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JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 6g - M8 x 1.25
| Thread Form | Metric |
| Size | M8 |
| Pitch | 1.25 |
| Gauge Type | Ring Gauge (NoGo) |
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Description
The JBO Thread Ring Gauge (NoGo) - Metric Coarse is a precision external thread gauge designed to verify M8 x 1.25 coarse threads. Perfect for quality control teams, machine shops, and assembly lines, it helps ensure every threaded connection meets the exact standard and fits as intended.
Designed for durability in demanding environments, this NoGo gauge is crafted from hardened steel and configured for metric coarse threads with a 6g class, right-hand orientation. The result is reliable, repeatable checks you can trust day after day, helping quickly flag non-conforming parts and prevent incorrect fittings in your workflow.
- Precise NoGo verification for M8 x 1.25 coarse threads (6g, Right-Hand): Enables quick pass/fail checks to ensure external threads meet exact specifications, reducing guesswork and rework in inspection and assembly.
- Rugged, wear-resistant construction with knurled grip: Hardened steel body stands up to daily use, and the knurled outer edge provides secure handling for accurate setup, even in busy shop environments.
- Easy, quick inspection workflow: Designed for straightforward use so non-conforming threads are easy to spot, helping maintain consistent quality and keep production moving.
Using the JBO NoGo gauge simplifies the verification of external metric coarse threads, supports reliable mating with corresponding parts, and helps you maintain consistent quality across batches. It’s a practical, dependable addition to any thread-measuring toolkit, delivering confident results with every check.
Part Numbers
- Protool Part Number
- JBO-500980
- 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-500980. 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 | 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 Viewing | 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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