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JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 4H - M26 x 1.5
SKU:JBO-511998
Designed for metric fine-thread applications, the JBO Thread Plug Gauge provides fast, reliable Go/No-Go checks of threaded holes. This tool is ideal for machinists, quality inspectors, and assem...
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Specifications at a glance
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| Thread Form | Metric |
| Size | M26 |
| Pitch | 1.5 |
| Gauge Type | Plug Gauge (D/E) |
£134.87
Prices shown ex. VAT
5 days 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.
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Description
Designed for metric fine-thread applications, the JBO Thread Plug Gauge provides fast, reliable Go/No-Go checks of threaded holes. This tool is ideal for machinists, quality inspectors, and assembly teams who need quick confirmation that holes will accept fasteners with the correct fit.
- Go/No-Go quick verification: Instantly confirms whether a hole meets the required size, speeding inspections and reducing guesswork.
- Metric fine thread compatibility (M26 x 1.5, 4H): Designed for metric fine-thread holes, ensuring accurate sizing and repeatable checks for critical assemblies.
- Durable hardened steel construction: Built to withstand daily workshop use, resisting wear and deformation to deliver long service life and consistent measurements.
With the JBO Thread Plug Gauge, you gain a dependable inspection partner that helps you cut rework, improve throughput, and ensure reliable fit between components. The Go/No-Go design makes it easy to spot out-of-tolerance holes at a glance, while the precise M26 x 1.5, 4H sizing delivers repeatable results across multiple gauges and operators. Rugged and accurate, this gauge stays reliable even in busy production environments, giving you confidence to move from inspection to assembly with certainty.
Part Numbers
- Protool Part Number
- JBO-511998
- Brand
- JBO
- Category
- Gauge
No downloads are attached to this product yet.
Need cutting data? Call 01732 887334 or email sales@protool-ltd.co.uk.
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.
Ask our technical team about this tool
Full Range: JBO Thread Plug Gauges - Metric Fine Go/No-Go
View full collection →You are viewing JBO-511998. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| JBO-530859 | M1 | 0.2 | £332.24 | 5 days | |
| JBO-528018 | M1.2 | 0.2 | £328.97 | 5 days | |
| JBO-513456 | M1.4 | 0.2 | £320.18 | 5 days | |
| JBO-517010 | M1.6 | 0.2 | £305.94 | 5 days | |
| JBO-513362 | M1.8 | 0.2 | £300.45 | 5 days | |
| JBO-518211 | M2 | 0.2 | £290.57 | 5 days | |
| JBO-530985 | M2.5 | 0.2 | £285.10 | 5 days | |
| JBO-511872 | M2 | 0.25 | £214.91 | 5 days | |
| JBO-511878 | M2.2 | 0.25 | £214.91 | 5 days | |
