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JBO Thread Plug Gauge (NoGo) - Metric Fine - Right Hand - 6H - M138 x 2
SKU:JBO-520079
The JBO Thread Plug Gauge (NoGo) – Metric Fine, Right Hand, 6H, M138 x 2 is a precision inspection tool designed for engineers, machinists, quality teams, and workshop staff who work with metric-...
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Specification
| Thread Form | Metric |
| Size | M138 |
| Pitch | 2 |
| Gauge Type | Plug Gauge (NoGo) |
| Thread Direction | Right Hand |
| Tolerance | 6H |
£335.54
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.
Learn more about Klarna
Learn more about Klarna
The JBO Thread Plug Gauge (NoGo) – Metric Fine, Right Hand, 6H, M138 x 2 is a precision inspection tool designed for engineers, machinists, quality teams, and workshop staff who work with metric-fine holes. It provides a fast, reliable way to verify internal threads meet exact specifications, helping you confirm component readiness without guesswork.
Designed for durability and repeatable results, it features hardened steel construction and a knurled body for secure handling. The distinctive red tolerance band offers a quick visual cue, and the compact form fits into tight workspaces for easier in-process checks.
- NoGo Verification for Metric Fine Threads (Right-Hand, M138 x 2, 6H): Calibrated to the exact No-Go limit for metric-fine holes, it provides a clear pass/fail result that speeds inspections and reduces guesswork in production, assembly, and QA workflows.
- Hardened Steel Construction: Built to endure busy shop environments, the gauge resists wear, maintains accuracy, and delivers long service life even after repeated use.
- Ergonomic Knurled Body with Red Tolerance Band: The textured grip and visual cue on the band make handling comfortable and measurements repeatable in tight spaces.
By adopting the JBO Metric Fine NoGo plug gauge, you streamline threaded-hole inspection, reduce rework, and improve overall part quality. It supports faster, more repeatable measurements and helps your team maintain tight tolerances across demanding applications.
| Thread Form | Metric |
| Size | M138 |
| Pitch | 2 |
| Gauge Type | Plug Gauge (NoGo) |
| Thread Direction | Right Hand |
| Tolerance | 6H |
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: JBO Thread Plug Gauges (NoGo) - Metric Fine
View full collection →You are viewing JBO-520079. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| JBO-510384 | M42 | 1 | £99.13 | 5 days | |
| JBO-510396 | M45 | 1 | £104.39 | 5 days | |
| JBO-510410 | M48 | 1 | £111.84 | 5 days | |
| JBO-510435 | M50 | 1 | £117.33 | 5 days | |
| JBO-510445 | M52 | 1 | £121.72 | 5 days | |
| JBO-513566 | M55 | 1 | £129.40 | 5 days | |
| JBO-510458 | M56 | 1 | £131.59 | 5 days | |
| JBO-510465 | M58 | 1 | £141.45 | 5 days | |
