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Asimeto Ring Thread Gauge (Go) - Metric - Right Hand - 6g - M4 x 0.5
SKU:685-04-1
The Asimeto Ring Thread Gauge (Go), Metric Fine 6g, from the 685 Series, is a precision tool designed for reliable go checks on cylindrical parts in demanding manufacturing environments. Built for...
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Specification
| Thread Form | Metric |
| Size | M4 |
| Pitch | 0.5 |
| Gauge Type | Ring Gauge (GO) |
| Thread Direction | Right Hand |
| Tolerance | 6g |
£53.24
Prices shown ex. VAT
In Stock
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 Ring Thread Gauge (Go), Metric Fine 6g, from the 685 Series, is a precision tool designed for reliable go checks on cylindrical parts in demanding manufacturing environments. Built for go/no-go verification, it supports accurate sizing workflows for automotive, aerospace, and engineering teams.
- Series: 685 Series — high-precision ring gauges built for durability in daily shop use
- Gauge Type: GO (Go) ring gauge for fast, decisive verification of nominal diameters
- Thread Compatibility: Metric Fine 6g threading to align with common cylindrical part specs
- Thread Size: M4 × 0.5 for seamless integration with metric fixtures and tooling
- Orientation: Right-hand design to match typical production setups and inspection flows
- Material: Hardened steel for long life, dimensional stability, and reliable performance
Designed to deliver consistent, repeatable measurements, this gauge helps ensure parts meet exact tolerances while reducing inspection time. Its robust construction stands up to routine shop use, providing dependable performance across repeat runs and batches. Whether validating new components or performing routine quality checks, the 685 Series GO ring gauge supports precise, efficient measurement workflows that keep production moving smoothly.
| Thread Form | Metric |
| Size | M4 |
| Pitch | 0.5 |
| 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 685-04-1. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| 685-02-0 | M2 | 0.35 | £57.92 | In Stock | |
| 685-02-8 | M2.2 | 0.35 | £57.92 | In Stock | |
| 685-02-9 | M2.5 | 0.35 | £57.92 | In Stock | |
| 685-03-0 | M3 | 0.35 | £57.92 | In Stock | |
| 685-03-9 | M3.5 | 0.35 | £57.92 | In Stock | |
| 685-04-0 | M4 | 0.35 | £57.92 | In Stock | |
| 685-04-9 | M4.5 | 0.35 | £57.92 | In Stock | |
| 685-05-0 | M5 | 0.35 | £57.92 | In Stock | |
| 685-06-0 | M6 | 0.35 | £57.92 | In Stock | |
| 685-04-1 Viewing | M4 | 0.5 | £53.24 | In Stock | |
| 685-05-1 | M5 | 0.5 | £53.24 | In Stock | |
