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JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 6g - M3 x 0.5
| Thread Form | Metric |
| Size | M3 |
| Pitch | 0.5 |
| Gauge Type | Ring Gauge (NoGo) |
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Description
The JBO Thread Ring Gauge (NoGo) for Metric Coarse threads is a precision inspection tool designed to quickly verify external thread diameters. Ideal for machinists, quality engineers, and shop floor inspectors, it helps ensure components meet the M3 x 0.5 standard and are ready for assembly.
Crafted from hardened steel, this NoGo ring gauge delivers durable, long-lasting performance in busy workshops. Its right-hand thread orientation (6g) is built into the gauge profile to provide reliable pass/fail checks with minimal training.
- Precise NoGo verification for metric coarse threads: Quickly determine whether an external thread diameter conforms to M3 x 0.5 with a clear pass/fail indication, reducing inspection time and rework.
- Durable hardened steel construction: Built to withstand demanding shop environments, resisting wear to maintain accuracy and extend tool life.
- User-friendly, right-hand gauge design: Intuitive handling that speeds setup and reduces training needs, ensuring consistent results across operators and shifts.
Using the JBO NoGo Thread Ring Gauge helps streamline quality control workflows by delivering fast, reliable checks for metric coarse threads, enabling faster throughput, fewer rejects, and proper fitment in assemblies. Its rugged build and clear pass/fail indication make it a dependable choice for engineers, buyers, and technicians who demand consistent, accurate measurements in everyday production.
Part Numbers
- Protool Part Number
- JBO-500596
- Brand
- JBO
- Category
- Gauge
Need cutting data? Call 01732 887334 or email sales@protool-ltd.co.uk.
Delivery
Free UK mainland delivery on orders over £50 ex VAT. In-stock items ordered before 4:30pm are dispatched the same working day. Full delivery information.
Returns
14-day returns on unused stock items in original packaging. Special-order and bespoke tooling is non-returnable. Read our returns policy.
Technical Support
Over 30 years of machining experience behind the counter. Call 01732 887334, Mon–Thurs 8:30–17:30, Fri 8:30–16:30.
Trade Accounts
Credit accounts, contract pricing and scheduled call-off orders available for trade customers. Apply for an account.
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.
Full Range: JBO Thread Ring Gauges (NoGo) - Metric Coarse
