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JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M50 x 1
SKU:JBO-505862
Introducing the JBO Thread Ring Gauge (GO) — Metric Fine, Right Hand, 4h for M50 x 1 threads. This precision ring gauge is designed for engineers, machinists, quality inspectors, and workshop tec...
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Specifications at a glance
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| Thread Form | Metric |
| Size | M50 |
| Pitch | 1 |
| Gauge Type | Ring Gauge (GO) |
£281.80
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
Introducing the JBO Thread Ring Gauge (GO) — Metric Fine, Right Hand, 4h for M50 x 1 threads. This precision ring gauge is designed for engineers, machinists, quality inspectors, and workshop technicians who need fast, reliable external thread checks. Use it to verify that components conform to exact metric standards and ensure proper mating in assemblies, reducing the risk of undersized or oversized threads.
- Precise GO verification for metric fine threads: Quick pass/fail checks on M50 x 1 external threads help ensure parts meet exact tolerance, delivering trustworthy results in every inspection.
- Hardened steel construction for durability: Built to resist wear in busy shop environments, providing long service life and consistent accuracy over time.
- User-friendly design for fast inspections: Clear, easy-to-interpret indicators and straightforward alignment streamline quality checks, cutting inspection time and minimizing rework.
With the JBO Thread Ring Gauge GO, you gain dependable measurements that support efficient QA workflows, reduce downtime, and improve overall threading quality across production runs. Its durable build and precise dimensions help you deliver consistent results, every time.
Part Numbers
- Protool Part Number
- JBO-505862
- 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 Ring Gauges (GO) - Metric Fine
View full collection →You are viewing JBO-505862. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| JBO-502351 | M9 | 0.5 | £84.12 | 5 days | |
| JBO-502860 | M12 | 0.5 | £124.99 | 5 days | |
| JBO-501536 | M12 | 1 | £82.90 | 5 days | |
| JBO-502300 | M78 | 2 | £335.54 | 5 days | |
| JBO-501984 | M33 | 2 | £130.48 | 5 days | |
| JBO-502017 | M36 | 1.5 | £135.97 | 5 days | |
| JBO-502109 | M45 | 1 | £196.27 | 5 days | |
| JBO-501613 | M15 | 1 | £92.98 | 5 days | |
| JBO-501886 | M27 | 2 | £150.21 | 5 days | |
| JBO-502158 | M5 | 0.5 | £101.44 | 5 days | |
| JBO-503809 | M48 | 2 | £239.05 | 5 days | |
| JBO-501540 | M12 | 1.25 | £109.65 | 5 days | |
| JBO-502947 | M10 | 1.25 | £86.62 | 5 days | |
| JBO-501672 | M18 | 1 | £109.65 | 5 days | |
| JBO-501639 | M16 | 1 | £100.01 | 5 days | |