| 685-06-1 | M6 | 0.5 | £53.24 | In Stock | |
| 685-08-1 | M8 | 0.5 | £53.24 | In Stock | |
| 685-10-1 | M10 | 0.5 | £57.92 | In Stock | |
| 685-12-1 | M12 | 0.5 | £64.58 | In Stock | |
| 685-06-2 | M6 | 0.75 | £44.60 | In Stock | |
| 685-07-2 | M7 | 0.75 | £44.60 | 4 weeks | |
| 685-08-2 | M8 | 0.75 | £49.68 | In Stock | |
| 685-10-2 | M10 | 0.75 | £53.24 | In Stock | |
| 685-12-2 | M12 | 0.75 | £69.66 | In Stock | |
| 685-08-3 | M8 | 1 | £44.60 | 4 weeks | |
| 685-09-3 | M9 | 1 | £44.60 | 4 weeks | |
| 685-10-3 | M10 | 1 | £44.60 | 4 weeks | |
| 685-11-3 | M11 | 1 | £47.75 | In Stock | |
| 685-12-3 | M12 | 1 | £48.51 | 4 weeks | |
| 685-14-3 | M14 | 1 | £64.94 | In Stock | |
| 685-16-3 | M16 | 1 | £58.68 | 4 weeks | |
| 685-18-3 | M18 | 1 | £59.85 | 4 weeks | |
| 685-20-3 | M20 | 1 | £68.49 | 4 weeks | |
| 685-21-3 | M21 | 1 | £79.83 | 4 weeks | |
| 685-22-3 | M22 | 1 | £72.00 | 4 weeks | |
| 685-23-3 | M23 | 1 | £87.26 | 4 weeks | |
| 685-24-3 | M24 | 1 | £87.26 | 4 weeks | |
| 685-25-3 | M25 | 1 | £78.66 | 4 weeks | |
| 685-26-3 | M26 | 1 | £87.26 | 4 weeks | |
| 685-27-3 | M27 | 1 | £78.66 | In Stock | |
| 685-28-3 | M28 | 1 | £78.66 | In Stock | |
| 685-30-3 | M30 | 1 | £108.77 | In Stock | |
| 685-32-3 | M32 | 1 | £120.51 | In Stock | |
| 685-33-3 | M33 | 1 | £122.49 | 4 weeks | |
| 685-34-3 | M34 | 1 | £122.49 | In Stock | |
| 685-35-3 | M35 | 1 | £122.49 | In Stock | |
| 685-36-3 | M36 | 1 | £139.68 | 4 weeks | |
| 685-38-3 | M38 | 1 | £139.68 | In Stock | |
| 685-39-3 | M39 | 1 | £126.00 | In Stock | |
| 685-40-3 | M40 | 1 | £126.00 | 4 weeks | |
| 685-42-3 | M42 | 1 | £167.85 | In Stock | |
| 685-45-3 | M45 | 1 | £167.85 | 4 weeks | |
| 685-48-3 | M48 | 1 | £174.51 | In Stock | |
| 685-50-3 | M50 | 1 | £174.51 | In Stock | |
| 685-52-3 | M52 | 1 | £171.77 | 4 weeks | |
| 685-55-3 | M55 | 1 | £181.17 | 4 weeks | |
| 685-56-3 | M56 | 1 | £181.17 | 4 weeks | |
| 685-58-3 | M58 | 1 | £181.17 | 4 weeks | |
| 685-10-4 | M10 | 1.25 | £46.58 | In Stock | |
| 685-12-4 | M12 | 1.25 | £46.58 | 4 weeks | |
| 685-14-4 | M14 | 1.25 | £55.94 | 4 weeks | |
| 685-12-5 | M12 | 1.5 | £48.15 | In Stock | |
| 685-14-5 | M14 | 1.5 | £51.66 | 4 weeks | |
| 685-16-5 | M16 | 1.5 | £56.34 | In Stock | |
| 685-18-5 | M18 | 1.5 | £61.83 | In Stock | |
| 685-20-5 | M20 | 1.5 | £61.83 | In Stock | |
| 685-22-5 | M22 | 1.5 | £63.41 | 4 weeks | |
| 685-24-5 | M24 | 1.5 | £68.85 | 4 weeks | |
| 685-25-5 | M25 | 1.5 | £68.85 | 4 weeks | |
| 685-26-5 | M26 | 1.5 | £73.58 | 4 weeks | |
| 685-27-5 | M27 | 1.5 | £81.41 | 4 weeks | |
| 685-28-5 | M28 | 1.5 | £108.41 | 4 weeks | |