| JBO-513147 | M60 | 1 | £148.02 | 5 days | |
| JBO-513479 | M62 | 1 | £167.77 | 5 days | |
| JBO-513731 | M64 | 1 | £169.96 | 5 days | |
| JBO-514016 | M65 | 1 | £172.16 | 5 days | |
| JBO-516620 | M68 | 1 | £182.03 | 5 days | |
| JBO-510507 | M70 | 1 | £186.41 | 5 days | |
| JBO-520033 | M72 | 1 | £194.08 | 5 days | |
| JBO-520034 | M75 | 1 | £207.25 | 5 days | |
| JBO-520035 | M76 | 1 | £208.34 | 5 days | |
| JBO-520036 | M78 | 1 | £221.49 | 5 days | |
| JBO-520037 | M80 | 1 | £219.30 | 5 days | |
| JBO-510386 | M42 | 1.5 | £84.99 | 5 days | |
| JBO-510397 | M45 | 1.5 | £89.92 | 5 days | |
| JBO-510412 | M48 | 1.5 | £95.74 | 5 days | |
| JBO-510436 | M50 | 1.5 | £99.13 | 5 days | |
| JBO-510446 | M52 | 1.5 | £102.32 | 5 days | |
| JBO-510454 | M55 | 1.5 | £109.65 | 5 days | |
| JBO-510459 | M56 | 1.5 | £111.84 | 5 days | |
| JBO-510466 | M58 | 1.5 | £115.14 | 5 days | |
| JBO-510483 | M60 | 1.5 | £119.52 | 5 days | |
| JBO-510488 | M62 | 1.5 | £123.91 | 5 days | |
| JBO-510493 | M64 | 1.5 | £127.21 | 5 days | |
| JBO-510496 | M65 | 1.5 | £131.59 | 5 days | |
| JBO-510501 | M68 | 1.5 | £134.87 | 5 days | |
| JBO-510508 | M70 | 1.5 | £141.45 | 5 days | |
| JBO-510511 | M72 | 1.5 | £149.13 | 5 days | |
| JBO-510513 | M75 | 1.5 | £155.70 | 5 days | |
| JBO-513382 | M76 | 1.5 | £188.61 | 5 days | |
| JBO-510517 | M78 | 1.5 | £162.28 | 5 days | |
| JBO-510543 | M80 | 1.5 | £167.77 | 5 days | |
| JBO-510546 | M82 | 1.5 | £169.96 | 5 days | |
| JBO-510547 | M85 | 1.5 | £176.54 | 5 days | |
| JBO-510551 | M88 | 1.5 | £182.03 | 5 days | |
| JBO-510561 | M90 | 1.5 | £186.41 | 5 days | |
| JBO-513056 | M92 | 1.5 | £194.08 | 5 days | |
| JBO-520054 | M98 | 1.5 | £246.71 | 5 days | |
| JBO-510089 | M100 | 1.5 | £207.25 | 5 days | |
| JBO-510092 | M102 | 1.5 | £248.90 | 5 days | |
| JBO-513006 | M105 | 1.5 | £219.30 | 5 days | |
| JBO-520055 | M108 | 1.5 | £265.35 | 5 days | |
| JBO-513931 | M110 | 1.5 | £230.28 | 5 days | |
| JBO-510105 | M112 | 1.5 | £267.55 | 5 days | |
| JBO-520056 | M115 | 1.5 | £276.31 | 5 days | |
| JBO-520057 | M118 | 1.5 | £284.00 | 5 days | |
| JBO-520058 | M120 | 1.5 | £286.19 | 5 days | |
| JBO-520059 | M122 | 1.5 | £309.22 | 5 days | |
| JBO-520060 | M125 | 1.5 | £301.53 | 5 days | |
| JBO-510124 | M128 | 1.5 | £325.67 | 5 days | |
| JBO-517862 | M130 | 1.5 | £313.60 | 5 days | |
| JBO-520061 | M132 | 1.5 | £319.09 | 5 days | |
| JBO-517018 | M135 | 1.5 | £334.44 | 5 days | |
| JBO-520062 | M138 | 1.5 | £341.01 | 5 days | |
| JBO-520063 | M140 | 1.5 | £346.50 | 5 days | |
| JBO-520064 | M142 | 1.5 | £345.40 | 5 days | |
| JBO-520065 | M145 | 1.5 | £357.46 | 5 days | |
| JBO-520066 | M148 | 1.5 | £367.34 | 5 days | |
| JBO-518078 | M150 | 1.5 | £373.92 | 5 days | |
| JBO-510389 | M42 | 2 | £87.63 | 5 days | |
| JBO-510400 | M45 | 2 | £93.55 | 5 days | |
| JBO-510415 | M48 | 2 | £98.69 | 5 days | |
