Please log in here to access all benefits, including multibuy discounts and faster checkouts.
Asimeto Ring Thread Gauge (Go) - Metric - Right Hand - 6g - M55 x 2
SKU:685-55-6
Precision ring gauge built for go/no-go verification of cylindrical parts threaded to Metric Fine 6g, specifically in the right-hand configuration for M55 x 2. Ideal for manufacturing floor QA, i...
Read more ↓
Specification
| Thread Form | Metric |
| Size | M55 |
| Pitch | 2 |
| Gauge Type | Ring Gauge (GO) |
| Thread Direction | Right Hand |
| Tolerance | 6g |
£166.28
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
Precision ring gauge built for go/no-go verification of cylindrical parts threaded to Metric Fine 6g, specifically in the right-hand configuration for M55 x 2. Ideal for manufacturing floor QA, inspection labs, and precision machining setups that demand reliable, repeatable measurements.
- Go-type ring gauge: Quick, pass/fail checks for parts with M55 x 2 right-hand threads using Metric Fine 6g standard.
- Right-hand thread compatibility: Precisely matched for M55 x 2 right-hand thread geometry to ensure correct engagement and sizing.
- 685 Series precision: Part of the 685 Series, engineered for consistent performance in demanding production environments.
- Material: Made from high-quality steel to deliver durability and long-term dimensional stability.
- Grip-friendly design: Knurled outer edge provides secure handling during measurement procedures, even with gloves on.
- Applications: Suited for automotive, aerospace, and general engineering applications where metric fine 6g measurements are standard.
This GO gauge helps you streamline quality control by offering fast, reliable checks that confirm parts meet the exact M55 x 2 right-hand thread size. Its durable steel construction stands up to busy workshop environments, while the 685 Series design ensures repeatable results across daily use, setup, and routine inspections. Use it during initial setup, incoming inspections, and in-process checks to minimize rework and improve overall fit and performance of cylindrical components.
| Thread Form | Metric |
| Size | M55 |
| Pitch | 2 |
| Gauge Type | Ring Gauge (GO) |
| 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 - GO - Metric Fine 6g - 685 Series
View full collection →You are viewing 685-55-6. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| 685-02-0 | M2 | 0.35 | £54.57 | In Stock | |
| 685-02-8 | M2.2 | 0.35 | £54.57 | In Stock | |
| 685-02-9 | M2.5 | 0.35 | £54.57 | In Stock | |
| 685-03-0 | M3 | 0.35 | £54.57 | In Stock | |
| 685-03-9 | M3.5 | 0.35 | £54.57 | In Stock | |
| 685-04-0 | M4 | 0.35 | £54.57 | In Stock | |
| 685-04-9 | M4.5 | 0.35 | £54.57 | In Stock | |