| 685-30-5 | M30 | 1.5 | £97.83 | In Stock | |
| 685-32-5 | M32 | 1.5 | £108.41 | 4 weeks | |
| 685-33-5 | M33 | 1.5 | £110.34 | In Stock | |
| 685-34-5 | M34 | 1.5 | £126.77 | In Stock | |
| 685-35-5 | M35 | 1.5 | £114.26 | 4 weeks | |
| 685-36-5 | M36 | 1.5 | £114.26 | In Stock | |
| 685-38-5 | M38 | 1.5 | £114.26 | In Stock | |
| 685-40-5 | M40 | 1.5 | £135.00 | 4 weeks | |
| 685-42-5 | M42 | 1.5 | £163.58 | In Stock | |
| 685-45-5 | M45 | 1.5 | £163.58 | 4 weeks | |
| 685-48-5 | M48 | 1.5 | £163.58 | In Stock | |
| 685-50-5 | M50 | 1.5 | £185.85 | In Stock | |
| 685-52-5 | M52 | 1.5 | £182.75 | 4 weeks | |
| 685-55-5 | M55 | 1.5 | £182.75 | In Stock | |
| 685-56-5 | M56 | 1.5 | £182.75 | 4 weeks | |
| 685-58-5 | M60 | 1.5 | £182.75 | 4 weeks | |
| 685-60-5 | M60 | 1.5 | £214.07 | 4 weeks | |
| 685-18-6 | M18 | 2 | £73.94 | 4 weeks | |
| 685-20-6 | M20 | 2 | £73.94 | 4 weeks | |
| 685-22-6 | M22 | 2 | £79.83 | 4 weeks | |
| 685-24-6 | M24 | 2 | £72.00 | 4 weeks | |
| 685-26-6 | M26 | 2 | £85.68 | In Stock | |
| 685-27-6 | M27 | 2 | £77.49 | 4 weeks | |
| 685-28-6 | M28 | 2 | £85.68 | 4 weeks | |
| 685-30-6 | M30 | 2 | £83.34 | 4 weeks | |
| 685-32-6 | M32 | 2 | £83.34 | 4 weeks | |
| 685-33-6 | M33 | 2 | £85.32 | 4 weeks | |
| 685-34-6 | M34 | 2 | £112.68 | In Stock | |
| 685-35-6 | M35 | 2 | £101.75 | In Stock | |
| 685-36-6 | M36 | 2 | £101.75 | 4 weeks | |
| 685-38-6 | M38 | 2 | £112.68 | In Stock | |
| 685-39-6 | M39 | 2 | £112.68 | 4 weeks | |
| 685-40-6 | M40 | 2 | £163.17 | In Stock | |
| 685-42-6 | M42 | 2 | £163.58 | 4 weeks | |
| 685-45-6 | M45 | 2 | £163.58 | 4 weeks | |
| 685-48-6 | M48 | 2 | £179.60 | In Stock | |
| 685-50-6 | M50 | 2 | £179.60 | In Stock | |
| 685-52-6 | M52 | 2 | £176.49 | 4 weeks | |
| 685-55-6 | M55 | 2 | £176.49 | 4 weeks | |
| 685-56-6 | M56 | 2 | £176.49 | In Stock | |
| 685-58-6 | M58 | 2 | £176.49 | 4 weeks | |
| 685-60-6 | M60 | 2 | £183.15 | In Stock | |
| 685-30-7 | M30 | 3 | £95.09 | In Stock | |
| 685-33-7 | M33 | 3 | £97.43 | In Stock | |
| 685-36-7 | M36 | 3 | £104.09 | 4 weeks | |
| 685-39-7 | M39 | 3 | £104.09 | In Stock | |
| 685-40-7 | M40 | 3 | £160.43 | In Stock | |
| 685-42-7 | M42 | 3 | £160.43 | In Stock | |
| 685-45-7 | M45 | 3 | £160.43 | In Stock | |
| 685-48-7 | M48 | 3 | £160.43 | In Stock | |
| 685-50-7 | M50 | 3 | £160.43 | In Stock | |
| 685-52-7 | M52 | 3 | £157.32 | 4 weeks | |
| 685-55-7 | M55 | 3 | £186.26 | 4 weeks | |
| 685-56-7 | M56 | 3 | £185.49 | In Stock | |
| 685-58-7 | M58 | 3 | £186.26 | 4 weeks | |
| 685-60-7 | M60 | 3 | £198.77 | 4 weeks |
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