| JBO-510439 | M50 | 2 | £102.10 | 5 days | |
| JBO-510448 | M52 | 2 | £106.14 | 5 days | |
| JBO-510456 | M55 | 2 | £112.95 | 5 days | |
| JBO-510461 | M56 | 2 | £115.14 | 5 days | |
| JBO-510467 | M58 | 2 | £118.42 | 5 days | |
| JBO-510484 | M60 | 2 | £123.91 | 5 days | |
| JBO-510489 | M62 | 2 | £127.21 | 5 days | |
| JBO-510494 | M64 | 2 | £131.59 | 5 days | |
| JBO-510497 | M65 | 2 | £134.87 | 5 days | |
| JBO-510502 | M68 | 2 | £141.45 | 5 days | |
| JBO-510509 | M70 | 2 | £144.74 | 5 days | |
| JBO-510512 | M72 | 2 | £150.21 | 5 days | |
| JBO-510514 | M75 | 2 | £155.70 | 5 days | |
| JBO-510516 | M76 | 2 | £166.67 | 5 days | |
| JBO-510518 | M78 | 2 | £169.96 | 5 days | |
| JBO-510544 | M80 | 2 | £167.77 | 5 days | |
| JBO-516627 | M82 | 2 | £178.73 | 5 days | |
| JBO-510548 | M85 | 2 | £178.73 | 5 days | |
| JBO-510552 | M88 | 2 | £196.27 | 5 days | |
| JBO-510562 | M90 | 2 | £186.41 | 5 days | |
| JBO-510565 | M92 | 2 | £191.89 | 5 days | |
| JBO-510567 | M95 | 2 | £196.27 | 5 days | |
| JBO-510568 | M98 | 2 | £201.76 | 5 days | |
| JBO-510090 | M100 | 2 | £207.25 | 5 days | |
| JBO-516575 | M102 | 2 | £252.20 | 5 days | |
| JBO-510093 | M105 | 2 | £219.30 | 5 days | |
| JBO-510095 | M108 | 2 | £266.46 | 5 days | |
| JBO-510103 | M110 | 2 | £229.17 | 5 days | |
| JBO-516577 | M112 | 2 | £274.12 | 5 days | |
| JBO-513918 | M115 | 2 | £276.31 | 5 days | |
| JBO-519513 | M118 | 2 | £288.38 | 5 days | |
| JBO-510122 | M120 | 2 | £286.19 | 5 days | |
| JBO-516578 | M122 | 2 | £309.22 | 5 days | |
| JBO-514978 | M125 | 2 | £301.53 | 5 days | |
| JBO-520077 | M128 | 2 | £309.22 | 5 days | |
| JBO-514719 | M130 | 2 | £313.60 | 5 days | |
| JBO-510129 | M132 | 2 | £319.09 | 5 days | |
| JBO-520078 | M135 | 2 | £326.75 | 5 days | |
| JBO-520079 Viewing | M138 | 2 | £335.54 | 5 days | |
| JBO-518882 | M140 | 2 | £338.82 | 5 days | |
| JBO-520081 | M142 | 2 | £345.40 | 5 days | |
| JBO-519516 | M145 | 2 | £350.89 | 5 days | |
| JBO-520083 | M148 | 2 | £359.66 | 5 days | |
| JBO-510149 | M150 | 2 | £365.15 | 5 days | |
| JBO-510391 | M42 | 3 | £102.98 | 5 days | |
| JBO-510402 | M45 | 3 | £108.78 | 5 days | |
| JBO-510418 | M48 | 3 | £115.14 | 5 days | |
| JBO-510441 | M50 | 3 | £150.21 | 5 days | |
| JBO-510450 | M52 | 3 | £123.91 | 5 days | |
| JBO-516616 | M55 | 3 | £149.13 | 5 days | |
| JBO-510462 | M56 | 3 | £148.02 | 5 days | |
| JBO-510468 | M58 | 3 | £155.70 | 5 days | |
| JBO-513226 | M60 | 3 | £159.00 | 5 days | |
| JBO-513528 | M62 | 3 | £166.67 | 5 days | |
| JBO-513531 | M64 | 3 | £166.67 | 5 days | |
| JBO-510498 | M65 | 3 | £168.86 | 5 days | |
| JBO-513536 | M68 | 3 | £182.03 | 5 days | |
| JBO-520102 | M70 | 3 | £183.12 | 5 days | |
| JBO-513126 | M72 | 3 | £186.41 | 5 days | |
| JBO-510515 | M75 | 3 | £198.46 | 5 days | |
| JBO-520103 | M76 | 3 | £199.57 | 5 days | |
