JBO | Authorised UK Distributor
JBO Thread Plug Gauges

Metric Coarse Go/No-Go

Specifically designed for metric coarse threads, these plug gauges are essential for applications that require precise and standardized threading. The go/no-go design allows for efficient inspection of threaded holes, ensuring proper fitment and functionality of components. Crafted with durability in mind, these gauges are made from hardened steel to withstand rigorous use and provide long-lasting performance.

Starting from
£50.97
inc. VAT
In this range
125
products
In stock now
1
ready to dispatch
Browse all 125 products

Click any SKU to view full product details, specifications and datasheets.

Product SKU Size Pitch Price Stock Order
JBO-511618 M1 0.25 £160.23 5 days
JBO-511621 M1.1 0.25 £182.67 5 days
JBO-511623 M1.2 0.25 £133.53 5 days
JBO-511629 M1.4 0.3 £107.90 5 days
JBO-511636 M1.6 0.35 £99.68 5 days
JBO-511642 M1.7 0.35 £113.23 5 days
JBO-511644 M1.8 0.35 £91.67 5 days
JBO-511859 M2 0.4 £80.97 5 days
JBO-511873 M2.2 0.45 £87.37 5 days
JBO-511879 M2.3 0.4 £90.49 5 days
JBO-511883 M2.5 0.45 £69.99 5 days
JBO-511894 M2.6 0.45 £87.71 5 days
JBO-512036 M3 0.5 £57.38 5 days
JBO-512059 M3.5 0.6 £61.54 5 days
JBO-512177 M4 0.7 £53.96 5 days
JBO-512202 M4.5 0.75 £76.17 5 days
JBO-512218 M5 0.8 £52.67 5 days
JBO-512252 M6 1 £50.97 5 days
JBO-512286 M7 1 £57.59 5 days
JBO-512305 M8 1.25 £52.67 5 days
JBO-512345 M9 1.25 £71.69 5 days
JBO-511646 M10 1.5 £56.51 5 days
JBO-511679 M11 1.5 £76.39 5 days
JBO-511689 M12 1.75 £62.07 5 days
JBO-511730 M14 2 £67.62 5 days
JBO-511776 M16 2 £72.22 5 days
JBO-511820 M18 2.5 £78.53 5 days
JBO-511902 M20 2.5 £84.18 5 days
JBO-511934 M22 2.5 £89.00 5 days
JBO-511965 M24 3 £100.32 5 days
JBO-512005 M27 3 £112.17 5 days
JBO-512075 M30 3.5 £123.93 5 days
JBO-512108 M33 3.5 £138.88 5 days
JBO-512144 M36 4 £149.56 5 days
JBO-512166 M39 4 £164.51 5 days
JBO-511639 M1.6 0.35 £119.64 5 days
JBO-511645 M1.8 0.35 £112.17 5 days
JBO-511862 M2 0.4 £90.49 5 days
JBO-511876 M2.2 0.45 £115.37 5 days
JBO-511886 M2.5 0.45 £78.19 5 days
JBO-512043 M3 0.5 £66.34 5 days
JBO-512064 M3.5 0.6 £67.85 5 days
JBO-512182 M4 0.7 £62.39 5 days
JBO-512203 M4.5 0.75 £95.62 5 days
JBO-512225 M5 0.8 £61.01 5 days
JBO-512259 M6 1 £61.95 5 days
JBO-512288 M7 1 £63.35 5 days
JBO-512311 M8 1.25 £61.01 5 days
JBO-512347 M9 1.25 £87.60 5 days
JBO-511650 M10 1.5 £65.17 5 days
JBO-511680 M11 1.5 £96.26 5 days
JBO-511693 M12 1.75 £69.55 5 days
JBO-511733 M14 2 £75.00 5 days
JBO-511780 M16 2 £80.33 5 days
JBO-511822 M18 2.5 £99.68 5 days
JBO-511904 M20 2.5 £101.81 5 days
JBO-511935 M22 2.5 £110.04 5 days
JBO-511966 M24 3 £120.71 5 days
JBO-512006 M27 3 £138.88 5 days
JBO-512076 M30 3.5 £149.56 5 days
JBO-512109 M33 3.5 £168.78 5 days
JBO-512145 M36 4 £178.40 5 days
JBO-512167 M39 4 £201.91 5 days
JBO-517091 M1 0.25 £201.91 5 days
JBO-511624 M1.2 0.25 £168.78 5 days
JBO-511630 M1.4 0.3 £137.80 5 days