View full collection →You are viewing JBO-500596. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| JBO-500131 | M1 | 0.25 | £135.97 | 5 days | |
| JBO-500135 | M1.1 | 0.25 | £176.54 | 5 days | |
| JBO-500136 | M1.2 | 0.25 | £128.29 | 5 days | |
| JBO-500139 | M1.4 | 0.3 | £114.03 | 5 days | |
| JBO-500146 | M1.6 | 0.35 | £99.02 | 5 days | |
| JBO-500151 | M1.7 | 0.35 | £120.61 | 5 days | |
| JBO-500154 | M1.8 | 0.35 | £88.27 | 5 days | |
| JBO-500404 | M2 | 0.4 | £83.67 | 5 days | |
| JBO-500419 | M2.2 | 0.45 | £93.31 | 5 days | |
| JBO-500425 | M2.3 | 0.4 | £154.62 | 5 days | |
| JBO-500429 | M2.5 | 0.45 | £67.67 | 5 days | |
| JBO-500441 | M2.6 | 0.45 | £83.11 | 5 days | |
| JBO-500596 Viewing | M3 | 0.5 | £52.09 | 5 days | |
| JBO-500611 | M3.5 | 0.6 | £54.82 | 5 days | |
| JBO-500734 | M4 | 0.7 | £47.70 | 5 days | |
| JBO-500752 | M4.5 | 0.75 | £74.13 | 5 days | |
| JBO-500822 | M5 | 0.8 | £47.70 | 5 days | |
| JBO-500896 | M6 | 1 | £47.70 | 5 days | |
| JBO-500948 | M7 | 1 | £54.51 | 5 days | |
| JBO-500980 | M8 | 1.25 | £48.81 | 5 days | |
| JBO-501024 | M9 | 1.25 | £65.13 | 5 days | |
| JBO-500158 | M10 | 1.5 | £54.51 | 5 days | |
| JBO-500201 | M11 | 1.5 | £76.53 | 5 days | |
| JBO-500218 | M12 | 1.75 | £60.74 | 5 days | |
| JBO-500277 | M14 | 2 | £64.91 | 5 days | |
| JBO-500327 | M16 | 2 | £74.24 | 5 days | |
| JBO-500370 | M18 | 2.5 | £87.84 | 5 days | |
| JBO-500447 | M20 | 2.5 | £94.96 | 5 days | |
| JBO-500479 | M22 | 2.5 | £106.80 | 5 days | |
| JBO-500508 | M24 | 3 | £111.84 | 5 days | |
| JBO-500559 | M27 | 3 | £128.29 | 5 days | |
| JBO-500623 | M30 | 3.5 | £135.97 | 5 days | |
| JBO-500664 | M33 | 3.5 | £154.62 | 5 days | |
| JBO-500696 | M36 | 4 | £163.39 | 5 days | |
| JBO-500723 | M39 | 4 | £179.84 | 5 days | |
| JBO-500775 | M42 | 4.5 | £186.41 | 5 days | |
| JBO-500791 | M45 | 4.5 | £198.46 | 5 days | |
| JBO-500807 | M48 | 5 | £209.44 | 5 days | |
| JBO-500860 | M52 | 5 | £250.01 | 5 days | |
| JBO-500877 | M56 | 5.5 | £239.05 | 5 days | |
| JBO-500923 | M60 | 5.5 | £321.28 | 5 days | |
| JBO-500935 | M64 | 6 | £339.93 | 5 days | |
| JBO-500944 | M68 | 6 | £362.95 | 5 days | |
| JBO-500148 | M1.6 | 0.35 | £117.33 | 5 days | |
| JBO-500409 | M2 | 0.4 | £95.95 | 5 days | |
| JBO-500420 | M2.2 | 0.45 | £107.24 | 5 days | |
| JBO-500432 | M2.5 | 0.45 | £76.44 | 5 days | |
| JBO-500600 | M3 | 0.5 | £58.90 | 5 days | |
| JBO-500613 | M3.5 | 0.6 | £59.98 | 5 days | |
| JBO-500736 | M4 | 0.7 | £53.62 | 5 days | |
| JBO-500826 | M5 | 0.8 | £53.62 | 5 days | |
| JBO-500900 | M6 | 1 | £53.62 | 5 days | |
| JBO-500949 | M7 | 1 | £62.72 | 5 days | |
| JBO-500984 | M8 | 1.25 | £54.94 | 5 days | |
| JBO-502957 | M9 | 1.25 | £82.24 | 5 days | |