| JBO-511891 | M2.5 | 0.25 | £209.44 | 5 days | |
| JBO-512053 | M3 | 0.25 | £209.44 | 5 days | |
| JBO-512068 | M3.5 | 0.25 | £222.60 | 5 days | |
| JBO-514142 | M4 | 0.25 | £222.60 | 5 days | |
| JBO-512235 | M5 | 0.25 | £220.40 | 5 days | |
| JBO-513946 | M6 | 0.25 | £220.40 | 5 days | |
| JBO-511892 | M2.5 | 0.35 | £155.70 | 5 days | |
| JBO-512054 | M3 | 0.35 | £137.06 | 5 days | |
| JBO-512069 | M3.5 | 0.35 | £137.06 | 5 days | |
| JBO-512190 | M4 | 0.35 | £129.40 | 5 days | |
| JBO-512205 | M4.5 | 0.35 | £185.31 | 5 days | |
| JBO-512236 | M5 | 0.35 | £185.31 | 5 days | |
| JBO-512270 | M6 | 0.35 | £194.08 | 5 days | |
| JBO-512291 | M7 | 0.35 | £194.08 | 5 days | |
| JBO-512320 | M8 | 0.35 | £202.87 | 5 days | |
| JBO-512348 | M9 | 0.35 | £202.87 | 5 days | |
| JBO-520002 | M10 | 0.35 | £209.44 | 5 days | |
| JBO-512072 | M3.5 | 0.5 | £153.51 | 5 days | |
| JBO-512195 | M4 | 0.5 | £102.86 | 5 days | |
| JBO-512206 | M4.5 | 0.5 | £115.14 | 5 days | |
| JBO-512238 | M5 | 0.5 | £99.68 | 5 days | |
| JBO-512248 | M5.5 | 0.5 | £194.08 | 5 days | |
| JBO-512271 | M6 | 0.5 | £98.80 | 5 days | |
| JBO-512285 | M6.5 | 0.5 | £194.08 | 5 days | |
| JBO-512292 | M7 | 0.5 | £101.66 | 5 days | |
| JBO-512301 | M7.5 | 0.5 | £196.27 | 5 days | |
| JBO-512321 | M8 | 0.5 | £102.76 | 5 days | |
| JBO-512343 | M8.5 | 0.5 | £196.27 | 5 days | |
| JBO-512350 | M9 | 0.5 | £117.33 | 5 days | |
| JBO-511656 | M10 | 0.5 | £112.95 | 5 days | |
| JBO-511681 | M11 | 0.5 | £129.40 | 5 days | |
| JBO-511699 | M12 | 0.5 | £122.80 | 5 days | |
| JBO-511722 | M13 | 0.5 | £143.64 | 5 days | |
| JBO-511736 | M14 | 0.5 | £132.68 | 5 days | |
| JBO-511762 | M15 | 0.5 | £157.90 | 5 days | |
| JBO-511785 | M16 | 0.5 | £150.21 | 5 days | |
| JBO-511812 | M17 | 0.5 | £187.50 | 5 days | |
| JBO-511825 | M18 | 0.5 | £168.86 | 5 days | |
| JBO-511845 | M19 | 0.5 | £211.63 | 5 days | |
| JBO-511909 | M20 | 0.5 | £187.50 | 5 days | |
| JBO-511927 | M21 | 0.5 | £287.29 | 5 days | |
| JBO-511939 | M22 | 0.5 | £301.53 | 5 days | |
| JBO-511960 | M23 | 0.5 | £311.41 | 5 days | |
| JBO-511970 | M24 | 0.5 | £304.83 | 5 days | |
| JBO-514233 | M25 | 0.5 | £311.41 | 5 days | |
| JBO-512999 | M26 | 0.5 | £312.51 | 5 days | |
| JBO-513054 | M27 | 0.5 | £312.51 | 5 days | |
| JBO-513285 | M28 | 0.5 | £314.71 | 5 days | |
| JBO-513562 | M29 | 0.5 | £319.09 | 5 days | |
| JBO-513366 | M30 | 0.5 | £319.09 | 5 days | |
| JBO-512095 | M31 | 0.5 | £321.28 | 5 days | |
| JBO-512097 | M32 | 0.5 | £321.28 | 5 days | |
| JBO-512110 | M33 | 0.5 | £378.30 | 5 days | |
| JBO-512125 | M34 | 0.5 | £384.88 | 5 days | |
| JBO-512134 | M35 | 0.5 | £389.26 | 5 days | |
| JBO-513561 | M36 | 0.5 | £401.33 | 5 days | |
| JBO-514184 | M37 | 0.5 | £414.48 | 5 days | |
| JBO-514226 | M38 | 0.5 | £425.44 | 5 days | |
| JBO-513747 | M39 | 0.5 | £439.70 | 5 days | |
| JBO-514150 | M40 | 0.5 | £452.85 | 5 days | |