JBO-511637 M1.6 0.35 £124.99 5 days
JBO-514527 M1.8 0.35 £115.37 5 days
JBO-511860 M2 0.4 £103.63 5 days
JBO-511874 M2.2 0.45 £115.37 5 days
JBO-511884 M2.5 0.45 £89.53 5 days
JBO-512039 M3 0.5 £75.54 5 days
JBO-512060 M3.5 0.6 £79.27 5 days
JBO-512179 M4 0.7 £71.14 5 days
JBO-512221 M5 0.8 £69.44 5 days
JBO-512256 M6 1 £67.42 5 days
JBO-512287 M7 1 £72.33 5 days
JBO-512307 M8 1.25 £69.44 5 days
JBO-511648 M10 1.5 £74.67 5 days
JBO-511691 M12 1.75 £81.19 5 days
JBO-511732 M14 2 £90.15 5 days
JBO-511778 M16 2 £96.69 5 days
JBO-511821 M18 2.5 £104.48 5 days
JBO-516781 M20 2.5 £112.17 5 days
JBO-517151 M1 0.25 £206.18 5 days
JBO-517152 M1.1 0.25 £243.56 5 days
JBO-514484 M1.2 0.25 £168.78 5 days
JBO-514485 M1.4 0.3 £144.21 5 days
JBO-513913 M1.6 0.35 £130.33 5 days
JBO-517011 M1.8 0.35 £126.06 5 days
JBO-511867 M2 0.4 £105.65 5 days
JBO-514486 M2.2 0.45 £120.71 5 days
JBO-511888 M2.5 0.45 £94.22 5 days
JBO-512049 M3 0.5 £77.13 5 days
JBO-512066 M3.5 0.6 £81.40 5 days
JBO-512186 M4 0.7 £71.14 5 days
JBO-512204 M4.5 0.75 £100.62 5 days
JBO-512231 M5 0.8 £69.44 5 days
JBO-512268 M6 1 £67.42 5 days
JBO-512290 M7 1 £72.33 5 days
JBO-512318 M8 1.25 £69.44 5 days
JBO-512959 M9 1.25 £94.76 5 days
JBO-511654 M10 1.5 £74.67 5 days
JBO-514583 M11 1.5 £98.28 5 days
JBO-511697 M12 1.75 £79.81 5 days
JBO-511735 M14 2 £85.88 5 days
JBO-511784 M16 2 £91.87 5 days
JBO-511823 M18 2.5 £99.57 5 days
JBO-511908 M20 2.5 £106.82 5 days
JBO-511938 M22 2.5 £113.23 5 days
JBO-511969 M24 3 £127.12 5 days
JBO-512007 M27 3 £142.07 5 days
JBO-512077 M30 3.5 £157.04 5 days
JBO-514298 M33 3.5 £176.26 5 days
JBO-512146 M36 4 £189.08 5 days
JBO-514299 M39 4 £227.54 5 days
JBO-512232 M5 0.8 £79.27 In Stock
JBO-512269 M6 1 £76.49 5 days
JBO-512319 M8 1.25 £79.27 5 days
JBO-511655 M10 1.5 £84.82 5 days
JBO-511698 M12 1.75 £92.29 5 days
JBO-514056 M16 2 £110.04 5 days
JBO-513902 M20 2.5 £139.94 5 days
JBO-516995 M24 3 £165.58 5 days
JBO-513995 M30 3.5 £204.04 5 days
Service & Support

Built around the way engineers work

Fast dispatch, clear delivery options and a friendly technical team on the end of the phone.

Dispatch Hours

Orders dispatched Monday to Friday between 8am and 5pm (4:30pm on Fridays).

  • Mon – Thurs8:00 – 17:00
  • Friday8:00 – 16:30
  • Sat & SunClosed

UK Delivery

FREE next day delivery on mainland UK orders over £50 ex VAT
ServiceCost
Royal Mail Tracked 24£5.90
DPD Standard Next Day£8.00
Royal Mail Special Delivery by 1pm£12.50
DPD Saturday Delivery£25.00

Saturday delivery available on orders placed before 4pm Friday. T&Cs and geographical exclusions apply (Republic of Ireland, Northern Ireland, Scottish Highlands, Channel Islands & others) — see our delivery page for full details.

Need Technical Help?

Our specialist team can advise on tooling choice, specifications and compatibility.

01732 887334 info@protool-ltd.co.uk
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30