| JBO-516626 | M80 | 3 | £209.44 | 5 days | |
| JBO-510549 | M85 | 3 | £223.68 | 5 days | |
| JBO-510563 | M90 | 3 | £235.75 | 5 days | |
| JBO-516857 | M95 | 3 | £250.01 | 5 days | |
| JBO-510091 | M100 | 3 | £264.27 | 5 days | |
| JBO-517741 | M105 | 3 | £276.31 | 5 days | |
| JBO-510104 | M110 | 3 | £287.29 | 5 days | |
| JBO-517090 | M115 | 3 | £303.75 | 5 days | |
| JBO-520104 | M120 | 3 | £314.71 | 5 days | |
| JBO-510123 | M125 | 3 | £327.86 | 5 days | |
| JBO-513757 | M130 | 3 | £342.12 | 5 days | |
| JBO-516892 | M135 | 3 | £356.38 | 5 days | |
| JBO-510145 | M140 | 3 | £370.62 | 5 days | |
| JBO-512979 | M145 | 3 | £384.88 | 5 days | |
| JBO-520105 | M150 | 3 | £398.03 | 5 days | |
| JBO-513506 | M52 | 4 | £141.45 | 5 days | |
| JBO-516925 | M55 | 4 | £160.09 | 5 days | |
| JBO-510463 | M56 | 4 | £148.02 | 5 days | |
| JBO-520106 | M58 | 4 | £161.19 | 5 days | |
| JBO-510487 | M60 | 4 | £159.00 | 5 days | |
| JBO-510490 | M62 | 4 | £163.39 | 5 days | |
| JBO-510495 | M64 | 4 | £166.67 | 5 days | |
| JBO-514098 | M65 | 4 | £168.86 | 5 days | |
| JBO-520107 | M68 | 4 | £178.73 | 5 days | |
| JBO-518830 | M72 | 4 | £186.41 | 5 days | |
| JBO-520109 | M75 | 4 | £198.46 | 5 days | |
| JBO-520110 | M76 | 4 | £199.57 | 5 days | |
| JBO-510545 | M80 | 4 | £209.44 | 5 days | |
| JBO-510550 | M85 | 4 | £223.68 | 5 days | |
| JBO-520111 | M90 | 4 | £235.75 | 5 days | |
| JBO-520112 | M95 | 4 | £250.01 | 5 days | |
| JBO-517074 | M100 | 4 | £264.27 | 5 days | |
| JBO-516044 | M105 | 4 | £276.31 | 5 days | |
| JBO-513659 | M110 | 4 | £287.29 | 5 days | |
| JBO-520113 | M115 | 4 | £303.75 | 5 days | |
| JBO-517003 | M120 | 4 | £314.71 | 5 days | |
| JBO-520114 | M125 | 4 | £327.86 | 5 days | |
| JBO-520115 | M130 | 4 | £342.12 | 5 days | |
| JBO-520116 | M135 | 4 | £356.38 | 5 days | |
| JBO-520117 | M140 | 4 | £370.62 | 5 days | |
| JBO-520118 | M145 | 4 | £384.88 | 5 days | |
| JBO-520119 | M150 | 4 | £398.03 | 5 days | |
| JBO-520120 | M70 | 6 | £200.65 | 5 days | |
| JBO-510510 | M72 | 6 | £203.95 | 5 days | |
| JBO-520122 | M76 | 6 | £210.53 | 5 days | |
| JBO-510542 | M80 | 6 | £223.68 | 5 days | |
| JBO-520123 | M85 | 6 | £237.94 | 5 days | |
| JBO-516631 | M90 | 6 | £253.31 | 5 days | |
| JBO-520124 | M95 | 6 | £270.84 | 5 days | |
| JBO-520125 | M100 | 6 | £284.00 | 5 days | |
| JBO-510388 | M42 | 1.5 | £104.29 | 5 days | |
| JBO-510398 | M45 | 1.5 | £108.12 | 5 days | |
| JBO-510413 | M48 | 1.5 | £117.33 | 5 days | |
| JBO-510437 | M50 | 1.5 | £120.61 | 5 days | |
| JBO-510447 | M52 | 1.5 | £124.99 | 5 days | |
| JBO-516615 | M55 | 1.5 | £137.06 | 5 days | |
| JBO-518946 | M56 | 1.5 | £141.45 | 5 days | |
| JBO-518533 | M58 | 1.5 | £145.83 | 5 days | |
| JBO-514813 | M60 | 1.5 | £148.02 | 5 days | |
| JBO-510390 | M42 | 2 | £107.15 | 5 days | |
| JBO-516609 | M45 | 2 | £114.03 | 5 days | |
