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JBO Thread Plug Gauge (GO) - Metric Fine - Right Hand - 6H - M78 x 1.5
SKU:JBO-511252
The JBO Thread Plug Gauge (GO) in Metric Fine is a precision inspection tool for internal threads in threaded holes. It’s designed for engineers, machinists, quality teams, and maintenance profes...
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Specifications at a glance
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| Thread Form | Metric |
| Size | M78 |
| Pitch | 1.5 |
| Gauge Type | Plug Gauge (GO) |
£174.35
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
Compatible certification
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Description
The JBO Thread Plug Gauge (GO) in Metric Fine is a precision inspection tool for internal threads in threaded holes. It’s designed for engineers, machinists, quality teams, and maintenance professionals who need fast, reliable confirmation that holes conform to the M78 x 1.5 fine-pitch standard with 6H tolerance.
Crafted from hardened steel, this gauge resists wear and maintains accuracy through heavy use in busy workshops. Its simple, intuitive design makes it easy to identify properly threaded holes during quality checks, supporting efficient inspection and consistent results.
- Precise metric fine thread verification: Quickly confirm interior threads match M78 x 1.5 with 6H tolerance, helping ensure parts fit reliably and inspections stay fast.
- Durable hardened steel construction: Resists wear and maintains accuracy in demanding environments, extending gauge life and reducing replacement costs.
- Right-hand GO orientation for fast checks: Optimized for common machining setups, enabling quick, unambiguous go/no-go checks with minimal handling.
Using the JBO Thread Plug Gauge (GO) improves inspection speed and consistency, helping you reduce rework and keep production moving smoothly. Its precise dimensions and rugged construction deliver dependable performance across daily use, giving you confidence in every measurement and a streamlined quality control workflow.
Part Numbers
- Protool Part Number
- JBO-511252
- 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 (GO) - Metric Fine
View full collection →You are viewing JBO-511252. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| JBO-511113 | M42 | 1 | £106.37 | 5 days | |
| JBO-511123 | M45 | 1 | £114.03 | 5 days | |
| JBO-511138 | M48 | 1 | £121.72 | 5 days | |
| JBO-511165 | M50 | 1 | £127.21 | 5 days | |
| JBO-511175 | M52 | 1 | £131.59 | 5 days | |
| JBO-513565 | M55 | 1 | £143.64 | 5 days | |
| JBO-511188 | M56 | 1 | £145.83 | 5 days | |
| JBO-511194 | M58 | 1 | £153.51 | 5 days | |
| JBO-511212 | M60 | 1 | £160.09 | 5 days | |
| JBO-513478 | M62 | 1 | £184.22 | 5 days | |
| JBO-513730 | M64 | 1 | £187.50 | 5 days | |