| JBO-512243 | M5 | 0.75 | £79.38 | 5 days | |
| JBO-512277 | M6 | 0.75 | £66.68 | 5 days | |
| JBO-512295 | M7 | 0.75 | £71.49 | 5 days | |
| JBO-512326 | M8 | 0.75 | £70.07 | 5 days | |
| JBO-512352 | M9 | 0.75 | £79.29 | 5 days | |
| JBO-511659 | M10 | 0.75 | £74.90 | 5 days | |
| JBO-511682 | M11 | 0.75 | £84.88 | 5 days | |
| JBO-511701 | M12 | 0.75 | £80.92 | 5 days | |
| JBO-511723 | M13 | 0.75 | £88.27 | 5 days | |
| JBO-511739 | M14 | 0.75 | £88.27 | 5 days | |
| JBO-511764 | M15 | 0.75 | £94.30 | 5 days | |
| JBO-511789 | M16 | 0.75 | £94.30 | 5 days | |
| JBO-511813 | M17 | 0.75 | £107.57 | 5 days | |
| JBO-511826 | M18 | 0.75 | £99.56 | 5 days | |
| JBO-511846 | M19 | 0.75 | £117.33 | 5 days | |
| JBO-511910 | M20 | 0.75 | £110.75 | 5 days | |
| JBO-511928 | M21 | 0.75 | £126.10 | 5 days | |
| JBO-511940 | M22 | 0.75 | £129.40 | 5 days | |
| JBO-512997 | M23 | 0.75 | £141.45 | 5 days | |
| JBO-511971 | M24 | 0.75 | £139.25 | 5 days | |
| JBO-511984 | M25 | 0.75 | £144.74 | 5 days | |
| JBO-511993 | M26 | 0.75 | £149.13 | 5 days | |
| JBO-512009 | M27 | 0.75 | £150.21 | 5 days | |
| JBO-512025 | M28 | 0.75 | £154.62 | 5 days | |
| JBO-512034 | M29 | 0.75 | £166.67 | 5 days | |
| JBO-512078 | M30 | 0.75 | £160.09 | 5 days | |
| JBO-513442 | M31 | 0.75 | £375.00 | 5 days | |
| JBO-516791 | M32 | 0.75 | £375.00 | 5 days | |
| JBO-512111 | M33 | 0.75 | £376.11 | 5 days | |
| JBO-516445 | M34 | 0.75 | £376.11 | 5 days | |
| JBO-513917 | M35 | 0.75 | £379.41 | 5 days | |
| JBO-512147 | M36 | 0.75 | £379.41 | 5 days | |
| JBO-513182 | M37 | 0.75 | £382.68 | 5 days | |
| JBO-512159 | M38 | 0.75 | £382.68 | 5 days | |
| JBO-512168 | M39 | 0.75 | £392.56 | 5 days | |
| JBO-512208 | M40 | 0.75 | £385.98 | 5 days | |
| JBO-512331 | M8 | 1 | £61.75 | 5 days | |
| JBO-512356 | M9 | 1 | £67.45 | 5 days | |
| JBO-511663 | M10 | 1 | £65.03 | 5 days | |
| JBO-511684 | M11 | 1 | £71.94 | 5 days | |
| JBO-511703 | M12 | 1 | £70.62 | 5 days | |
| JBO-511724 | M13 | 1 | £82.14 | 5 days | |
| JBO-511745 | M14 | 1 | £75.12 | 5 days | |
| JBO-511766 | M15 | 1 | £84.99 | 5 days | |
| JBO-511792 | M16 | 1 | £80.70 | 5 days | |
| JBO-511815 | M17 | 1 | £91.35 | 5 days | |
| JBO-511829 | M18 | 1 | £84.33 | 5 days | |
| JBO-511849 | M19 | 1 | £100.43 | 5 days | |
| JBO-511911 | M20 | 1 | £90.04 | 5 days | |
| JBO-511930 | M21 | 1 | £114.03 | 5 days | |
| JBO-511942 | M22 | 1 | £101.09 | 5 days | |
| JBO-511961 | M23 | 1 | £122.80 | 5 days | |
| JBO-511972 | M24 | 1 | £108.89 | 5 days | |
| JBO-511985 | M25 | 1 | £119.52 | 5 days | |
| JBO-511994 | M26 | 1 | £123.91 | 5 days | |
| JBO-512011 | M27 | 1 | £128.29 | 5 days | |
| JBO-512026 | M28 | 1 | £130.48 | 5 days | |
| JBO-512035 | M29 | 1 | £150.21 | 5 days | |
| JBO-512079 | M30 | 1 | £132.68 | 5 days | |
| JBO-512098 | M32 | 1 | £137.06 | 5 days | |
