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JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M145 x 2
SKU:JBO-505589
The JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M145 x 2 is a precision inspection tool designed to verify external thread diameters to metric fine specifications. Built for engi...
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Specifications at a glance
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| Thread Form | Metric |
| Size | M145 |
| Pitch | 2 |
| Gauge Type | Ring Gauge (GO) |
£774.14
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
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Description
The JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M145 x 2 is a precision inspection tool designed to verify external thread diameters to metric fine specifications. Built for engineers, machinists, quality control teams, and workshop technicians, it helps confirm that threaded components meet exact standards with reliable accuracy.
Crafted from hardened steel, this GO gauge delivers durable, wear-resistant performance in demanding environments. Its meticulous design and precise dimensions make it a straightforward, repeatable check that reduces guessing and rework during QC inspections.
- Precise metric fine-thread verification (right-hand M145 x 2): Confirms external thread diameter to metric fine standards, providing a clear pass criterion for fast, repeatable quality checks.
- Durable hardened steel construction: Built to withstand frequent use in busy workshops, delivering long service life and reliable performance.
- User-friendly, repeatable inspections: Simple handling and clear alignment help you quickly identify conforming components, reducing inspection time and human error.
The JBO Thread Ring Gauge helps you streamline quality control and manufacturing workflows by turning threaded inspection into a quick, confident step. With its precise dimensions and rugged construction, you can trust it to deliver consistent results across batches, minimize rework, and keep production moving smoothly.
Part Numbers
- Protool Part Number
- JBO-505589
- 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-505589. 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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