| JBO-500162 | M10 | 1.5 | £63.50 | 5 days | |
| JBO-500202 | M11 | 1.5 | £96.40 | 5 days | |
| JBO-500221 | M12 | 1.75 | £70.29 | 5 days | |
| JBO-500279 | M14 | 2 | £77.97 | 5 days | |
| JBO-500331 | M16 | 2 | £83.67 | 5 days | |
| JBO-500371 | M18 | 2.5 | £97.16 | 5 days | |
| JBO-500452 | M20 | 2.5 | £107.15 | 5 days | |
| JBO-500480 | M22 | 2.5 | £129.40 | 5 days | |
| JBO-500511 | M24 | 3 | £137.06 | 5 days | |
| JBO-500560 | M27 | 3 | £154.62 | 5 days | |
| JBO-500625 | M30 | 3.5 | £168.86 | 5 days | |
| JBO-505324 | M33 | 3.5 | £187.50 | 5 days | |
| JBO-540008 | M36 | 4 | £199.57 | 5 days | |
| JBO-540862 | M39 | 4 | £216.02 | 5 days | |
| JBO-500149 | M1.6 | 0.35 | £124.99 | 5 days | |
| JBO-500156 | M1.8 | 0.35 | £124.99 | 5 days | |
| JBO-500410 | M2 | 0.4 | £105.26 | 5 days | |
| JBO-506051 | M2.2 | 0.45 | £117.33 | 5 days | |
| JBO-500433 | M2.5 | 0.45 | £82.80 | 5 days | |
| JBO-500602 | M3 | 0.5 | £63.83 | 5 days | |
| JBO-500614 | M3.5 | 0.6 | £66.02 | 5 days | |
| JBO-500737 | M4 | 0.7 | £58.90 | 5 days | |
| JBO-500828 | M5 | 0.8 | £58.90 | 5 days | |
| JBO-500901 | M6 | 1 | £58.90 | 5 days | |
| JBO-500950 | M7 | 1 | £68.54 | 5 days | |
| JBO-500985 | M8 | 1.25 | £60.43 | 5 days | |
| JBO-504251 | M9 | 1.25 | £82.24 | 5 days | |
| JBO-500164 | M10 | 1.5 | £69.51 | 5 days | |
| JBO-500203 | M11 | 1.5 | £96.40 | 5 days | |
| JBO-500223 | M12 | 1.75 | £77.19 | 5 days | |
| JBO-500280 | M14 | 2 | £82.45 | 5 days | |
| JBO-500333 | M16 | 2 | £91.67 | 5 days | |
| JBO-500372 | M18 | 2.5 | £106.25 | 5 days | |
| JBO-500453 | M20 | 2.5 | £117.33 | 5 days | |
| JBO-500481 | M22 | 2.5 | £129.40 | 5 days | |
| JBO-500512 | M24 | 3 | £137.06 | 5 days | |
| JBO-500561 | M27 | 3 | £154.62 | 5 days | |
| JBO-500626 | M30 | 3.5 | £168.86 | 5 days | |
| JBO-503925 | M33 | 3.5 | £183.12 | 5 days | |
| JBO-500697 | M36 | 4 | £199.57 | 5 days | |
| JBO-506052 | M39 | 4 | £216.02 | 5 days | |
| JBO-506061 | M42 | 4.5 | £285.10 | 5 days | |
| JBO-506062 | M45 | 4.5 | £301.53 | 5 days | |
| JBO-505776 | M48 | 5 | £321.28 | 5 days | |
| JBO-506063 | M52 | 5 | £343.21 | 5 days | |
| JBO-500132 | M1 | 0.25 | £509.89 | 5 days | |
| JBO-506046 | M1.1 | 0.25 | £649.14 | 5 days | |
| JBO-500137 | M1.2 | 0.25 | £467.11 | 5 days | |
| JBO-500140 | M1.4 | 0.3 | £144.74 | 5 days | |
| JBO-500147 | M1.6 | 0.35 | £124.99 | 5 days | |
| JBO-500155 | M1.8 | 0.35 | £111.84 | 5 days | |
| JBO-500407 | M2 | 0.4 | £105.26 | 5 days | |
| JBO-503923 | M2.2 | 0.45 | £117.33 | 5 days | |
| JBO-500430 | M2.5 | 0.45 | £82.80 | 5 days | |
| JBO-500598 | M3 | 0.5 | £63.83 | 5 days | |
| JBO-500612 | M3.5 | 0.6 | £66.02 | 5 days | |