| JBO-501586 | M14 | 1 | £92.11 | 5 days | |
| JBO-501527 | M12 | 0.75 | £91.57 | 5 days | |
| JBO-505617 | M36 | 1 | £203.95 | 5 days | |
| JBO-501616 | M15 | 1 | £117.33 | 5 days | |
| JBO-501588 | M14 | 1 | £100.22 | 5 days | |
| JBO-501475 | M10 | 1 | £73.25 | 5 days | |
| JBO-502325 | M8 | 1 | £59.98 | 5 days | |
| JBO-502887 | M100 | 4 | £514.27 | 5 days | |
| JBO-503214 | M68 | 4 | £324.56 | 5 days | |
| JBO-502262 | M64 | 4 | £308.13 | 5 days | |
| JBO-520189 | M62 | 4 | £312.51 | 5 days | |
| JBO-502371 | M95 | 2 | £383.79 | 5 days | |
| JBO-502295 | M75 | 2 | £285.10 | 5 days | |
| JBO-502290 | M72 | 2 | £314.71 | 5 days | |
| JBO-502212 | M58 | 2 | £218.21 | 5 days | |
| JBO-502100 | M42 | 2 | £163.39 | 5 days | |
| JBO-501855 | M25 | 2 | £108.78 | 5 days | |
| JBO-501836 | M24 | 2 | £102.53 | 5 days | |
| JBO-502294 | M75 | 1.5 | £279.61 | 5 days | |
| JBO-502286 | M70 | 1.5 | £256.58 | 5 days | |
| JBO-502263 | M65 | 1.5 | £235.75 | 5 days | |
| JBO-502169 | M50 | 1.5 | £183.12 | 5 days | |
| JBO-502111 | M45 | 1.5 | £168.86 | 5 days | |
| JBO-501941 | M30 | 1.5 | £117.33 | 5 days | |
| JBO-501862 | M26 | 1.5 | £105.92 | 5 days | |
| JBO-501849 | M25 | 1.5 | £102.76 | 5 days | |
| JBO-501763 | M20 | 1.5 | £86.62 | 5 days | |
| JBO-501618 | M15 | 1.5 | £88.60 | 5 days | |
| JBO-501644 | M16 | 1.25 | £255.50 | 5 days | |
| JBO-501479 | M10 | 1.25 | £67.98 | 5 days | |
| JBO-501977 | M33 | 1 | £145.83 | 5 days | |
| JBO-501959 | M32 | 1 | £143.64 | 5 days | |
| JBO-501857 | M26 | 1 | £119.52 | 5 days | |
| JBO-501845 | M25 | 1 | £115.14 | 5 days | |
| JBO-501811 | M23 | 1 | £117.33 | 5 days | |
| JBO-501757 | M20 | 1 | £91.90 | 5 days | |
| JBO-501670 | M18 | 1 | £85.65 | 5 days | |
| JBO-501561 | M13 | 1 | £88.27 | 5 days | |
| JBO-502322 | M8 | 1 | £51.88 | 5 days | |
| JBO-501888 | M28 | 0.75 | £164.47 | 5 days | |
| JBO-502075 | M4.5 | 0.5 | £93.76 | 5 days | |
| JBO-503830 | M52 | 3 | £276.31 | 5 days | |
| JBO-503406 | M48 | 3 | £246.71 | 5 days | |
| JBO-506310 | M45 | 3 | £241.24 | 5 days | |
| JBO-504029 | M42 | 3 | £223.68 | 5 days | |
| JBO-505621 | M39 | 3 | £209.44 | 5 days | |
| JBO-502974 | M36 | 3 | £199.57 | 5 days | |
| JBO-506309 | M33 | 3 | £203.95 | 5 days | |
| JBO-506308 | M30 | 3 | £186.41 | 5 days | |
| JBO-505669 | M85 | 2 | £432.04 | 5 days | |
| JBO-543164 | M82 | 2 | £458.34 | 5 days | |
| JBO-505668 | M80 | 2 | £411.20 | 5 days | |
| JBO-547291 | M78 | 2 | £445.19 | 5 days | |
| JBO-504365 | M76 | 2 | £429.85 | 5 days | |
| JBO-505661 | M75 | 2 | £369.53 | 5 days | |
| JBO-503748 | M72 | 2 | £416.67 | 5 days | |
| JBO-505794 | M70 | 2 | £339.93 | 5 days | |
| JBO-505723 | M68 | 2 | £339.93 | 5 days | |
| JBO-503769 | M65 | 2 | £327.86 | 5 days | |
| JBO-505654 | M64 | 2 | £311.41 | 5 days | |