| JBO-514015 | M65 | 1 | £194.08 | 5 days | |
| JBO-511228 | M68 | 1 | £202.87 | 5 days | |
| JBO-511239 | M70 | 1 | £208.34 | 5 days | |
| JBO-520030 | M72 | 1 | £213.83 | 5 days | |
| JBO-520031 | M75 | 1 | £230.28 | 5 days | |
| JBO-511249 | M76 | 1 | £231.36 | 5 days | |
| JBO-520032 | M78 | 1 | £244.52 | 5 days | |
| JBO-511273 | M80 | 1 | £242.33 | 5 days | |
| JBO-511114 | M42 | 1.5 | £92.54 | 5 days | |
| JBO-511124 | M45 | 1.5 | £98.14 | 5 days | |
| JBO-511140 | M48 | 1.5 | £104.06 | 5 days | |
| JBO-511166 | M50 | 1.5 | £107.03 | 5 days | |
| JBO-511176 | M52 | 1.5 | £111.84 | 5 days | |
| JBO-511184 | M55 | 1.5 | £118.42 | 5 days | |
| JBO-511189 | M56 | 1.5 | £120.61 | 5 days | |
| JBO-511195 | M58 | 1.5 | £124.99 | 5 days | |
| JBO-511213 | M60 | 1.5 | £129.40 | 5 days | |
| JBO-511216 | M62 | 1.5 | £132.68 | 5 days | |
| JBO-511219 | M64 | 1.5 | £139.25 | 5 days | |
| JBO-511223 | M65 | 1.5 | £144.74 | 5 days | |
| JBO-511229 | M68 | 1.5 | £149.13 | 5 days | |
| JBO-511240 | M70 | 1.5 | £152.43 | 5 days | |
| JBO-511243 | M72 | 1.5 | £162.28 | 5 days | |
| JBO-511247 | M75 | 1.5 | £168.86 | 5 days | |
| JBO-511250 | M76 | 1.5 | £210.53 | 5 days | |
| JBO-511252 Viewing | M78 | 1.5 | £174.35 | 5 days | |
| JBO-511274 | M80 | 1.5 | £179.84 | 5 days | |
| JBO-511278 | M82 | 1.5 | £184.22 | 5 days | |
| JBO-511280 | M85 | 1.5 | £191.89 | 5 days | |
| JBO-516722 | M88 | 1.5 | £198.46 | 5 days | |
| JBO-511296 | M90 | 1.5 | £201.76 | 5 days | |
| JBO-513057 | M92 | 1.5 | £208.34 | 5 days | |
| JBO-511302 | M95 | 1.5 | £211.63 | 5 days | |
| JBO-520042 | M98 | 1.5 | £275.23 | 5 days | |
| JBO-510837 | M100 | 1.5 | £224.79 | 5 days | |
| JBO-510840 | M102 | 1.5 | £277.42 | 5 days | |
| JBO-516858 | M105 | 1.5 | £235.75 | 5 days | |
| JBO-520044 | M108 | 1.5 | £293.87 | 5 days | |
| JBO-510850 | M110 | 1.5 | £246.71 | 5 days | |
| JBO-510853 | M112 | 1.5 | £298.26 | 5 days | |
| JBO-520045 | M115 | 1.5 | £307.02 | 5 days | |
| JBO-520046 | M118 | 1.5 | £314.71 | 5 days | |
| JBO-520047 | M120 | 1.5 | £319.09 | 5 days | |
| JBO-516664 | M122 | 1.5 | £345.40 | 5 days | |
| JBO-520048 | M125 | 1.5 | £335.54 | 5 days | |
| JBO-510875 | M128 | 1.5 | £360.76 | 5 days | |
| JBO-517861 | M130 | 1.5 | £348.70 | 5 days | |
| JBO-518665 | M132 | 1.5 | £354.19 | 5 days | |
| JBO-520049 | M135 | 1.5 | £370.62 | 5 days | |
| JBO-520050 | M138 | 1.5 | £381.60 | 5 days | |
| JBO-520051 | M140 | 1.5 | £384.88 | 5 days | |
| JBO-518196 | M142 | 1.5 | £382.68 | 5 days | |
| JBO-520052 | M145 | 1.5 | £400.22 | 5 days | |
| JBO-520053 | M148 | 1.5 | £406.82 | 5 days | |
| JBO-518077 | M150 | 1.5 | £414.48 | 5 days | |
| JBO-511116 | M42 | 2 | £95.08 | 5 days | |
| JBO-511128 | M45 | 2 | £101.00 | 5 days | |
| JBO-511144 | M48 | 2 | £106.91 | 5 days | |
