 1.5 | £103.98 | 4 weeks | |
| 686-36-5 | M36 | 1.5 | £98.44 | In Stock | |
| 686-38-5 | M38 | 1.5 | £98.44 | In Stock | |
| 686-40-5 | M40 | 1.5 | £125.73 | 4 weeks | |
| 686-42-5 | M42 | 1.5 | £128.67 | In Stock | |
| 686-45-5 | M45 | 1.5 | £128.67 | 4 weeks | |
| 686-48-5 | M48 | 1.5 | £128.67 | 4 weeks | |
| 686-50-5 | M50 | 1.5 | £139.37 | In Stock | |
| 686-52-5 | M52 | 1.5 | £136.05 | 4 weeks | |
| 686-55-5 | M55 | 1.5 | £149.69 | In Stock | |
| 686-56-5 | M56 | 1.5 | £149.69 | In Stock | |
| 686-58-5 | M60 | 1.5 | £149.69 | In Stock | |
| 686-60-5 | M60 | 1.5 | £165.18 | In Stock | |
| 686-18-6 | M18 | 2 | £57.14 | In Stock | |
| 686-20-6 | M20 | 2 | £57.14 | In Stock | |
| 686-22-6 | M22 | 2 | £63.42 | In Stock | |
| 686-24-6 | M24 | 2 | £61.20 | In Stock | |
| 686-26-6 | M26 | 2 | £63.78 | In Stock | |
| 686-27-6 | M27 | 2 | £63.78 | In Stock | |
| 686-28-6 | M28 | 2 | £63.78 | In Stock | |
| 686-30-6 | M30 | 2 | £77.42 | In Stock | |
| 686-32-6 | M32 | 2 | £77.42 | In Stock | |
| 686-33-6 | M33 | 2 | £79.27 | In Stock | |
| 686-34-6 | M34 | 2 | £79.27 | In Stock | |
| 686-35-6 | M35 | 2 | £88.86 | In Stock | |
| 686-36-6 | M36 | 2 | £88.86 | In Stock | |
| 686-38-6 | M38 | 2 | £88.86 | 4 weeks | |
| 686-39-6 | M39 | 2 | £88.86 | In Stock | |
| 686-40-6 | M40 | 2 | £88.86 | In Stock | |
| 686-42-6 | M42 | 2 | £122.41 | In Stock | |
| 686-45-6 | M45 | 2 | £122.41 | In Stock | |
| 686-48-6 | M48 | 2 | £138.26 | 4 weeks | |
| 686-50-6 | M50 | 2 | £138.26 | 4 weeks | |
| 686-52-6 | M52 | 2 | £135.68 | In Stock | |
| 686-55-6 | M55 | 2 | £147.11 | 4 weeks | |
| 686-56-6 | M56 | 2 | £134.94 | 4 weeks | |
| 686-58-6 | M58 | 2 | £134.94 | In Stock | |
| 686-60-6 | M60 | 2 | £151.90 | 4 weeks | |
| 686-30-7 | M30 | 3 | £84.80 | In Stock | |
| 686-33-7 | M33 | 3 | £86.64 | 4 weeks | |
| 686-36-7 | M36 | 3 | £91.06 | In Stock | |
| 686-39-7 | M39 | 3 | £91.06 | In Stock | |
| 686-40-7 | M40 | 3 | £92.91 | In Stock | |
| 686-42-7 | M42 | 3 | £127.57 | In Stock | |
| 686-45-7 | M45 | 3 | £127.57 | 4 weeks | |
| 686-48-7 | M48 | 3 | £127.57 | 4 weeks | |
| 686-50-7 | M50 | 3 | £127.57 | In Stock | |
| 686-52-7 | M52 | 3 | £125.36 | 4 weeks | |
| 686-55-7 | M55 | 3 | £140.84 | 4 weeks | |
| 686-56-7 | M56 | 3 | £133.84 | 4 weeks | |
| 686-58-7 | M58 | 3 | £151.54 | 4 weeks | |
| 686-60-7 | M60 | 3 | £155.96 | 4 weeks |
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