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JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 4h - M8 x 1
SKU:JBO-501005
The JBO Thread Ring Gauge (NoGo) is a precision tool designed for inspecting external threads on fasteners and machined parts. It helps engineers, machinists, quality inspectors, and workshop sta...
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Specification
| Thread Form | Metric |
| Size | M8 |
| Pitch | 1 |
| Gauge Type | Ring Gauge (NoGo) |
| Thread Direction | Right Hand |
| Tolerance | 4h |
£66.02
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
The JBO Thread Ring Gauge (NoGo) is a precision tool designed for inspecting external threads on fasteners and machined parts. It helps engineers, machinists, quality inspectors, and workshop staff quickly verify that threads meet the required size and tolerance.
Specifically built for metric fine threads in right-hand configurations, this NoGo gauge is made from hardened steel for exceptional durability in demanding environments. It checks M8 x 1 threads with a 4h NoGo/Go approach, helping identify non-conforming parts and ensuring consistent fits in assemblies.
- Precision NoGo validation for metric fine threads: Enables fast determination if an external thread exceeds the NoGo limit for M8 x 1, 4h on right-hand threads, reducing inspection time and avoiding misfits.
- Rugged hardened steel construction: Delivers long-lasting wear resistance in busy workshops, maintaining accuracy across many cycles.
- Ergonomic grip and clear orientation: Knurled outer edge provides secure handling, while clear markings help you align and read the gauge quickly, minimizing setup errors.
Using the JBO NoGo Thread Ring Gauge for metric fine threads makes external-thread inspection faster, more consistent, and auditable. It helps confirm that M8 x 1 right-hand threads meet 4h tolerances, quickly flagging parts that do not. The hardened steel body stands up to daily shop use, delivering dependable readings over time and helping your quality control process stay on track with less downtime and fewer surprises.
| Thread Form | Metric |
| Size | M8 |
| Pitch | 1 |
| Gauge Type | Ring Gauge (NoGo) |
| Thread Direction | Right Hand |
| Tolerance | 4h |
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.
★★★★★
Nice experience staff are very helpful and interested...
Staff are very helpful and interested in providing a good service making us the customer feel valued.
★★★★★
first place we look
honest about stock and prices are competitive.
★★★★★
Polite and helpful
Staff are very helpful and polite.Goods that were in stock were dispatched same day and back orders were quick in coming through .
★★★★★
Buying experience
Phone requests are handled quickly and without any fuss. The website is easy to use and straightforward to order from. It’s especially helpful that it shows real‑time availability, so we don’t need to call to confirm whether parts will arrive.
Full Range: JBO Thread Ring Gauges (NoGo) - Metric Fine