| JBO-511169 | M50 | 2 | £110.75 | 5 days | |
| JBO-511178 | M52 | 2 | £115.14 | 5 days | |
| JBO-511186 | M55 | 2 | £121.72 | 5 days | |
| JBO-511191 | M56 | 2 | £123.91 | 5 days | |
| JBO-511196 | M58 | 2 | £128.29 | 5 days | |
| JBO-511214 | M60 | 2 | £132.68 | 5 days | |
| JBO-511217 | M62 | 2 | £137.06 | 5 days | |
| JBO-511220 | M64 | 2 | £143.64 | 5 days | |
| JBO-511224 | M65 | 2 | £149.13 | 5 days | |
| JBO-511230 | M68 | 2 | £152.43 | 5 days | |
| JBO-511241 | M70 | 2 | £157.90 | In Stock | |
| JBO-511244 | M72 | 2 | £162.28 | 5 days | |
| JBO-511248 | M75 | 2 | £168.86 | 5 days | |
| JBO-511251 | M76 | 2 | £179.84 | 5 days | |
| JBO-511253 | M78 | 2 | £183.12 | 5 days | |
| JBO-511275 | M80 | 2 | £179.84 | 5 days | |
| JBO-511279 | M82 | 2 | £194.08 | 5 days | |
| JBO-511281 | M85 | 2 | £194.08 | 5 days | |
| JBO-511284 | M88 | 2 | £211.63 | 5 days | |
| JBO-511297 | M90 | 2 | £201.76 | 5 days | |
| JBO-511301 | M92 | 2 | £207.25 | 5 days | |
| JBO-511303 | M95 | 2 | £211.63 | 5 days | |
| JBO-511304 | M98 | 2 | £219.30 | 5 days | |
| JBO-510838 | M100 | 2 | £224.79 | 5 days | |
| JBO-526463 | M102 | 2 | £280.72 | 5 days | |
| JBO-510842 | M105 | 2 | £235.75 | 5 days | |
| JBO-520069 | M108 | 2 | £296.06 | 5 days | |
| JBO-510851 | M110 | 2 | £246.71 | 5 days | |
| JBO-516663 | M112 | 2 | £303.75 | 5 days | |
| JBO-510854 | M115 | 2 | £307.02 | 5 days | |
| JBO-518905 | M118 | 2 | £321.28 | 5 days | |
| JBO-510872 | M120 | 2 | £319.09 | 5 days | |
| JBO-510873 | M122 | 2 | £345.40 | 5 days | |
| JBO-515033 | M125 | 2 | £335.54 | 5 days | |
| JBO-514954 | M128 | 2 | £345.40 | 5 days | |
| JBO-514063 | M130 | 2 | £348.70 | 5 days | |
| JBO-510880 | M132 | 2 | £354.19 | 5 days | |
| JBO-510881 | M135 | 2 | £361.85 | 5 days | |
| JBO-520071 | M138 | 2 | £373.92 | 5 days | |
| JBO-510897 | M140 | 2 | £377.19 | 5 days | |
| JBO-516669 | M142 | 2 | £382.68 | 5 days | |
| JBO-518907 | M145 | 2 | £391.45 | 5 days | |
| JBO-516670 | M148 | 2 | £400.22 | 5 days | |
| JBO-510904 | M150 | 2 | £405.71 | 5 days | |
| JBO-511118 | M42 | 3 | £111.84 | 5 days | |
| JBO-511130 | M45 | 3 | £117.33 | 5 days | |
| JBO-511148 | M48 | 3 | £123.91 | 5 days | |
| JBO-513534 | M50 | 3 | £166.67 | 5 days | |
| JBO-511179 | M52 | 3 | £132.68 | 5 days | |
| JBO-516710 | M55 | 3 | £164.47 | 5 days | |
| JBO-511192 | M56 | 3 | £163.39 | 5 days | |
| JBO-511197 | M58 | 3 | £172.16 | 5 days | |
| JBO-513225 | M60 | 3 | £176.54 | 5 days | |
| JBO-513529 | M62 | 3 | £184.22 | 5 days | |
| JBO-513530 | M64 | 3 | £184.22 | 5 days | |
| JBO-511225 | M65 | 3 | £186.41 | 5 days | |
| JBO-511231 | M68 | 3 | £201.76 | 5 days | |
| JBO-520084 | M70 | 3 | £203.95 | 5 days | |
| JBO-513125 | M72 | 3 | £209.44 | 5 days | |
| JBO-516235 | M75 | 3 | £220.40 | 5 days | |
| JBO-520085 | M76 | 3 | £222.60 | 5 days | |
