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Asimeto Plug Thread Gauge (D/E) - Metric - Right Hand - 6H - M20 x 1
SKU:682-20-3
The Asimeto 682 Series plug gauge for metric threads is a precision tool built for engineers, machinists, and quality-control professionals who need reliable verification of internal threads in m...
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Specification
| Thread Form | Metric |
| Size | M20 |
| Pitch | 1 |
| Gauge Type | Plug Gauge (D/E) |
| Thread Direction | Right Hand |
| Tolerance | 6H |
£51.98
Prices shown ex. VAT
4 weeks estimated lead time
— subject to availability
View Other Sizes →
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
Learn more about Klarna
The Asimeto 682 Series plug gauge for metric threads is a precision tool built for engineers, machinists, and quality-control professionals who need reliable verification of internal threads in metric fasteners. Designed for M20 x 1 right-hand threads and the 6H tolerance class, it delivers accurate pitch-diameter checks to ensure proper fit and consistent performance in manufacturing and maintenance tasks.
- Thread size: Metric M20 x 1, right-hand thread, intended for internal thread verification
- Tolerance class: 6H, providing accurate pitch-diameter measurements aligned with standard metric specifications
- Series: 682 Series plug gauge, engineered for precision and durability
- Construction: Cylindrical body with a textured, knurled finish for secure handling and repeatable use
- Material quality: Built from high-quality materials to endure daily workshop use and maintain accuracy over time
- Measurement orientation: Specifically configured for right-hand metric threads to ensure correct engagement during checks
This gauge enables quick, repeatable verification of thread engagement and pitch diameter, helping you prevent mismatches before assembly, reduce rework, and maintain consistent part quality. It’s ideal for machine shops, manufacturing floors, maintenance teams, and quality labs that require dependable internal-thread inspection for precision fasteners in automotive, industrial equipment, and precision assemblies.
| Thread Form | Metric |
| Size | M20 |
| Pitch | 1 |
| Gauge Type | Plug Gauge (D/E) |
| Thread Direction | Right Hand |
| Tolerance | 6H |
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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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 Plug Gauges - Metric Fine 6H - 682 Series
View full collection →You are viewing 682-20-3. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| 682-02-0 | M2 | 0.35 | £55.30 | In Stock | |
| 682-02-8 | M2.2 | 0.35 | £59.73 | In Stock | |
| 682-02-9 | M2.5 | 0.35 | £59.73 | In Stock | |