| JBO-500735 | M4 | 0.7 | £58.90 | 5 days | |
| JBO-500824 | M5 | 0.8 | £58.90 | 5 days | |
| JBO-500899 | M6 | 1 | £58.90 | 5 days | |
| JBO-502914 | M7 | 1 | £68.54 | 5 days | |
| JBO-500983 | M8 | 1.25 | £60.43 | 5 days | |
| JBO-501025 | M9 | 1.25 | £82.24 | 5 days | |
| JBO-500161 | M10 | 1.5 | £69.51 | 5 days | |
| JBO-503125 | M11 | 1.5 | £96.40 | 5 days | |
| JBO-500220 | M12 | 1.75 | £77.19 | 5 days | |
| JBO-503920 | M14 | 2 | £82.45 | 5 days | |
| JBO-500330 | M16 | 2 | £91.67 | 5 days | |
| JBO-503921 | M18 | 2.5 | £106.25 | 5 days | |
| JBO-500450 | M20 | 2.5 | £117.33 | 5 days | |
| JBO-503922 | M22 | 2.5 | £131.59 | 5 days | |
| JBO-500510 | M24 | 3 | £137.06 | 5 days | |
| JBO-506047 | M27 | 3 | £144.74 | 5 days | |
| JBO-500624 | M30 | 3.5 | £172.16 | 5 days | |
| JBO-506031 | M1.4 | 0.3 | £163.39 | 5 days | |
| JBO-505436 | M1.6 | 0.35 | £141.45 | 5 days | |
| JBO-502739 | M2 | 0.4 | £127.21 | 5 days | |
| JBO-500434 | M2.5 | 0.45 | £94.73 | 5 days | |
| JBO-500604 | M3 | 0.5 | £63.83 | 5 days | |
| JBO-500615 | M3.5 | 0.6 | £66.02 | 5 days | |
| JBO-500739 | M4 | 0.7 | £58.90 | 5 days | |
| JBO-500831 | M5 | 0.8 | £58.90 | 5 days | |
| JBO-500904 | M6 | 1 | £58.90 | 5 days | |
| JBO-500951 | M7 | 1 | £68.54 | 5 days | |
| JBO-500989 | M8 | 1.25 | £60.43 | 5 days | |
| JBO-502801 | M9 | 1.25 | £82.24 | 5 days | |
| JBO-500167 | M10 | 1.5 | £69.51 | 5 days | |
| JBO-503904 | M11 | 1.5 | £96.40 | 5 days | |
| JBO-500227 | M12 | 1.75 | £77.19 | 5 days | |
| JBO-500281 | M14 | 2 | £94.09 | 5 days | |
| JBO-500334 | M16 | 2 | £91.67 | 5 days | |
| JBO-500373 | M18 | 2.5 | £106.25 | 5 days | |
| JBO-500454 | M20 | 2.5 | £117.33 | 5 days | |
| JBO-503353 | M22 | 2.5 | £129.40 | 5 days | |
| JBO-500514 | M24 | 3 | £137.06 | 5 days | |
| JBO-500562 | M27 | 3 | £154.62 | 5 days | |
| JBO-500627 | M30 | 3.5 | £168.86 | 5 days | |
| JBO-500665 | M33 | 3.5 | £183.12 | 5 days | |
| JBO-500698 | M36 | 4 | £199.57 | 5 days | |
| JBO-502988 | M39 | 4 | £230.28 | 5 days | |
| JBO-503933 | M42 | 4.5 | £250.01 | 5 days | |
| JBO-505825 | M45 | 4.5 | £264.27 | 5 days | |
| JBO-503726 | M48 | 5 | £280.72 | 5 days | |
| JBO-506064 | M52 | 5 | £301.53 | 5 days | |
| JBO-503918 | M4 | 0.7 | £69.74 | 5 days | |
| JBO-502955 | M5 | 0.8 | £69.74 | 5 days | |
| JBO-500905 | M6 | 1 | £69.74 | 5 days | |
| JBO-500990 | M8 | 1.25 | £71.39 | 5 days | |
| JBO-503094 | M10 | 1.5 | £82.35 | 5 days | |
| JBO-503760 | M12 | 1.75 | £91.57 | 5 days | |
| JBO-500335 | M16 | 2 | £108.68 | 5 days | |
| JBO-503919 | M20 | 2.5 | £137.06 | 5 days |
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