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JBO Thread Ring Gauge (GO) - Metric Coarse - Left Hand - 6g - M5 x 0.8

JBO Thread Ring Gauge (GO) - Metric Coarse - Left Hand - 6g - M5 x 0.8

SKU:JBO-502147
The JBO Thread Ring Gauge (GO) - Metric Coarse - Left Hand - 6g - M5 x 0.8 is a precision Go gauge designed to quickly verify external metric coarse threads. Built for engineers, inspectors, mach... Read more ↓
Specifications at a glance
Thread FormMetric
SizeM5
Pitch0.8
Gauge TypeRing Gauge (GO)
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£58.90
Prices shown ex. VAT
5 days estimated lead time — subject to availability
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01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

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Description

The JBO Thread Ring Gauge (GO) - Metric Coarse - Left Hand - 6g - M5 x 0.8 is a precision Go gauge designed to quickly verify external metric coarse threads. Built for engineers, inspectors, machinists, and maintenance teams, it helps ensure that threaded parts will mate correctly with their mating components in everyday production and repair work.

Manufactured from hardened steel for lasting durability, this gauge provides reliable, repeatable measurements of external thread diameters with exacting dimensions. Its left-hand configuration is specifically suited for inspecting reverse-threaded components, making it a dependable tool in quality control and precision assembly environments.

  • Precise Go gauge for M5 x 0.8 coarse threads: Quickly confirm that external threads meet the standard, speeding pass/fail decisions and reducing rework in final assemblies.
  • Left-hand thread compatibility: Designed to accurately verify left-handed threads, preventing misreads and ensuring correct performance for reverse-threaded applications.
  • Hardened steel construction: Delivers extended wear resistance and stable accuracy through busy days in shop and QA environments.

This gauge supports efficient, consistent inspections, helping you streamline workflows, minimize downtime, and achieve reliable results across batches. It’s a trusted, straightforward tool for quality control, machining, and maintenance tasks that demand precise thread verification.

Part Numbers

Protool Part Number
JBO-502147
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.
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

Not sure if this is the right tool for your job? Ask us about speeds and feeds, material suitability, holders or alternatives — 30+ years of machining experience on the other end.

Prefer to talk? Call 01732 887334 — Mon–Thurs 8:30–17:30, Fri 8:30–16:30.

Full Range: JBO Thread Ring Gauges (GO) - Metric Coarse

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You are viewing JBO-502147. Click any other SKU to view its full details.