| 682-03-0 | M3 | 0.35 | £55.30 | 4 weeks | |
| 682-03-9 | M3.5 | 0.35 | £59.73 | In Stock | |
| 682-04-0 | M4 | 0.35 | £47.93 | In Stock | |
| 682-04-9 | M4.5 | 0.35 | £53.46 | In Stock | |
| 682-05-0 | M5 | 0.35 | £47.93 | In Stock | |
| 682-06-0 | M6 | 0.35 | £47.93 | In Stock | |
| 682-04-1 | M4 | 0.5 | £45.35 | In Stock | |
| 682-05-1 | M5 | 0.5 | £45.35 | 4 weeks | |
| 682-06-1 | M6 | 0.5 | £49.04 | 4 weeks | |
| 682-08-1 | M8 | 0.5 | £51.62 | In Stock | |
| 682-10-1 | M10 | 0.5 | £53.10 | In Stock | |
| 682-12-1 | M12 | 0.5 | £55.30 | In Stock | |
| 682-06-2 | M6 | 0.75 | £47.56 | 4 weeks | |
| 682-07-2 | M7 | 0.75 | £50.14 | In Stock | |
| 682-08-2 | M8 | 0.75 | £50.51 | 4 weeks | |
| 682-10-2 | M10 | 0.75 | £47.56 | In Stock | |
| 682-12-2 | M12 | 0.75 | £53.10 | In Stock | |
| 682-08-3 | M8 | 1 | £43.50 | 4 weeks | |
| 682-09-3 | M9 | 1 | £47.93 | 4 weeks | |
| 682-10-3 | M10 | 1 | £43.50 | 4 weeks | |
| 682-11-3 | M11 | 1 | £43.50 | 4 weeks | |
| 682-12-3 | M12 | 1 | £45.35 | 4 weeks | |
| 682-14-3 | M14 | 1 | £45.35 | In Stock | |
| 682-16-3 | M16 | 1 | £49.04 | 4 weeks | |
| 682-18-3 | M18 | 1 | £49.04 | 4 weeks | |
| 682-20-3 Viewing | M20 | 1 | £51.98 | 4 weeks | |
| 682-21-3 | M21 | 1 | £52.35 | 4 weeks | |
| 682-22-3 | M22 | 1 | £51.98 | In Stock | |
| 682-23-3 | M23 | 1 | £54.94 | In Stock | |
| 682-24-3 | M24 | 1 | £54.94 | 4 weeks | |
| 682-25-3 | M25 | 1 | £54.94 | 4 weeks | |
| 682-26-3 | M26 | 1 | £54.94 | 4 weeks | |
| 682-27-3 | M27 | 1 | £54.94 | 4 weeks | |
| 682-28-3 | M28 | 1 | £54.94 | 4 weeks | |
| 682-30-3 | M30 | 1 | £54.57 | In Stock | |
| 682-32-3 | M32 | 1 | £57.52 | In Stock | |
| 682-33-3 | M33 | 1 | £60.10 | 4 weeks | |
| 682-34-3 | M34 | 1 | £64.15 | In Stock | |
| 682-35-3 | M35 | 1 | £67.10 | 4 weeks | |
| 682-36-3 | M36 | 1 | £87.75 | 4 weeks | |
| 682-38-3 | M38 | 1 | £91.44 | In Stock | |
| 682-39-3 | M39 | 1 | £91.44 | In Stock | |
| 682-40-3 | M40 | 1 | £103.60 | In Stock | |
| 682-42-3 | M42 | 1 | £108.02 | In Stock | |
| 682-45-3 | M45 | 1 | £108.02 | In Stock | |
| 682-48-3 | M48 | 1 | £128.67 | In Stock | |
| 682-50-3 | M50 | 1 | £127.94 | In Stock | |
| 682-52-3 | M52 | 1 | £127.94 | In Stock | |
| 682-55-3 | M55 | 1 | £155.22 | 4 weeks | |
| 682-56-3 | M56 | 1 | £155.22 | 4 weeks | |
| 682-58-3 | M58 | 1 | £155.22 | 4 weeks | |
| 682-10-4 | M10 | 1.25 | £43.50 | In Stock | |
| 682-12-4 | M12 | 1.25 | £44.98 | 4 weeks | |
| 682-14-4 | M14 | 1.25 | £46.09 | In Stock | |
| 682-12-5 | M12 | 1.5 | £45.35 | 4 weeks | |
| 682-14-5 | M14 | 1.5 | £45.72 | 4 weeks | |
| 682-16-5 | M16 | 1.5 | £47.56 | 4 weeks | |
| 682-18-5 | M18 | 1.5 | £49.04 | In Stock | |
| 682-20-5 | M20 | 1.5 | £49.78 | In Stock | |
| 682-22-5 | M22 | 1.5 | £50.88 | 4 weeks | |
| 682-24-5 | M24 | 1.5 | £54.57 | 4 weeks | |