| JBO-506524 | M62 | 2 | £310.32 | 5 days | |
| JBO-502250 | M60 | 2 | £285.10 | 5 days | |
| JBO-505646 | M58 | 2 | £301.53 | 5 days | |
| JBO-502206 | M56 | 2 | £274.12 | 5 days | |
| JBO-505644 | M55 | 2 | £268.65 | 5 days | |
| JBO-502184 | M52 | 2 | £259.88 | 5 days | |
| JBO-505637 | M50 | 2 | £241.24 | 5 days | |
| JBO-505630 | M48 | 2 | £233.56 | 5 days | |
| JBO-502118 | M45 | 2 | £228.09 | 5 days | |
| JBO-504059 | M42 | 2 | £209.44 | 5 days | |
| JBO-505625 | M40 | 2 | £211.63 | 5 days | |
| JBO-505620 | M39 | 2 | £202.87 | 5 days | |
| JBO-505618 | M38 | 2 | £199.57 | 5 days | |
| JBO-502026 | M36 | 2 | £176.54 | 5 days | |
| JBO-503083 | M33 | 2 | £168.86 | 5 days | |
| JBO-503328 | M32 | 2 | £172.16 | 5 days | |
| JBO-501951 | M30 | 2 | £154.62 | 5 days | |
| JBO-506523 | M28 | 2 | £164.47 | 5 days | |
| JBO-506522 | M26 | 2 | £155.70 | 5 days | |
| JBO-506521 | M25 | 2 | £150.21 | 5 days | |
| JBO-501840 | M24 | 2 | £130.48 | 5 days | |
| JBO-504058 | M22 | 2 | £129.40 | 5 days | |
| JBO-501773 | M20 | 2 | £121.72 | 5 days | |
| JBO-505597 | M18 | 2 | £123.91 | 5 days | |
| JBO-503992 | M85 | 1.5 | £432.04 | 5 days | |
| JBO-506227 | M82 | 1.5 | £411.20 | 5 days | |
| JBO-506226 | M80 | 1.5 | £390.37 | 5 days | |
| JBO-505906 | M78 | 1.5 | £389.26 | 5 days | |
| JBO-503991 | M75 | 1.5 | £359.66 | 5 days | |
| JBO-503990 | M72 | 1.5 | £339.93 | 5 days | |
| JBO-506225 | M70 | 1.5 | £338.82 | 5 days | |
| JBO-506224 | M68 | 1.5 | £313.60 | 5 days | |
| JBO-503989 | M65 | 1.5 | £312.51 | 5 days | |
| JBO-503468 | M64 | 1.5 | £308.13 | 5 days | |
| JBO-506223 | M62 | 1.5 | £298.26 | 5 days | |
| JBO-503005 | M60 | 1.5 | £279.61 | 5 days | |
| JBO-503988 | M58 | 1.5 | £277.42 | 5 days | |
| JBO-502204 | M56 | 1.5 | £264.27 | 5 days | |
| JBO-503500 | M55 | 1.5 | £257.69 | 5 days | |
| JBO-503464 | M52 | 1.5 | £241.24 | 5 days | |
| JBO-502172 | M50 | 1.5 | £232.47 | 5 days | |
| JBO-502132 | M48 | 1.5 | £228.09 | 5 days | |
| JBO-502115 | M45 | 1.5 | £211.63 | 5 days | |
| JBO-502099 | M42 | 1.5 | £201.76 | 5 days | |
| JBO-502085 | M40 | 1.5 | £189.69 | 5 days | |
| JBO-502044 | M39 | 1.5 | £209.44 | 5 days | |
| JBO-502037 | M38 | 1.5 | £183.12 | 5 days | |
| JBO-502022 | M36 | 1.5 | £173.24 | 5 days | |
| JBO-502006 | M35 | 1.5 | £172.16 | 5 days | |
| JBO-501995 | M34 | 1.5 | £175.43 | 5 days | |
| JBO-501983 | M33 | 1.5 | £169.96 | 5 days | |
| JBO-501970 | M32 | 1.5 | £161.19 | 5 days | |
| JBO-501946 | M30 | 1.5 | £149.13 | 5 days | |
| JBO-501897 | M28 | 1.5 | £143.64 | 5 days | |
| JBO-501883 | M27 | 1.5 | £141.45 | 5 days | |
| JBO-501866 | M26 | 1.5 | £134.87 | 5 days | |
| JBO-501853 | M25 | 1.5 | £131.59 | 5 days | |
| JBO-501835 | M24 | 1.5 | £124.99 | 5 days | |