| JBO-512112 | M33 | 1 | £143.64 | 5 days | |
| JBO-512126 | M34 | 1 | £148.02 | 5 days | |
| JBO-512135 | M35 | 1 | £155.70 | 5 days | |
| JBO-512148 | M36 | 1 | £160.09 | 5 days | |
| JBO-512160 | M38 | 1 | £171.05 | 5 days | |
| JBO-512169 | M39 | 1 | £224.79 | 5 days | |
| JBO-512209 | M40 | 1 | £183.12 | 5 days | |
| JBO-511675 | M10 | 1.25 | £75.78 | 5 days | |
| JBO-511711 | M12 | 1.25 | £80.61 | 5 days | |
| JBO-511752 | M14 | 1.25 | £92.89 | 5 days | |
| JBO-511800 | M16 | 1.25 | £222.60 | 5 days | |
| JBO-511833 | M18 | 1.25 | £264.27 | 5 days | |
| JBO-511917 | M20 | 1.25 | £279.61 | 5 days | |
| JBO-514324 | M22 | 1.25 | £285.10 | 5 days | |
| JBO-514109 | M24 | 1.25 | £289.49 | 5 days | |
| JBO-511716 | M12 | 1.5 | £64.37 | 5 days | |
| JBO-511728 | M13 | 1.5 | £132.68 | 5 days | |
| JBO-511755 | M14 | 1.5 | £68.75 | 5 days | |
| JBO-511771 | M15 | 1.5 | £84.99 | 5 days | |
| JBO-511802 | M16 | 1.5 | £71.84 | 5 days | |
| JBO-511818 | M17 | 1.5 | £119.52 | 5 days | |
| JBO-511835 | M18 | 1.5 | £76.44 | 5 days | |
| JBO-511855 | M19 | 1.5 | £178.73 | 5 days | |
| JBO-511918 | M20 | 1.5 | £82.02 | 5 days | |
| JBO-511933 | M21 | 1.5 | £194.08 | 5 days | |
| JBO-511948 | M22 | 1.5 | £89.92 | 5 days | |
| JBO-511976 | M24 | 1.5 | £96.83 | 5 days | |
| JBO-511989 | M25 | 1.5 | £100.43 | 5 days | |
| JBO-511997 | M26 | 1.5 | £103.63 | 5 days | |
| JBO-512015 | M27 | 1.5 | £106.70 | 5 days | |
| JBO-512028 | M28 | 1.5 | £109.65 | 5 days | |
| JBO-512083 | M30 | 1.5 | £118.42 | 5 days | |
| JBO-512101 | M32 | 1.5 | £120.61 | 5 days | |
| JBO-512117 | M33 | 1.5 | £123.91 | 5 days | |
| JBO-512130 | M34 | 1.5 | £130.48 | 5 days | |
| JBO-512137 | M35 | 1.5 | £129.40 | 5 days | |
| JBO-512150 | M36 | 1.5 | £131.59 | 5 days | |
| JBO-512162 | M38 | 1.5 | £144.74 | 5 days | |
| JBO-512170 | M39 | 1.5 | £154.62 | 5 days | |
| JBO-512212 | M40 | 1.5 | £152.43 | 5 days | |
| JBO-511843 | M18 | 2 | £84.64 | 5 days | |
| JBO-511923 | M20 | 2 | £87.73 | 5 days | |
| JBO-511955 | M22 | 2 | £93.86 | 5 days | |
| JBO-511981 | M24 | 2 | £99.46 | 5 days | |
| JBO-511992 | M25 | 2 | £105.48 | 5 days | |
| JBO-512003 | M26 | 2 | £109.22 | 5 days | |
| JBO-512020 | M27 | 2 | £108.33 | 5 days | |
| JBO-512032 | M28 | 2 | £115.14 | 5 days | |
| JBO-512089 | M30 | 2 | £118.42 | 5 days | |
| JBO-512106 | M32 | 2 | £123.91 | 5 days | |
| JBO-512120 | M33 | 2 | £127.21 | 5 days | |
| JBO-512133 | M34 | 2 | £169.96 | 5 days | |
| JBO-512142 | M35 | 2 | £173.24 | 5 days | |
| JBO-512153 | M36 | 2 | £137.06 | 5 days | |
| JBO-512165 | M38 | 2 | £151.32 | 5 days | |
| JBO-512173 | M39 | 2 | £154.62 | 5 days | |
| JBO-512216 | M40 | 2 | £161.19 | 5 days | |
| JBO-512094 | M30 | 3 | £143.64 | 5 days | |
| JBO-512124 | M33 | 3 | £150.21 | 5 days | |
| JBO-512156 | M36 | 3 | £152.43 | 5 days | |
| JBO-512175 | M39 | 3 | £185.31 | 5 days | |
