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JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M16 x 1
SKU:JBO-501643
The JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M16 x 1 is a precision tool designed to verify external thread diameters with quick, reliable go checks. It’s ideal for machine shop...
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Specifications at a glance
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| Thread Form | Metric |
| Size | M16 |
| Pitch | 1 |
| Gauge Type | Ring Gauge (GO) |
£97.93
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 Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M16 x 1 is a precision tool designed to verify external thread diameters with quick, reliable go checks. It’s ideal for machine shops, aerospace and automotive suppliers, maintenance teams, and quality-control professionals who depend on accurate thread verification to keep assemblies running smoothly.
Crafted from hardened steel for lasting durability, this gauge resists wear in demanding environments and preserves tight tolerances over many inspections. Its simple, intuitive design makes it easy to identify properly conformed components at a glance, helping you speed up QA workflows and reduce rework.
- Precise GO gauge for metric fine threads: Quickly verify external thread diameter and left-hand M16 x 1 threads with go checks, ensuring components meet required standards without guesswork.
- Durable hardened steel construction: Resistant to wear and corrosion, delivering long service life in busy workshops and maintaining accuracy across thousands of uses.
- User-friendly left-hand thread verification: Clear, easy-to-read geometry and orientation support fast identification of conforming parts, boosting inspection speed and consistency.
With the JBO Thread Ring Gauge GO, you gain consistent, reliable measurements that streamline your quality control process. Quick go checks reduce inspection time, minimize rework, and help you certify parts to spec on every batch. Built to endure the rigors of daily use, this gauge supports efficient workflows, better supplier confidence, and repeatable results across jobs and teams.
Part Numbers
- Protool Part Number
- JBO-501643
- 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-501643. 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-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-502300 | M78 | 2 | £335.54 | 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-502169 | M50 | 1.5 | £183.12 | 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 Viewing | 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 | |
| JBO-504065 | M20 | 2 | £128.29 | 5 days | |
| JBO-504064 | M18 | 2 | £129.40 | 5 days |
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