Product SKUSizePitchPriceStock Order
JBO-501426 M10.25£135.97 5 days
JBO-501430 M1.10.25£176.54 5 days
JBO-501431 M1.20.25£128.29 5 days
JBO-501434 M1.40.3£114.03 5 days
JBO-501441 M1.60.35£99.02 5 days
JBO-501446 M1.70.35£120.61 5 days
JBO-501448 M1.80.35£88.27 5 days
JBO-501700 M20.4£83.67 5 days
JBO-501714 M2.20.45£93.31 5 days
JBO-501720 M2.30.4£154.62 5 days
JBO-501724 M2.50.45£67.67 5 days
JBO-501739 M2.60.45£83.11 5 days
JBO-501903 M30.5£52.09 5 days
JBO-501919 M3.50.6£54.82 5 days
JBO-502047 M40.7£47.70 5 days
JBO-502069 M4.50.75£74.13 5 days
JBO-502138 M50.8£47.70 5 days
JBO-502214 M61£47.70 5 days
JBO-502271 M71£54.51 5 days
JBO-502301 M81.25£48.81 5 days
JBO-502347 M91.25£65.13 5 days
JBO-501452 M101.5£54.51 5 days
JBO-501492 M111.5£76.53 5 days
JBO-501512 M121.75£60.74 5 days
JBO-501572 M142£64.91 5 days
JBO-501623 M162£74.24 5 days
JBO-501663 M182.5£87.84 5 days
JBO-501748 M202.5£94.96 5 days
JBO-501782 M222.5£106.80 5 days
JBO-501815 M243£111.84 5 days
JBO-501868 M273£128.29 5 days
JBO-501929 M303.5£135.97 5 days
JBO-501975 M333.5£154.62 5 days
JBO-502011 M364£163.39 5 days
JBO-502039 M394£179.84 5 days
JBO-502093 M424.5£186.41 5 days
JBO-502108 M454.5£198.46 5 days
JBO-502125 M485£209.44 5 days
JBO-502176 M525£250.01 5 days
JBO-502199 M565.5£239.05 5 days
JBO-502244 M605.5£321.28 5 days
JBO-502257 M646£339.93 5 days
JBO-502267 M686£362.95 5 days
JBO-501443 M1.60.35£117.33 5 days
JBO-501704 M20.4£95.95 5 days
JBO-501715 M2.20.45£107.24 5 days
JBO-501728 M2.50.45£76.44 5 days
JBO-501906 M30.5£58.90 5 days
JBO-501921 M3.50.6£59.98 5 days
JBO-502051 M40.7£53.62 5 days
JBO-502143 M50.8£53.62 5 days
JBO-502218 M61£53.62 5 days
JBO-502272 M71£62.72 5 days
JBO-502305 M81.25£54.94 5 days
JBO-502956 M91.25£82.24 5 days
JBO-501456 M101.5£63.50 5 days
JBO-501494 M111.5£96.40 5 days
JBO-501517 M121.75£70.29 5 days
JBO-501574 M142£77.97 5 days
JBO-501626 M162£83.67 5 days
JBO-501664 M182.5£97.16 5 days
JBO-501751 M202.5£107.15 5 days
JBO-501783 M222.5£129.40 5 days
JBO-501817 M243£137.06 5 days
JBO-501869 M273£154.62 5 days
JBO-501931 M303.5£168.86 5 days
JBO-504575 M333.5£187.50 5 days
JBO-503038 M364£199.57 5 days
JBO-518837 M394£216.02 5 days
JBO-501444 M1.60.35£124.99 5 days
JBO-501450 M1.80.35£124.99 5 days
JBO-501705 M20.4£105.26 5 days
JBO-506050 M2.20.45£117.33 5 days
JBO-501908 M30.5£63.83 5 days
JBO-501923 M3.50.6£66.02 5 days
JBO-502052 M40.7£58.90 5 days
JBO-502145 M50.8£58.90 5 days
JBO-502220 M61£58.90 5 days
JBO-502273 M71£68.54 5 days
JBO-502306 M81.25£60.43 5 days
JBO-502349 M91.25£82.24 5 days
JBO-501457 M101.5£69.51 5 days
JBO-501495 M111.5£96.40 5 days
JBO-501518 M121.75£77.19 5 days
JBO-501575 M142£82.45 5 days
JBO-501627 M162£91.67 5 days
JBO-501665 M182.5£106.25 5 days
JBO-501752 M202.5£117.33 5 days
JBO-501784 M222.5£129.40 5 days
JBO-501818 M243£137.06 5 days
JBO-501870 M273£154.62 5 days
JBO-501932 M303.5£168.86 5 days
JBO-503924 M333.5£183.12 5 days
JBO-502012 M364£199.57 5 days
JBO-503893 M394£216.02 5 days
JBO-503932 M424.5£285.10 5 days
JBO-506059 M454.5£301.53 5 days
JBO-505775 M485£321.28 5 days
JBO-506060 M525£343.21 5 days
JBO-501427 M10.25£509.89 5 days
JBO-506034 M1.10.25£649.14 5 days
JBO-501432 M1.20.25£467.11 5 days
JBO-501435 M1.40.3£144.74 5 days
JBO-501442 M1.60.35£124.99 5 days
JBO-501449 M1.80.35£111.84 5 days
JBO-501702 M20.4£105.26 5 days
JBO-503906 M2.20.45£117.33 5 days
JBO-501729 M2.50.45£82.80 5 days
JBO-501905 M30.5£63.83 5 days
JBO-501920 M3.50.6£66.02 5 days
JBO-502049 M40.7£58.90 5 days
JBO-502141 M50.8£58.90 5 days
JBO-502217 M61£58.90 5 days
JBO-502915 M71£68.54 5 days
JBO-502304 M81.25£60.43 5 days
JBO-502348 M91.25£82.24 5 days
JBO-501455 M101.5£69.51 5 days
JBO-501493 M111.5£96.40 5 days
JBO-501515 M121.75£77.19 5 days
JBO-503905 M142£82.45 5 days
JBO-501625 M162£91.67 5 days
JBO-503907 M182.5£106.25 5 days
JBO-501750 M202.5£117.33 5 days
JBO-503879 M222.5£131.59 5 days
JBO-503588 M243£137.06 5 days
JBO-503908 M273£144.74 5 days
JBO-501930 M303.5£172.16 5 days
JBO-506038 M1.40.3£163.39 5 days
JBO-505880 M1.60.35£141.45 5 days
JBO-501707 M20.4£127.21 5 days
JBO-501730 M2.50.45£94.73 5 days
JBO-501910 M30.5£63.83 5 days
JBO-501924 M3.50.6£66.02 5 days
JBO-502053 M40.7£58.90 5 days
JBO-502147 ViewingM50.8£58.90 5 days
JBO-502222 M61£58.90 5 days
JBO-502274 M71£68.54 5 days
JBO-502308 M81.25£60.43 5 days
JBO-502800 M91.25£82.24 5 days
JBO-501459 M101.5£69.51 5 days
JBO-503911 M111.5£96.40 5 days
JBO-501520 M121.75£77.19 5 days
JBO-501576 M142£94.09 5 days
JBO-501628 M162£91.67 5 days
JBO-501666 M182.5£106.25 5 days
JBO-501753 M202.5£117.33 5 days
JBO-501786 M222.5£129.40 5 days
JBO-501819 M243£137.06 5 days
JBO-501871 M273£154.62 5 days
JBO-501933 M303.5£168.86 5 days
JBO-501976 M333.5£183.12 5 days
JBO-502013 M364£199.57 5 days
JBO-502987 M394£230.28 5 days
JBO-503533 M424.5£250.01 5 days
JBO-503327 M454.5£264.27 5 days
JBO-503534 M485£280.72 5 days
JBO-503535 M525£301.53 5 days
JBO-503914 M40.7£69.74 5 days
JBO-502954 M50.8£69.74 5 days
JBO-502224 M61£69.74 5 days
JBO-502309 M81.25£71.39 5 days
JBO-503093 M101.5£82.35 5 days
JBO-503759 M121.75£91.57 5 days
JBO-503643 M162£108.68 5 days
JBO-503915 M202.5£137.06 5 days

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