View full collection →You are viewing JBO-501005. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| JBO-503693 | M1 | 0.2 | £479.18 | 5 days | |
| JBO-503705 | M1.2 | 0.2 | £467.11 | 5 days | |
| JBO-500143 | M1.4 | 0.2 | £456.15 | 5 days | |
| JBO-500150 | M1.6 | 0.2 | £439.70 | 5 days | |
| JBO-503213 | M1.8 | 0.2 | £418.87 | 5 days | |
| JBO-500413 | M2 | 0.2 | £412.29 | 5 days | |
| JBO-500436 | M2.5 | 0.2 | £403.52 | 5 days | |
| JBO-500416 | M2 | 0.25 | £312.51 | 5 days | |
| JBO-500423 | M2.2 | 0.25 | £288.38 | 5 days | |
| JBO-500437 | M2.5 | 0.25 | £303.75 | 5 days | |
| JBO-503545 | M3 | 0.25 | £297.15 | 5 days | |
| JBO-504324 | M3.5 | 0.25 | £297.15 | 5 days | |
| JBO-503710 | M4 | 0.25 | £285.10 | 5 days | |
| JBO-503841 | M5 | 0.25 | £281.80 | 5 days | |
| JBO-503492 | M6 | 0.25 | £281.80 | 5 days | |
| JBO-500438 | M2.5 | 0.3 | £109.11 | 5 days | |
| JBO-500607 | M3 | 0.3 | £86.74 | 5 days | |
| JBO-500617 | M3.5 | 0.3 | £85.09 | 5 days | |
| JBO-500742 | M4 | 0.3 | £78.30 | 5 days | |
| JBO-500757 | M4.5 | 0.3 | £120.61 | 5 days | |
| JBO-500834 | M5 | 0.3 | £124.99 | 5 days | |
| JBO-500907 | M6 | 0.3 | £124.99 | 5 days | |
| JBO-500952 | M7 | 0.3 | £156.81 | 5 days | |
| JBO-500992 | M8 | 0.3 | £156.81 | 5 days | |
| JBO-501026 | M9 | 0.3 | £161.19 | 5 days | |
| JBO-500169 | M10 | 0.3 | £161.19 | 5 days | |
| JBO-500620 | M3.5 | 0.5 | £114.03 | 5 days | |
| JBO-500745 | M4 | 0.5 | £71.28 | 5 days | |
| JBO-500758 | M4.5 | 0.5 | £93.76 | 5 days | |
| JBO-500836 | M5 | 0.5 | £71.28 | 5 days | |
| JBO-500849 | M5.5 | 0.5 | £203.95 | 5 days | |
| JBO-500910 | M6 | 0.5 | £72.05 | 5 days | |
| JBO-500922 | M6.5 | 0.5 | £203.95 | 5 days | |
| JBO-500953 | M7 | 0.5 | £75.33 | 5 days | |
| JBO-502740 | M7.5 | 0.5 | £200.65 | 5 days | |
| JBO-500993 | M8 | 0.5 | £77.31 | 5 days | |
| JBO-501011 | M8.5 | 0.5 | £200.65 | 5 days | |
| JBO-501027 | M9 | 0.5 | £84.12 | 5 days | |
| JBO-500170 | M10 | 0.5 | £86.62 | 5 days | |
| JBO-500204 | M11 | 0.5 | £105.05 | 5 days | |
| JBO-500231 | M12 | 0.5 | £99.13 | 5 days | |
| JBO-500262 | M13 | 0.5 | £127.21 | 5 days | |
| JBO-500284 | M14 | 0.5 | £120.61 | 5 days | |
| JBO-500313 | M15 | 0.5 | £129.40 | 5 days | |
| JBO-500336 | M16 | 0.5 | £132.68 | 5 days | |
| JBO-500361 | M17 | 0.5 | £151.32 | 5 days | |
| JBO-500374 | M18 | 0.5 | £150.21 | 5 days | |
| JBO-500397 | M19 | 0.5 | £172.16 | 5 days | |
| JBO-500455 | M20 | 0.5 | £162.28 | 5 days | |
| JBO-502755 | M21 | 0.5 | £281.80 | 5 days | |
| JBO-500482 | M22 | 0.5 | £292.77 | 5 days | |
| JBO-500502 | M23 | 0.5 | £292.77 | 5 days | |
| JBO-500515 | M24 | 0.5 | £292.77 | 5 days | |
| JBO-500534 | M25 | 0.5 | £304.83 | 5 days | |
| JBO-502743 | M26 | 0.5 | £328.97 | 5 days | |
| JBO-500563 | M27 | 0.5 | £328.97 | 5 days | |
| JBO-500580 | M28 | 0.5 | £328.97 | 5 days | |
| JBO-502976 | M29 | 0.5 | £328.97 | 5 days | |
| JBO-500628 | M30 | 0.5 | £328.97 | 5 days | |
| JBO-503260 | M31 | 0.5 | £361.85 | 5 days | |