| JBO-501802 | M22 | 1.5 | £117.33 | 5 days | |
| JBO-501769 | M20 | 1.5 | £109.65 | 5 days | |
| JBO-501685 | M18 | 1.5 | £99.68 | 5 days | |
| JBO-503768 | M17 | 1.5 | £143.64 | 5 days | |
| JBO-505592 | M16 | 1.5 | £92.23 | 5 days | |
| JBO-503757 | M15 | 1.5 | £111.84 | 5 days | |
| JBO-501602 | M14 | 1.5 | £84.33 | 5 days | |
| JBO-501549 | M12 | 1.5 | £86.52 | 5 days | |
| JBO-503438 | M14 | 1.25 | £121.72 | 5 days | |
| JBO-501543 | M12 | 1.25 | £109.65 | 5 days | |
| JBO-501484 | M10 | 1.25 | £89.47 | 5 days | |
| JBO-506125 | M60 | 1 | £337.73 | 5 days | |
| JBO-506123 | M58 | 1 | £327.86 | 5 days | |
| JBO-506121 | M56 | 1 | £312.51 | 5 days | |
| JBO-506119 | M55 | 1 | £301.53 | 5 days | |
| JBO-503952 | M52 | 1 | £285.10 | 5 days | |
| JBO-505636 | M50 | 1 | £294.96 | 5 days | |
| JBO-506116 | M48 | 1 | £265.35 | 5 days | |
| JBO-503256 | M45 | 1 | £250.01 | 5 days | |
| JBO-502995 | M42 | 1 | £234.66 | 5 days | |
| JBO-503267 | M40 | 1 | £229.17 | 5 days | |
| JBO-502032 | M38 | 1 | £210.53 | 5 days | |
| JBO-503047 | M36 | 1 | £203.95 | 5 days | |
| JBO-502002 | M35 | 1 | £197.38 | 5 days | |
| JBO-502838 | M34 | 1 | £198.46 | 5 days | |
| JBO-502990 | M33 | 1 | £187.50 | 5 days | |
| JBO-501963 | M32 | 1 | £183.12 | 5 days | |
| JBO-501939 | M30 | 1 | £162.28 | 5 days | |
| JBO-501893 | M28 | 1 | £163.39 | 5 days | |
| JBO-501878 | M27 | 1 | £162.28 | 5 days | |
| JBO-501860 | M26 | 1 | £153.51 | 5 days | |
| JBO-503313 | M25 | 1 | £148.02 | 5 days | |
| JBO-501828 | M24 | 1 | £139.25 | 5 days | |
| JBO-506139 | M23 | 1 | £155.70 | 5 days | |
| JBO-501794 | M22 | 1 | £133.78 | 5 days | |
| JBO-506137 | M21 | 1 | £148.02 | 5 days | |
| JBO-501761 | M20 | 1 | £116.23 | 5 days | |
| JBO-501697 | M19 | 1 | £135.97 | 5 days | |
| JBO-501675 | M18 | 1 | £109.65 | 5 days | |
| JBO-501660 | M17 | 1 | £119.52 | 5 days | |
| JBO-501643 | M16 | 1 | £97.93 | 5 days | |
| JBO-501617 | M15 | 1 | £119.52 | 5 days | |
| JBO-501589 | M14 | 1 | £90.25 | 5 days | |
| JBO-501564 | M13 | 1 | £111.84 | 5 days | |
| JBO-501537 | M12 | 1 | £83.77 | 5 days | |
| JBO-502747 | M11 | 1 | £91.90 | 5 days | |
| JBO-501477 | M10 | 1 | £73.91 | 5 days | |
| JBO-502360 | M9 | 1 | £81.15 | 5 days | |
| JBO-502327 | M8 | 1 | £66.02 | 5 days | |
| JBO-505902 | M28 | 0.75 | £208.34 | 5 days | |
| JBO-505610 | M27 | 0.75 | £197.38 | 5 days | |
| JBO-505970 | M26 | 0.75 | £196.27 | 5 days | |
| JBO-501844 | M25 | 0.75 | £178.73 | 5 days | |
| JBO-503587 | M24 | 0.75 | £164.47 | 5 days | |
| JBO-503102 | M23 | 0.75 | £180.92 | 5 days | |
| JBO-506134 | M22 | 0.75 | £160.09 | 5 days | |
| JBO-503954 | M21 | 0.75 | £169.96 | 5 days | |
| JBO-502787 | M20 | 0.75 | £133.78 | 5 days | |
| JBO-501693 | M19 | 0.75 | £160.09 | 5 days | |