| JBO-512217 | M40 | 3 | £207.25 | 5 days | |
| JBO-512197 | M4 | 0.5 | £118.42 | 5 days | |
| JBO-512207 | M4.5 | 0.5 | £131.59 | 5 days | |
| JBO-512240 | M5 | 0.5 | £114.03 | 5 days | |
| JBO-512249 | M5.5 | 0.5 | £201.76 | 5 days | |
| JBO-512274 | M6 | 0.5 | £114.03 | 5 days | |
| JBO-512294 | M7 | 0.5 | £119.52 | 5 days | |
| JBO-512324 | M8 | 0.5 | £117.33 | 5 days | |
| JBO-512351 | M9 | 0.5 | £143.64 | 5 days | |
| JBO-511657 | M10 | 0.5 | £131.59 | 5 days | |
| JBO-514114 | M11 | 0.5 | £157.90 | 5 days | |
| JBO-511700 | M12 | 0.5 | £142.55 | 5 days | |
| JBO-511738 | M14 | 0.5 | £159.00 | 5 days | |
| JBO-511763 | M15 | 0.5 | £187.50 | 5 days | |
| JBO-511787 | M16 | 0.5 | £182.03 | 5 days | |
| JBO-518297 | M17 | 0.5 | £226.98 | 5 days | |
| JBO-513016 | M18 | 0.5 | £212.72 | 5 days | |
| JBO-516782 | M20 | 0.5 | £231.36 | 5 days | |
| JBO-512280 | M6 | 0.75 | £74.03 | 5 days | |
| JBO-512298 | M7 | 0.75 | £83.23 | 5 days | |
| JBO-512327 | M8 | 0.75 | £74.13 | 5 days | |
| JBO-512354 | M9 | 0.75 | £92.77 | 5 days | |
| JBO-511661 | M10 | 0.75 | £87.40 | 5 days | |
| JBO-511683 | M11 | 0.75 | £101.87 | 5 days | |
| JBO-511702 | M12 | 0.75 | £96.05 | 5 days | |
| JBO-513284 | M13 | 0.75 | £105.71 | 5 days | |
| JBO-511742 | M14 | 0.75 | £102.98 | 5 days | |
| JBO-511765 | M15 | 0.75 | £109.65 | 5 days | |
| JBO-511790 | M16 | 0.75 | £109.65 | 5 days | |
| JBO-511814 | M17 | 0.75 | £128.29 | 5 days | |
| JBO-511828 | M18 | 0.75 | £116.23 | 5 days | |
| JBO-511847 | M19 | 0.75 | £134.87 | 5 days | |
| JBO-514211 | M20 | 0.75 | £131.59 | 5 days | |
| JBO-511929 | M21 | 0.75 | £152.43 | 5 days | |
| JBO-511941 | M22 | 0.75 | £152.43 | 5 days | |
| JBO-523226 | M23 | 0.75 | £163.39 | 5 days | |
| JBO-512335 | M8 | 1 | £69.08 | 5 days | |
| JBO-512359 | M9 | 1 | £79.29 | 5 days | |
| JBO-511668 | M10 | 1 | £72.50 | 5 days | |
| JBO-511685 | M11 | 1 | £86.52 | 5 days | |
| JBO-511706 | M12 | 1 | £78.84 | 5 days | |
| JBO-511725 | M13 | 1 | £98.59 | 5 days | |
| JBO-511747 | M14 | 1 | £91.35 | 5 days | |
| JBO-511768 | M15 | 1 | £101.87 | 5 days | |
| JBO-511795 | M16 | 1 | £97.16 | 5 days | |
| JBO-511816 | M17 | 1 | £109.65 | 5 days | |
| JBO-511831 | M18 | 1 | £102.76 | 5 days | |
| JBO-511851 | M19 | 1 | £122.80 | 5 days | |
| JBO-511913 | M20 | 1 | £108.33 | 5 days | |
| JBO-511932 | M21 | 1 | £139.25 | 5 days | |
| JBO-511945 | M22 | 1 | £120.61 | 5 days | |
| JBO-511962 | M23 | 1 | £148.02 | 5 days | |
| JBO-511974 | M24 | 1 | £129.40 | 5 days | |
| JBO-511986 | M25 | 1 | £144.74 | 5 days | |
| JBO-511995 | M26 | 1 | £149.13 | 5 days | |
| JBO-512012 | M27 | 1 | £154.62 | 5 days | |
| JBO-512027 | M28 | 1 | £159.00 | 5 days | |
| JBO-513718 | M29 | 1 | £178.73 | 5 days | |
| JBO-512081 | M30 | 1 | £161.19 | 5 days | |
| JBO-512099 | M32 | 1 | £164.47 | 5 days |
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