| JBO-516720 | M80 | 3 | £232.47 | 5 days | |
| JBO-511282 | M85 | 3 | £246.71 | 5 days | |
| JBO-511298 | M90 | 3 | £264.27 | 5 days | |
| JBO-516856 | M95 | 3 | £278.53 | 5 days | |
| JBO-510839 | M100 | 3 | £289.49 | 5 days | |
| JBO-517703 | M105 | 3 | £307.02 | 5 days | |
| JBO-510852 | M110 | 3 | £319.09 | 5 days | |
| JBO-517089 | M115 | 3 | £336.63 | 5 days | |
| JBO-516880 | M120 | 3 | £349.78 | 5 days | |
| JBO-510874 | M125 | 3 | £362.95 | 5 days | |
| JBO-513756 | M130 | 3 | £379.41 | 5 days | |
| JBO-516891 | M135 | 3 | £395.84 | 5 days | |
| JBO-510898 | M140 | 3 | £409.01 | 5 days | |
| JBO-512978 | M145 | 3 | £427.63 | 5 days | |
| JBO-520086 | M150 | 3 | £443.00 | 5 days | |
| JBO-513507 | M52 | 4 | £155.70 | 5 days | |
| JBO-516924 | M55 | 4 | £177.65 | 5 days | |
| JBO-511193 | M56 | 4 | £163.39 | 5 days | |
| JBO-520087 | M58 | 4 | £178.73 | 5 days | |
| JBO-511215 | M60 | 4 | £176.54 | 5 days | |
| JBO-513532 | M62 | 4 | £180.92 | 5 days | |
| JBO-511222 | M64 | 4 | £184.22 | 5 days | |
| JBO-520088 | M65 | 4 | £186.41 | 5 days | |
| JBO-518916 | M68 | 4 | £198.46 | 5 days | |
| JBO-514296 | M70 | 4 | £203.95 | 5 days | |
| JBO-511245 | M72 | 4 | £209.44 | 5 days | |
| JBO-520090 | M75 | 4 | £220.40 | 5 days | |
| JBO-517001 | M76 | 4 | £222.60 | 5 days | |
| JBO-511277 | M80 | 4 | £232.47 | 5 days | |
| JBO-511283 | M85 | 4 | £246.71 | 5 days | |
| JBO-516724 | M90 | 4 | £264.27 | 5 days | |
| JBO-517005 | M95 | 4 | £278.53 | 5 days | |
| JBO-514222 | M100 | 4 | £289.49 | 5 days | |
| JBO-514223 | M105 | 4 | £307.02 | 5 days | |
| JBO-513658 | M110 | 4 | £320.18 | 5 days | |
| JBO-520091 | M115 | 4 | £336.63 | 5 days | |
| JBO-517002 | M120 | 4 | £349.78 | 5 days | |
| JBO-516665 | M125 | 4 | £362.95 | 5 days | |
| JBO-520092 | M130 | 4 | £379.41 | 5 days | |
| JBO-520093 | M135 | 4 | £395.84 | 5 days | |
| JBO-520094 | M140 | 4 | £409.01 | 5 days | |
| JBO-520095 | M145 | 4 | £427.63 | 5 days | |
| JBO-517006 | M150 | 4 | £443.00 | 5 days | |
| JBO-520096 | M70 | 6 | £223.68 | 5 days | |
| JBO-511242 | M72 | 6 | £228.09 | 5 days | |
| JBO-518716 | M76 | 6 | £233.56 | 5 days | |
| JBO-514186 | M80 | 6 | £246.71 | 5 days | |
| JBO-515444 | M85 | 6 | £266.46 | 5 days | |
| JBO-511299 | M90 | 6 | £289.49 | 5 days | |
| JBO-520100 | M95 | 6 | £300.45 | 5 days | |
| JBO-520101 | M100 | 6 | £315.79 | 5 days | |
| JBO-511115 | M42 | 1.5 | £112.95 | 5 days | |
| JBO-511126 | M45 | 1.5 | £117.33 | 5 days | |
| JBO-511142 | M48 | 1.5 | £127.21 | 5 days | |
| JBO-511167 | M50 | 1.5 | £130.48 | 5 days | |
| JBO-511177 | M52 | 1.5 | £134.87 | 5 days | |
| JBO-518531 | M55 | 1.5 | £150.21 | 5 days | |
| JBO-518947 | M56 | 1.5 | £152.43 | 5 days | |
| JBO-518532 | M58 | 1.5 | £157.90 | 5 days | |
| JBO-514812 | M60 | 1.5 | £160.09 | 5 days | |
| JBO-511117 | M42 | 2 | £116.23 | 5 days | |