| 685-05-0 | M5 | 0.35 | £54.57 | In Stock | |
| 685-06-0 | M6 | 0.35 | £54.57 | In Stock | |
| 685-04-1 | M4 | 0.5 | £50.14 | In Stock | |
| 685-05-1 | M5 | 0.5 | £50.14 | In Stock | |
| 685-06-1 | M6 | 0.5 | £50.14 | In Stock | |
| 685-08-1 | M8 | 0.5 | £50.14 | In Stock | |
| 685-10-1 | M10 | 0.5 | £54.57 | In Stock | |
| 685-12-1 | M12 | 0.5 | £60.83 | In Stock | |
| 685-06-2 | M6 | 0.75 | £42.03 | In Stock | |
| 685-07-2 | M7 | 0.75 | £42.03 | 4 weeks | |
| 685-08-2 | M8 | 0.75 | £46.82 | In Stock | |
| 685-10-2 | M10 | 0.75 | £50.14 | In Stock | |
| 685-12-2 | M12 | 0.75 | £65.62 | In Stock | |
| 685-08-3 | M8 | 1 | £42.03 | 4 weeks | |
| 685-09-3 | M9 | 1 | £42.03 | 4 weeks | |
| 685-10-3 | M10 | 1 | £42.03 | 4 weeks | |
| 685-11-3 | M11 | 1 | £44.98 | In Stock | |
| 685-12-3 | M12 | 1 | £45.72 | 4 weeks | |
| 685-14-3 | M14 | 1 | £61.20 | In Stock | |
| 685-16-3 | M16 | 1 | £61.20 | 4 weeks | |
| 685-18-3 | M18 | 1 | £62.68 | 4 weeks | |
| 685-20-3 | M20 | 1 | £71.53 | 4 weeks | |
| 685-21-3 | M21 | 1 | £75.22 | In Stock | |
| 685-22-3 | M22 | 1 | £75.22 | 4 weeks | |
| 685-23-3 | M23 | 1 | £82.22 | 4 weeks | |
| 685-24-3 | M24 | 1 | £82.22 | 4 weeks | |
| 685-25-3 | M25 | 1 | £82.22 | 4 weeks | |
| 685-26-3 | M26 | 1 | £82.22 | 4 weeks | |
| 685-27-3 | M27 | 1 | £82.22 | In Stock | |
| 685-28-3 | M28 | 1 | £82.22 | In Stock | |
| 685-30-3 | M30 | 1 | £113.56 | 4 weeks | |
| 685-32-3 | M32 | 1 | £113.56 | In Stock | |
| 685-33-3 | M33 | 1 | £115.40 | 4 weeks | |
| 685-34-3 | M34 | 1 | £115.40 | In Stock | |
| 685-35-3 | M35 | 1 | £115.40 | In Stock | |
| 685-36-3 | M36 | 1 | £131.62 | 4 weeks | |
| 685-38-3 | M38 | 1 | £131.62 | In Stock | |
| 685-39-3 | M39 | 1 | £131.62 | In Stock | |
| 685-40-3 | M40 | 1 | £131.62 | 4 weeks | |
| 685-42-3 | M42 | 1 | £158.17 | In Stock | |
| 685-45-3 | M45 | 1 | £158.17 | 4 weeks | |
| 685-48-3 | M48 | 1 | £164.44 | In Stock | |
| 685-50-3 | M50 | 1 | £164.44 | In Stock | |
| 685-52-3 | M52 | 1 | £161.86 | 4 weeks | |
| 685-55-3 | M55 | 1 | £170.70 | 4 weeks | |
| 685-56-3 | M56 | 1 | £170.70 | 4 weeks | |
| 685-58-3 | M58 | 1 | £170.70 | 4 weeks | |
| 685-10-4 | M10 | 1.25 | £43.87 | In Stock | |
| 685-12-4 | M12 | 1.25 | £43.87 | 4 weeks | |
| 685-14-4 | M14 | 1.25 | £52.72 | 4 weeks | |
| 685-12-5 | M12 | 1.5 | £45.35 | In Stock | |
| 685-14-5 | M14 | 1.5 | £53.83 | 4 weeks | |
| 685-16-5 | M16 | 1.5 | £58.99 | In Stock | |
| 685-18-5 | M18 | 1.5 | £64.52 | In Stock | |
| 685-20-5 | M20 | 1.5 | £64.52 | In Stock | |
| 685-22-5 | M22 | 1.5 | £66.00 | 4 weeks | |
| 685-24-5 | M24 | 1.5 | £71.90 | 4 weeks | |
| 685-25-5 | M25 | 1.5 | £71.90 | 4 weeks | |
| 685-26-5 | M26 | 1.5 | £76.69 | 4 weeks | |