| JBO-503241 | M18 | 0.75 | £126.10 | 5 days | |
| JBO-506079 | M17 | 0.75 | £148.02 | 5 days | |
| JBO-501636 | M16 | 0.75 | £117.33 | 5 days | |
| JBO-503399 | M15 | 0.75 | £127.21 | 5 days | |
| JBO-501584 | M14 | 0.75 | £101.54 | 5 days | |
| JBO-506078 | M13 | 0.75 | £117.33 | 5 days | |
| JBO-501530 | M12 | 0.75 | £92.01 | 5 days | |
| JBO-501503 | M11 | 0.75 | £103.29 | 5 days | |
| JBO-501468 | M10 | 0.75 | £83.46 | 5 days | |
| JBO-502783 | M9 | 0.75 | £90.25 | 5 days | |
| JBO-502321 | M8 | 0.75 | £75.00 | 5 days | |
| JBO-502283 | M7 | 0.75 | £88.06 | 5 days | |
| JBO-502239 | M6 | 0.75 | £73.68 | 5 days | |
| JBO-503264 | M5 | 0.75 | £95.08 | 5 days | |
| JBO-503940 | M18 | 0.5 | £199.57 | 5 days | |
| JBO-506075 | M17 | 0.5 | £189.69 | 5 days | |
| JBO-503939 | M16 | 0.5 | £164.47 | 5 days | |
| JBO-503938 | M15 | 0.5 | £167.77 | 5 days | |
| JBO-506074 | M14 | 0.5 | £151.32 | 5 days | |
| JBO-506073 | M13 | 0.5 | £153.51 | 5 days | |
| JBO-503937 | M12 | 0.5 | £139.25 | 5 days | |
| JBO-506072 | M11 | 0.5 | £142.55 | 5 days | |
| JBO-501464 | M10 | 0.5 | £121.72 | 5 days | |
| JBO-503936 | M9 | 0.5 | £114.03 | 5 days | |
| JBO-502316 | M8 | 0.5 | £110.75 | 5 days | |
| JBO-503935 | M7 | 0.5 | £104.82 | 5 days | |
| JBO-502232 | M6 | 0.5 | £105.48 | 5 days | |
| JBO-503934 | M4.5 | 0.5 | £114.03 | 5 days | |
| JBO-502067 | M4 | 0.5 | £101.44 | 5 days | |
| JBO-503683 | M4 | 0.35 | £101.54 | 5 days | |
| JBO-503655 | M3.5 | 0.35 | £104.95 | 5 days | |
| JBO-501916 | M3 | 0.35 | £112.95 | 5 days | |
| JBO-506554 | M70 | 2 | £339.93 | 5 days | |
| JBO-506553 | M68 | 2 | £339.93 | 5 days | |
| JBO-506552 | M65 | 2 | £315.79 | 5 days | |
| JBO-502260 | M64 | 2 | £321.28 | 5 days | |
| JBO-506551 | M62 | 2 | £301.53 | 5 days | |
| JBO-505651 | M60 | 2 | £285.10 | 5 days | |
| JBO-506550 | M58 | 2 | £301.53 | 5 days | |
| JBO-502896 | M56 | 2 | £280.72 | 5 days | |
| JBO-502197 | M55 | 2 | £268.65 | 5 days | |
| JBO-502183 | M52 | 2 | £252.20 | 5 days | |
| JBO-506549 | M50 | 2 | £260.97 | 5 days | |
| JBO-505628 | M45 | 2 | £228.09 | 5 days | |
| JBO-502101 | M42 | 2 | £214.91 | 5 days | |
| JBO-506548 | M40 | 2 | £222.60 | 5 days | |
| JBO-504067 | M39 | 2 | £202.87 | 5 days | |
| JBO-506547 | M38 | 2 | £209.44 | 5 days | |
| JBO-504066 | M36 | 2 | £184.22 | 5 days | |
| JBO-501985 | M33 | 2 | £173.24 | 5 days | |
| JBO-506546 | M32 | 2 | £178.73 | 5 days | |
| JBO-501948 | M30 | 2 | £159.00 | 5 days | |
| JBO-506545 | M28 | 2 | £164.47 | 5 days | |
| JBO-503639 | M27 | 2 | £150.21 | 5 days | |
| JBO-506544 | M26 | 2 | £148.02 | 5 days | |
| JBO-506543 | M25 | 2 | £143.64 | 5 days | |
| JBO-501837 | M24 | 2 | £134.87 | 5 days | |
| JBO-501804 | M22 | 2 | £129.40 | 5 days |
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