| JBO-502943 | M32 | 0.5 | £361.85 | 5 days | |
| JBO-502980 | M33 | 0.5 | £368.43 | 5 days | |
| JBO-500676 | M34 | 0.5 | £368.43 | 5 days | |
| JBO-500685 | M35 | 0.5 | £376.11 | 5 days | |
| JBO-503263 | M36 | 0.5 | £381.60 | 5 days | |
| JBO-503630 | M37 | 0.5 | £381.60 | 5 days | |
| JBO-502815 | M38 | 0.5 | £441.89 | 5 days | |
| JBO-500724 | M39 | 0.5 | £441.89 | 5 days | |
| JBO-500760 | M40 | 0.5 | £441.89 | 5 days | |
| JBO-500843 | M5 | 0.75 | £73.47 | 5 days | |
| JBO-500916 | M6 | 0.75 | £56.26 | 5 days | |
| JBO-500957 | M7 | 0.75 | £67.98 | 5 days | |
| JBO-500998 | M8 | 0.75 | £58.45 | 5 days | |
| JBO-501031 | M9 | 0.75 | £73.80 | 5 days | |
| JBO-500174 | M10 | 0.75 | £63.71 | 5 days | |
| JBO-500208 | M11 | 0.75 | £81.81 | 5 days | |
| JBO-500234 | M12 | 0.75 | £74.79 | 5 days | |
| JBO-500263 | M13 | 0.75 | £93.55 | 5 days | |
| JBO-500287 | M14 | 0.75 | £80.70 | 5 days | |
| JBO-500316 | M15 | 0.75 | £105.83 | 5 days | |
| JBO-500339 | M16 | 0.75 | £93.10 | 5 days | |
| JBO-500362 | M17 | 0.75 | £117.33 | 5 days | |
| JBO-500375 | M18 | 0.75 | £100.22 | 5 days | |
| JBO-500398 | M19 | 0.75 | £120.61 | 5 days | |
| JBO-500456 | M20 | 0.75 | £106.80 | 5 days | |
| JBO-500474 | M21 | 0.75 | £133.78 | 5 days | |
| JBO-500484 | M22 | 0.75 | £126.10 | 5 days | |
| JBO-500503 | M23 | 0.75 | £144.74 | 5 days | |
| JBO-500516 | M24 | 0.75 | £133.78 | 5 days | |
| JBO-500535 | M25 | 0.75 | £134.87 | 5 days | |
| JBO-500547 | M26 | 0.75 | £148.02 | 5 days | |
| JBO-500564 | M27 | 0.75 | £161.19 | 5 days | |
| JBO-500582 | M28 | 0.75 | £164.47 | 5 days | |
| JBO-500592 | M29 | 0.75 | £202.87 | 5 days | |
| JBO-500630 | M30 | 0.75 | £164.47 | 5 days | |
| JBO-500648 | M31 | 0.75 | £310.32 | 5 days | |
| JBO-500651 | M32 | 0.75 | £313.60 | 5 days | |
| JBO-500666 | M33 | 0.75 | £321.28 | 5 days | |
| JBO-500677 | M34 | 0.75 | £330.05 | 5 days | |
| JBO-500686 | M35 | 0.75 | £336.63 | 5 days | |
| JBO-500699 | M36 | 0.75 | £344.31 | 5 days | |
| JBO-500710 | M37 | 0.75 | £350.89 | 5 days | |
| JBO-500714 | M38 | 0.75 | £360.76 | 5 days | |
| JBO-500725 | M39 | 0.75 | £403.52 | 5 days | |
| JBO-500761 | M40 | 0.75 | £376.11 | 5 days | |
| JBO-501003 | M8 | 1 | £51.88 | 5 days | |
| JBO-501034 | M9 | 1 | £66.35 | 5 days | |
| JBO-500179 | M10 | 1 | £58.12 | 5 days | |
| JBO-500211 | M11 | 1 | £75.00 | 5 days | |
| JBO-500239 | M12 | 1 | £65.90 | 5 days | |
| JBO-500266 | M13 | 1 | £88.27 | 5 days | |
| JBO-500292 | M14 | 1 | £70.95 | 5 days | |
| JBO-500318 | M15 | 1 | £92.98 | 5 days | |
| JBO-500343 | M16 | 1 | £77.64 | 5 days | |
| JBO-500365 | M17 | 1 | £90.04 | 5 days | |
| JBO-500377 | M18 | 1 | £85.65 | 5 days | |
| JBO-500399 | M19 | 1 | £104.18 | 5 days | |
| JBO-500458 | M20 | 1 | £91.90 | 5 days | |
| JBO-500476 | M21 | 1 | £111.84 | 5 days | |
| JBO-500486 | M22 | 1 | £101.54 | 5 days | |
| JBO-500505 | M23 | 1 | £117.33 | 5 days | |
| JBO-500518 | M24 | 1 | £108.45 | 5 days | |
| JBO-500537 | M25 | 1 | £115.14 | 5 days | |
| JBO-500548 | M26 | 1 | £119.52 | 5 days | |