| 685-27-5 | M27 | 1.5 | £76.69 | 4 weeks | |
| 685-28-5 | M28 | 1.5 | £102.13 | 4 weeks | |
| 685-30-5 | M30 | 1.5 | £102.13 | In Stock | |
| 685-32-5 | M32 | 1.5 | £102.13 | 4 weeks | |
| 685-33-5 | M33 | 1.5 | £103.98 | In Stock | |
| 685-34-5 | M34 | 1.5 | £119.46 | In Stock | |
| 685-35-5 | M35 | 1.5 | £119.46 | 4 weeks | |
| 685-36-5 | M36 | 1.5 | £119.46 | In Stock | |
| 685-38-5 | M38 | 1.5 | £119.46 | In Stock | |
| 685-40-5 | M40 | 1.5 | £141.21 | 4 weeks | |
| 685-42-5 | M42 | 1.5 | £154.11 | In Stock | |
| 685-45-5 | M45 | 1.5 | £154.11 | 4 weeks | |
| 685-48-5 | M48 | 1.5 | £154.11 | In Stock | |
| 685-50-5 | M50 | 1.5 | £175.13 | In Stock | |
| 685-52-5 | M52 | 1.5 | £172.18 | 4 weeks | |
| 685-55-5 | M55 | 1.5 | £172.18 | In Stock | |
| 685-56-5 | M56 | 1.5 | £172.18 | 4 weeks | |
| 685-58-5 | M60 | 1.5 | £172.18 | 4 weeks | |
| 685-60-5 | M60 | 1.5 | £201.68 | 4 weeks | |
| 685-18-6 | M18 | 2 | £69.68 | 4 weeks | |
| 685-20-6 | M20 | 2 | £69.68 | 4 weeks | |
| 685-22-6 | M22 | 2 | £75.22 | 4 weeks | |
| 685-24-6 | M24 | 2 | £75.22 | 4 weeks | |
| 685-26-6 | M26 | 2 | £80.74 | In Stock | |
| 685-27-6 | M27 | 2 | £80.74 | 4 weeks | |
| 685-28-6 | M28 | 2 | £80.74 | 4 weeks | |
| 685-30-6 | M30 | 2 | £87.02 | 4 weeks | |
| 685-32-6 | M32 | 2 | £87.02 | 4 weeks | |
| 685-33-6 | M33 | 2 | £89.22 | 4 weeks | |
| 685-34-6 | M34 | 2 | £106.18 | In Stock | |
| 685-35-6 | M35 | 2 | £106.18 | In Stock | |
| 685-36-6 | M36 | 2 | £106.18 | 4 weeks | |
| 685-38-6 | M38 | 2 | £106.18 | In Stock | |
| 685-39-6 | M39 | 2 | £106.18 | 4 weeks | |
| 685-40-6 | M40 | 2 | £153.74 | In Stock | |
| 685-42-6 | M42 | 2 | £154.11 | 4 weeks | |
| 685-45-6 | M45 | 2 | £154.11 | 4 weeks | |
| 685-48-6 | M48 | 2 | £169.23 | In Stock | |
| 685-50-6 | M50 | 2 | £169.23 | In Stock | |
| 685-52-6 | M52 | 2 | £166.28 | 4 weeks | |
| 685-55-6 Viewing | M55 | 2 | £166.28 | 4 weeks | |
| 685-56-6 | M56 | 2 | £166.28 | In Stock | |
| 685-58-6 | M58 | 2 | £166.28 | 4 weeks | |
| 685-60-6 | M60 | 2 | £172.55 | In Stock | |
| 685-30-7 | M30 | 3 | £99.54 | In Stock | |
| 685-33-7 | M33 | 3 | £101.76 | In Stock | |
| 685-36-7 | M36 | 3 | £108.77 | 4 weeks | |
| 685-39-7 | M39 | 3 | £108.77 | In Stock | |
| 685-40-7 | M40 | 3 | £151.17 | In Stock | |
| 685-42-7 | M42 | 3 | £151.17 | In Stock | |
| 685-45-7 | M45 | 3 | £151.17 | In Stock | |
| 685-48-7 | M48 | 3 | £151.17 | In Stock | |
| 685-50-7 | M50 | 3 | £151.17 | In Stock | |
| 685-52-7 | M52 | 3 | £148.22 | 4 weeks | |
| 685-55-7 | M55 | 3 | £175.50 | 4 weeks | |
| 685-56-7 | M56 | 3 | £174.76 | In Stock | |
| 685-58-7 | M58 | 3 | £175.50 | 4 weeks | |
| 685-60-7 | M60 | 3 | £187.30 | 4 weeks |
No products match your filters.
