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JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M28 x 1
SKU:JBO-503970
The JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M28 x 1 is a precision tool designed to verify external thread diameters. It provides quick, go/no-go checks for parts with M28 x ...
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Specifications at a glance
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| Thread Form | Metric |
| Size | M28 |
| Pitch | 1 |
| Gauge Type | Ring Gauge (GO) |
£167.77
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 - Right Hand - 4h - M28 x 1 is a precision tool designed to verify external thread diameters. It provides quick, go/no-go checks for parts with M28 x 1 threads, helping production and QA teams ensure components meet the exact metric fine standard.
Crafted from hardened steel with a textured outer edge for secure handling, this GO gauge delivers durable, long-lasting performance in busy workshops. Its simple design supports fast inspections and reliable identifications, even in tight spaces.
- Accurate GO gauge for M28 x 1 metric fine threads: Quick go/no-go checks to confirm external thread size matches specification, reducing guesswork and rework.
- Hardened steel construction for long life: Resistant to wear and deformation, delivering consistent measurements through many inspections.
- User-friendly, repeatable checks in tight spaces: Ring design and right-hand orientation enable fast, repeatable pass/fail decisions without special tools.
Using the JBO Thread Ring Gauge (GO) streamlines thread verification, speeds up QA workflows, and helps maintain tight quality control across batches. With durable construction and straightforward use, you can rely on consistent, accurate results over years of service.
Part Numbers
- Protool Part Number
- JBO-503970
- 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-503970. 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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