| JBO-500565 | M27 | 1 | £121.72 | 5 days | |
| JBO-500583 | M28 | 1 | £127.21 | 5 days | |
| JBO-500593 | M29 | 1 | £203.95 | 5 days | |
| JBO-500631 | M30 | 1 | £128.29 | 5 days | |
| JBO-500652 | M32 | 1 | £143.64 | 5 days | |
| JBO-500667 | M33 | 1 | £145.83 | 5 days | |
| JBO-500678 | M34 | 1 | £149.13 | 5 days | |
| JBO-500687 | M35 | 1 | £153.51 | 5 days | |
| JBO-500700 | M36 | 1 | £159.00 | 5 days | |
| JBO-500715 | M38 | 1 | £164.47 | 5 days | |
| JBO-500726 | M39 | 1 | £202.87 | 5 days | |
| JBO-500762 | M40 | 1 | £177.65 | 5 days | |
| JBO-500778 | M42 | 1 | £182.03 | 5 days | |
| JBO-500793 | M45 | 1 | £196.27 | 5 days | |
| JBO-500808 | M48 | 1 | £207.25 | 5 days | |
| JBO-500852 | M50 | 1 | £212.72 | 5 days | |
| JBO-500862 | M52 | 1 | £223.68 | 5 days | |
| JBO-502793 | M55 | 1 | £232.47 | 5 days | |
| JBO-500878 | M56 | 1 | £236.85 | 5 days | |
| JBO-500890 | M58 | 1 | £244.52 | 5 days | |
| JBO-500924 | M60 | 1 | £254.39 | 5 days | |
| JBO-500932 | M62 | 1 | £300.45 | 5 days | |
| JBO-504314 | M64 | 1 | £308.13 | 5 days | |
| JBO-500941 | M65 | 1 | £312.51 | 5 days | |
| JBO-520154 | M68 | 1 | £324.56 | 5 days | |
| JBO-520155 | M70 | 1 | £333.35 | 5 days | |
| JBO-520156 | M72 | 1 | £347.59 | 5 days | |
| JBO-500972 | M75 | 1 | £372.81 | 5 days | |
| JBO-520157 | M76 | 1 | £376.11 | 5 days | |
| JBO-520158 | M78 | 1 | £399.14 | 5 days | |
| JBO-520159 | M80 | 1 | £393.65 | 5 days | |
| JBO-500187 | M10 | 1.25 | £67.98 | 5 days | |
| JBO-500246 | M12 | 1.25 | £86.74 | 5 days | |
| JBO-500297 | M14 | 1.25 | £96.28 | 5 days | |
| JBO-500350 | M16 | 1.25 | £255.50 | 5 days | |
| JBO-500384 | M18 | 1.25 | £274.12 | 5 days | |
| JBO-500463 | M20 | 1.25 | £284.00 | 5 days | |
| JBO-505741 | M22 | 1.25 | £303.75 | 5 days | |
| JBO-500523 | M24 | 1.25 | £333.35 | 5 days | |
| JBO-500250 | M12 | 1.5 | £62.27 | 5 days | |
| JBO-500271 | M13 | 1.5 | £142.55 | 5 days | |
| JBO-500301 | M14 | 1.5 | £66.45 | 5 days | |
| JBO-500323 | M15 | 1.5 | £88.60 | 5 days | |
| JBO-500351 | M16 | 1.5 | £72.36 | 5 days | |
| JBO-500369 | M17 | 1.5 | £109.22 | 5 days | |
| JBO-500385 | M18 | 1.5 | £77.97 | 5 days | |
| JBO-500403 | M19 | 1.5 | £156.81 | 5 days | |
| JBO-500464 | M20 | 1.5 | £86.62 | 5 days | |
| JBO-500478 | M21 | 1.5 | £212.72 | 5 days | |
| JBO-500491 | M22 | 1.5 | £92.32 | 5 days | |
| JBO-500524 | M24 | 1.5 | £98.14 | 5 days | |
| JBO-500541 | M25 | 1.5 | £102.76 | 5 days | |
| JBO-500553 | M26 | 1.5 | £105.92 | 5 days | |
| JBO-500569 | M27 | 1.5 | £109.65 | 5 days | |
| JBO-500587 | M28 | 1.5 | £111.84 | 5 days | |
| JBO-500636 | M30 | 1.5 | £117.33 | 5 days | |
| JBO-500656 | M32 | 1.5 | £124.99 | 5 days | |
| JBO-500668 | M33 | 1.5 | £128.29 | 5 days | |
| JBO-500680 | M34 | 1.5 | £141.45 | 5 days | |
| JBO-500688 | M35 | 1.5 | £132.68 | 5 days | |
| JBO-500702 | M36 | 1.5 | £135.97 | 5 days | |
| JBO-500716 | M38 | 1.5 | £143.64 | 5 days | |
| JBO-500727 | M39 | 1.5 | £159.00 | 5 days | |
| JBO-500763 | M40 | 1.5 | £151.32 | 5 days | |