| JBO-510416 | M48 | 2 | £123.91 | 5 days | |
| JBO-524417 | M50 | 2 | £128.29 | 5 days | |
| JBO-510449 | M52 | 2 | £132.68 | 5 days | |
| JBO-513206 | M55 | 2 | £150.21 | 5 days | |
| JBO-524418 | M56 | 2 | £145.83 | 5 days | |
| JBO-524419 | M58 | 2 | £145.83 | 5 days | |
| JBO-513540 | M60 | 2 | £151.32 | 5 days | |
| JBO-524475 | M62 | 2 | £168.86 | 5 days | |
| JBO-523684 | M64 | 2 | £174.35 | 5 days | |
| JBO-526516 | M65 | 2 | £172.16 | 5 days | |
| JBO-526518 | M68 | 2 | £177.65 | 5 days | |
| JBO-513441 | M70 | 2 | £182.03 | 5 days | |
| JBO-524469 | M72 | 2 | £187.50 | 5 days | |
| JBO-524470 | M75 | 2 | £196.27 | 5 days | |
| JBO-517395 | M76 | 2 | £202.87 | 5 days | |
| JBO-517904 | M78 | 2 | £212.72 | 5 days | |
| JBO-519864 | M80 | 2 | £209.44 | 5 days | |
| JBO-524471 | M82 | 2 | £224.79 | 5 days | |
| JBO-517009 | M85 | 2 | £219.30 | 5 days | |
| JBO-510387 | M42 | 1.5 | £112.95 | 5 days | |
| JBO-519782 | M45 | 1.5 | £115.14 | 5 days | |
| JBO-513661 | M48 | 1.5 | £131.59 | 5 days | |
| JBO-518897 | M50 | 1.5 | £127.21 | 5 days | |
| JBO-514158 | M52 | 1.5 | £130.48 | 5 days | |
| JBO-517423 | M55 | 1.5 | £144.74 | 5 days | |
| JBO-523163 | M56 | 1.5 | £154.62 | 5 days | |
| JBO-515466 | M58 | 1.5 | £152.43 | 5 days | |
| JBO-514890 | M60 | 1.5 | £160.09 | 5 days | |
| JBO-517118 | M42 | 2 | £116.23 | 5 days | |
| JBO-515068 | M45 | 2 | £123.91 | 5 days | |
| JBO-516610 | M48 | 2 | £129.40 | 5 days | |
| JBO-524420 | M50 | 2 | £142.55 | 5 days | |
| JBO-515069 | M52 | 2 | £141.45 | 5 days | |
| JBO-517064 | M55 | 2 | £155.70 | 5 days | |
| JBO-524421 | M56 | 2 | £160.09 | 5 days | |
| JBO-524422 | M58 | 2 | £164.47 | 5 days | |
| JBO-524423 | M60 | 2 | £163.39 | 5 days | |
| JBO-520040 | M42 | 1 | £130.48 | 5 days | |
| JBO-520041 | M45 | 1 | £137.06 | 5 days | |
| JBO-514651 | M48 | 1 | £149.13 | 5 days | |
| JBO-516867 | M50 | 1 | £154.62 | 5 days | |
| JBO-517230 | M52 | 1 | £161.19 | 5 days | |
| JBO-517232 | M55 | 1 | £169.96 | 5 days | |
| JBO-517234 | M56 | 1 | £167.77 | 5 days | |
| JBO-517237 | M58 | 1 | £185.31 | 5 days | |
| JBO-517240 | M60 | 1 | £195.18 | 5 days | |
| JBO-513097 | M42 | 1.5 | £107.03 | 5 days | |
| JBO-510399 | M45 | 1.5 | £112.95 | 5 days | |
| JBO-510414 | M48 | 1.5 | £122.80 | 5 days | |
| JBO-510438 | M50 | 1.5 | £123.91 | 5 days | |
| JBO-513500 | M52 | 1.5 | £128.29 | 5 days | |
| JBO-510455 | M55 | 1.5 | £141.45 | 5 days | |
| JBO-510460 | M56 | 1.5 | £143.64 | 5 days | |
| JBO-513186 | M58 | 1.5 | £152.43 | 5 days | |
| JBO-513227 | M60 | 1.5 | £160.09 | 5 days | |
| JBO-517283 | M62 | 1.5 | £163.39 | 5 days | |
| JBO-517060 | M64 | 1.5 | £169.96 | 5 days | |
| JBO-516618 | M65 | 1.5 | £174.35 | 5 days | |
| JBO-517284 | M68 | 1.5 | £174.35 | 5 days | |
| JBO-517285 | M70 | 1.5 | £180.92 | 5 days |
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