| JBO-516705 | M45 | 2 | £123.91 | 5 days | |
| JBO-511146 | M48 | 2 | £133.78 | 5 days | |
| JBO-526427 | M50 | 2 | £139.25 | 5 days | |
| JBO-514336 | M52 | 2 | £144.74 | 5 days | |
| JBO-513205 | M55 | 2 | £161.19 | 5 days | |
| JBO-526428 | M56 | 2 | £157.90 | 5 days | |
| JBO-526429 | M58 | 2 | £159.00 | 5 days | |
| JBO-513539 | M60 | 2 | £164.47 | 5 days | |
| JBO-526523 | M62 | 2 | £182.03 | 5 days | |
| JBO-523683 | M64 | 2 | £187.50 | 5 days | |
| JBO-526515 | M65 | 2 | £185.31 | 5 days | |
| JBO-526517 | M68 | 2 | £191.89 | 5 days | |
| JBO-516911 | M70 | 2 | £198.46 | 5 days | |
| JBO-518205 | M72 | 2 | £203.95 | 5 days | |
| JBO-526519 | M75 | 2 | £211.63 | 5 days | |
| JBO-518362 | M76 | 2 | £221.49 | 5 days | |
| JBO-517903 | M78 | 2 | £231.36 | 5 days | |
| JBO-511276 | M80 | 2 | £226.98 | 5 days | |
| JBO-526520 | M82 | 2 | £243.43 | 5 days | |
| JBO-513955 | M85 | 2 | £235.75 | 5 days | |
| JBO-518813 | M42 | 1.5 | £121.72 | 5 days | |
| JBO-511125 | M45 | 1.5 | £126.10 | 5 days | |
| JBO-511141 | M48 | 1.5 | £144.74 | 5 days | |
| JBO-523377 | M50 | 1.5 | £137.06 | 5 days | |
| JBO-514157 | M52 | 1.5 | £143.64 | 5 days | |
| JBO-526426 | M55 | 1.5 | £157.90 | 5 days | |
| JBO-523162 | M56 | 1.5 | £167.77 | 5 days | |
| JBO-515462 | M58 | 1.5 | £166.67 | 5 days | |
| JBO-514064 | M60 | 1.5 | £172.16 | 5 days | |
| JBO-515066 | M42 | 2 | £126.10 | 5 days | |
| JBO-515067 | M45 | 2 | £132.68 | 5 days | |
| JBO-511145 | M48 | 2 | £142.55 | 5 days | |
| JBO-526430 | M50 | 2 | £153.51 | 5 days | |
| JBO-514105 | M52 | 2 | £152.43 | 5 days | |
| JBO-517063 | M55 | 2 | £169.96 | 5 days | |
| JBO-526431 | M56 | 2 | £172.16 | 5 days | |
| JBO-526432 | M58 | 2 | £178.73 | 5 days | |
| JBO-526433 | M60 | 2 | £177.65 | 5 days | |
| JBO-513222 | M42 | 1 | £141.45 | 5 days | |
| JBO-513673 | M45 | 1 | £151.32 | 5 days | |
| JBO-514650 | M48 | 1 | £162.28 | 5 days | |
| JBO-516866 | M50 | 1 | £168.86 | 5 days | |
| JBO-517229 | M52 | 1 | £176.54 | 5 days | |
| JBO-517231 | M55 | 1 | £185.31 | 5 days | |
| JBO-517233 | M56 | 1 | £182.03 | 5 days | |
| JBO-517235 | M58 | 1 | £202.87 | 5 days | |
| JBO-517239 | M60 | 1 | £210.53 | 5 days | |
| JBO-513096 | M42 | 1.5 | £116.23 | 5 days | |
| JBO-511127 | M45 | 1.5 | £123.91 | 5 days | |
| JBO-511143 | M48 | 1.5 | £132.68 | 5 days | |
| JBO-511168 | M50 | 1.5 | £133.78 | 5 days | |
| JBO-513626 | M52 | 1.5 | £141.45 | 5 days | |
| JBO-511185 | M55 | 1.5 | £152.43 | 5 days | |
| JBO-511190 | M56 | 1.5 | £155.70 | 5 days | |
| JBO-513185 | M58 | 1.5 | £166.67 | 5 days | |
| JBO-513228 | M60 | 1.5 | £172.16 | 5 days | |
| JBO-517276 | M62 | 1.5 | £177.65 | 5 days | |
| JBO-517059 | M64 | 1.5 | £183.12 | 5 days | |
| JBO-514678 | M65 | 1.5 | £188.61 | 5 days |
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