| 682-25-5 | M25 | 1.5 | £54.57 | 4 weeks | |
| 682-26-5 | M26 | 1.5 | £54.57 | 4 weeks | |
| 682-27-5 | M27 | 1.5 | £58.26 | 4 weeks | |
| 682-28-5 | M28 | 1.5 | £61.94 | 4 weeks | |
| 682-30-5 | M30 | 1.5 | £61.94 | 4 weeks | |
| 682-32-5 | M32 | 1.5 | £61.94 | 4 weeks | |
| 682-33-5 | M33 | 1.5 | £64.15 | In Stock | |
| 682-34-5 | M34 | 1.5 | £66.00 | In Stock | |
| 682-35-5 | M35 | 1.5 | £67.10 | 4 weeks | |
| 682-36-5 | M36 | 1.5 | £67.84 | 4 weeks | |
| 682-38-5 | M38 | 1.5 | £70.79 | 4 weeks | |
| 682-40-5 | M40 | 1.5 | £81.11 | In Stock | |
| 682-42-5 | M42 | 1.5 | £85.90 | 4 weeks | |
| 682-45-5 | M45 | 1.5 | £93.28 | 4 weeks | |
| 682-48-5 | M48 | 1.5 | £98.07 | 4 weeks | |
| 682-50-5 | M50 | 1.5 | £99.54 | 4 weeks | |
| 682-52-5 | M52 | 1.5 | £102.13 | In Stock | |
| 682-55-5 | M55 | 1.5 | £123.88 | 4 weeks | |
| 682-56-5 | M56 | 1.5 | £130.89 | 4 weeks | |
| 682-58-5 | M58 | 1.5 | £136.78 | 4 weeks | |
| 682-60-5 | M60 | 1.5 | £144.16 | 4 weeks | |
| 682-18-6 | M18 | 2 | £48.30 | 4 weeks | |
| 682-20-6 | M20 | 2 | £48.30 | 4 weeks | |
| 682-22-6 | M22 | 2 | £52.35 | 4 weeks | |
| 682-24-6 | M24 | 2 | £54.57 | 4 weeks | |
| 682-26-6 | M26 | 2 | £54.57 | In Stock | |
| 682-27-6 | M27 | 2 | £54.57 | 4 weeks | |
| 682-28-6 | M28 | 2 | £54.57 | 4 weeks | |
| 682-30-6 | M30 | 2 | £55.30 | 4 weeks | |
| 682-32-6 | M32 | 2 | £56.04 | In Stock | |
| 682-33-6 | M33 | 2 | £57.52 | 4 weeks | |
| 682-34-6 | M34 | 2 | £61.94 | In Stock | |
| 682-35-6 | M35 | 2 | £67.10 | In Stock | |
| 682-36-6 | M36 | 2 | £68.94 | 4 weeks | |
| 682-38-6 | M38 | 2 | £71.53 | In Stock | |
| 682-39-6 | M39 | 2 | £71.53 | In Stock | |
| 682-40-6 | M40 | 2 | £87.38 | In Stock | |
| 682-42-6 | M42 | 2 | £86.27 | In Stock | |
| 682-45-6 | M45 | 2 | £86.27 | In Stock | |
| 682-48-6 | M48 | 2 | £88.86 | 4 weeks | |
| 682-50-6 | M50 | 2 | £97.70 | 4 weeks | |
| 682-52-6 | M52 | 2 | £103.60 | 4 weeks | |
| 682-55-6 | M55 | 2 | £119.82 | 4 weeks | |
| 682-56-6 | M56 | 2 | £129.78 | 4 weeks | |
| 682-58-6 | M58 | 2 | £129.78 | 4 weeks | |
| 682-60-6 | M60 | 2 | £136.42 | 4 weeks | |
| 682-30-7 | M30 | 3 | £62.31 | In Stock | |
| 682-33-7 | M33 | 3 | £57.52 | In Stock | |
| 682-36-7 | M36 | 3 | £78.54 | 4 weeks | |
| 682-39-7 | M39 | 3 | £71.53 | In Stock | |
| 682-40-7 | M40 | 3 | £87.38 | In Stock | |
| 682-42-7 | M42 | 3 | £96.97 | 4 weeks | |
| 682-45-7 | M45 | 3 | £100.29 | In Stock | |
| 682-48-7 | M48 | 3 | £107.66 | In Stock | |
| 682-50-7 | M50 | 3 | £110.24 | In Stock | |
| 682-52-7 | M52 | 3 | £113.56 | 4 weeks | |
| 682-55-7 | M55 | 3 | £117.98 | In Stock | |
| 682-56-7 | M56 | 3 | £122.41 | 4 weeks | |
| 682-58-7 | M58 | 3 | £130.89 | 4 weeks | |
| 682-60-7 | M60 | 3 | £144.53 | 4 weeks |
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