| JBO-500779 | M42 | 1.5 | £161.19 | 5 days | |
| JBO-500794 | M45 | 1.5 | £168.86 | 5 days | |
| JBO-500810 | M48 | 1.5 | £176.54 | 5 days | |
| JBO-500853 | M50 | 1.5 | £183.12 | 5 days | |
| JBO-500863 | M52 | 1.5 | £194.08 | 5 days | |
| JBO-500874 | M55 | 1.5 | £200.65 | 5 days | |
| JBO-500879 | M56 | 1.5 | £203.95 | 5 days | |
| JBO-500891 | M58 | 1.5 | £209.44 | 5 days | |
| JBO-500925 | M60 | 1.5 | £216.02 | 5 days | |
| JBO-500933 | M62 | 1.5 | £224.79 | 5 days | |
| JBO-500936 | M64 | 1.5 | £232.47 | 5 days | |
| JBO-500942 | M65 | 1.5 | £235.75 | 5 days | |
| JBO-500945 | M68 | 1.5 | £244.52 | 5 days | |
| JBO-500964 | M70 | 1.5 | £256.58 | 5 days | |
| JBO-500967 | M72 | 1.5 | £265.35 | 5 days | |
| JBO-500973 | M75 | 1.5 | £279.61 | 5 days | |
| JBO-500976 | M76 | 1.5 | £304.83 | 5 days | |
| JBO-500978 | M78 | 1.5 | £300.45 | 5 days | |
| JBO-501013 | M80 | 1.5 | £304.83 | 5 days | |
| JBO-501018 | M82 | 1.5 | £316.90 | 5 days | |
| JBO-501019 | M85 | 1.5 | £328.97 | 5 days | |
| JBO-501022 | M88 | 1.5 | £349.78 | 5 days | |
| JBO-503431 | M90 | 1.5 | £350.89 | 5 days | |
| JBO-501041 | M92 | 1.5 | £361.85 | 5 days | |
| JBO-501043 | M95 | 1.5 | £375.00 | 5 days | |
| JBO-520170 | M98 | 1.5 | £434.23 | 5 days | |
| JBO-500194 | M100 | 1.5 | £398.03 | 5 days | |
| JBO-500197 | M102 | 1.5 | £449.58 | 5 days | |
| JBO-500199 | M105 | 1.5 | £418.87 | 5 days | |
| JBO-520171 | M108 | 1.5 | £483.56 | 5 days | |
| JBO-503404 | M110 | 1.5 | £444.09 | 5 days | |
| JBO-500217 | M112 | 1.5 | £539.49 | 5 days | |
| JBO-520172 | M115 | 1.5 | £547.16 | 5 days | |
| JBO-520173 | M118 | 1.5 | £595.41 | 5 days | |
| JBO-520174 | M120 | 1.5 | £581.17 | 5 days | |
| JBO-500261 | M122 | 1.5 | £595.41 | 5 days | |
| JBO-504425 | M125 | 1.5 | £618.43 | 5 days | |
| JBO-504426 | M128 | 1.5 | £671.07 | 5 days | |
| JBO-500273 | M130 | 1.5 | £652.42 | 5 days | |
| JBO-520175 | M132 | 1.5 | £700.67 | 5 days | |
| JBO-505452 | M135 | 1.5 | £701.78 | 5 days | |
| JBO-520176 | M138 | 1.5 | £723.70 | 5 days | |
| JBO-520177 | M140 | 1.5 | £740.15 | 5 days | |
| JBO-520178 | M142 | 1.5 | £750.02 | 5 days | |
| JBO-520179 | M145 | 1.5 | £762.09 | 5 days | |
| JBO-520180 | M148 | 1.5 | £781.82 | 5 days | |
| JBO-520181 | M150 | 1.5 | £781.82 | 5 days | |
| JBO-500394 | M18 | 2 | £97.93 | 5 days | |
| JBO-500471 | M20 | 2 | £92.32 | 5 days | |
| JBO-500499 | M22 | 2 | £98.24 | 5 days | |
| JBO-500529 | M24 | 2 | £102.53 | 5 days | |
| JBO-500546 | M25 | 2 | £108.78 | 5 days | |
| JBO-500558 | M26 | 2 | £114.03 | 5 days | |
| JBO-500575 | M27 | 2 | £112.95 | 5 days | |
| JBO-500591 | M28 | 2 | £120.61 | 5 days | |
| JBO-500641 | M30 | 2 | £122.80 | 5 days | |
| JBO-500662 | M32 | 2 | £129.40 | 5 days | |
| JBO-500671 | M33 | 2 | £130.48 | 5 days | |
| JBO-500684 | M34 | 2 | £171.05 | 5 days | |
| JBO-500694 | M35 | 2 | £173.24 | 5 days | |
| JBO-500705 | M36 | 2 | £139.25 | 5 days | |
| JBO-500722 | M38 | 2 | £150.21 | 5 days |
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