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Orders dispatched Monday to Friday between 8am and 5pm (4:30pm on Fridays).
- Mon – Thurs8:00 – 17:00
- Friday8:00 – 16:30
- Sat & SunClosed
JBO
|
Authorised UK Distributor
JBO Thread Ring Gauges (GO)
Unified
This ring gauge plays a crucial role in ensuring accurate and reliable measurements of external thread diameters in various industries. With its meticulous design and precise dimensions, it facilitates efficient inspection of threaded components, verifying their compliance with required standards and specifications. Crafted from high-quality materials like hardened steel, the JBO Ring Gauge (GO) - Unified offers exceptional durability and resistance to wear, ensuring long-lasting performance in demanding work environments. Its user-friendly design allows for easy identification of properly conforming threaded components, aiding in quality control processes and precision engineering.
Click any SKU to view full product details, specifications and datasheets.
| Product SKU | Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| JBO-502377 | No. 1 | 64 | £114.03 | 5 days |
|
| JBO-502382 | No. 2 | 56 | £86.19 | 5 days |
|
| JBO-502386 | No. 3 | 48 | £103.52 | 5 days |
|
| JBO-502388 | No. 4 | 40 | £75.45 | 5 days |
|
| JBO-502392 | No. 5 | 40 | £69.08 | 5 days |
|
| JBO-502393 | No. 6 | 32 | £58.90 | 5 days |
|
| JBO-502396 | No. 8 | 32 | £55.39 | 5 days |
|
| JBO-502379 | No. 10 | 24 | £54.28 | 5 days |
|
| JBO-505676 | No. 12 | 24 | £63.28 | 5 days |
|
| JBO-502406 | 1/4 | 20 | £51.88 | 5 days |
|
| JBO-502416 | 5/16 | 18 | £55.15 | 5 days |
|
| JBO-502413 | 3/8 | 16 | £60.08 | 5 days |
|
| JBO-502421 | 7/16 | 14 | £65.48 | 5 days |
|
| JBO-502404 | 1/2 | 13 | £71.94 | 5 days |
|
| JBO-502425 | 9/16 | 12 | £99.25 | 5 days |
|
| JBO-502419 | 5/8 | 11 | £84.43 | 5 days |
|
| JBO-502411 | 3/4 | 10 | £104.51 | 5 days |
|
| JBO-502423 | 7/8 | 9 | £127.21 | 5 days |
|
| JBO-502398 | 1 | 8 | £137.06 | 5 days |
|
| JBO-502401 | 1 1/8 | 7 | £183.12 | 5 days |
|
| JBO-502400 | 1 1/4 | 7 | £198.46 | 5 days |
|
| JBO-502403 | 1 3/8 | 6 | £213.83 | 5 days |
|
| JBO-502399 | 1 1/2 | 6 | £233.56 | 5 days |
|
| JBO-502402 | 1 3/4 | 5 | £292.77 | 5 days |
|
| JBO-502409 | 2 | 4.5 | £335.54 | 5 days |
|
| JBO-502963 | 2 1/4 | 4.5 | £382.68 | 5 days |
|
| JBO-502410 | 2 1/2 | 4 | £427.63 | 5 days |
|
| JBO-507588 | 2 3/4 | 4 | £476.99 | 5 days |
|
| JBO-502378 | No. 1 | 64 | £167.77 | 5 days |
|
| JBO-502385 | No. 2 | 56 | £128.29 | 5 days |
|
| JBO-502387 | No. 3 | 48 | £135.97 | 5 days |
|
| JBO-502391 | No. 4 | 40 | £105.48 | 5 days |
|
| JBO-502873 | No. 5 | 40 | £96.83 | 5 days |
|
| JBO-502394 | No. 6 | 32 | £82.35 | 5 days |
|
| JBO-502397 | No. 8 | 32 | £77.41 | 5 days |
|
| JBO-502380 | No. 10 | 24 | £77.64 | 5 days |
|
| JBO-502381 | No. 12 | 24 | £82.14 | 5 days |
|
| JBO-502407 | 1/4 | 20 | £76.22 | 5 days |
|
| JBO-502417 | 5/16 | 18 | £81.03 | 5 days |
|
| JBO-502414 | 3/8 | 16 | £88.06 | 5 days |
|
| JBO-502422 | 7/16 | 14 | £98.14 | 5 days |
|
| JBO-502405 | 1/2 | 13 | £107.90 | 5 days |
|
| JBO-503165 | 9/16 | 12 | £120.61 | 5 days |
|
| JBO-502420 | 5/8 | 11 | £128.29 | 5 days |
|
| JBO-502797 | 3/4 | 10 | £156.81 | In Stock |
|
| JBO-502424 | 7/8 | 9 | £189.69 | 5 days |
|
| JBO-503166 | 1 | 8 | £209.44 | 5 days |
|
| JBO-506400 | No. 1 | 64 | £163.39 | 5 days |
|
| JBO-506401 | No. 2 | 56 | £129.40 | 5 days |
|
| JBO-506402 | No. 3 | 48 | £148.02 | 5 days |
|
| JBO-504041 | No. 4 | 40 | £112.95 | 5 days |
|
| JBO-506403 | No. 5 | 40 | £103.52 | 5 days |
|
| JBO-502395 | No. 6 | 32 | £88.15 | 5 days |
|
| JBO-506404 | No. 8 | 32 | £83.11 | 5 days |
|
| JBO-503427 | No. 10 | 24 | £81.36 | 5 days |
|
| JBO-505677 | No. 12 | 24 | £87.84 | 5 days |
|
| JBO-502408 | 1/4 | 20 | £77.76 | 5 days |
|
| JBO-502418 | 5/16 | 18 | £82.80 | 5 days |
|
| JBO-502415 | 3/8 | 16 | £90.25 | 5 days |
|
| JBO-506405 | 7/16 | 14 | £98.14 | 5 days |
|
| JBO-506406 | 1/2 | 13 | £107.90 | 5 days |
|
| JBO-506407 | 9/16 | 12 | £118.42 | 5 days |
|
| JBO-504042 | 5/8 | 11 | £130.48 | 5 days |
|
| JBO-502412 | 3/4 | 10 | £156.81 | 5 days |
|
| JBO-506408 | 7/8 | 9 | £189.69 | 5 days |
|
| JBO-504043 | 1 | 8 | £209.44 | 5 days |
|
| JBO-506409 | 1 1/8 | 7 | £245.62 | 5 days |
|
| JBO-505756 | 1 1/4 | 7 | £268.65 | 5 days |
|
| JBO-506410 | 1 3/8 | 6 | £299.34 | 5 days |
|
| JBO-506411 | 1 1/2 | 6 | £317.99 | 5 days |
|
| JBO-502426 | No. 1 | 72 | £126.10 | 5 days |
|
| JBO-502436 | No. 2 | 64 | £105.26 | 5 days |
|
| JBO-502438 | No. 3 | 56 | £104.95 | 5 days |
|
| JBO-502440 | No. 4 | 48 | £92.98 | 5 days |
|
| JBO-502442 | No. 5 | 44 | £74.55 | 5 days |
|
| JBO-502444 | No. 6 | 40 | £71.72 | 5 days |
|
| JBO-502446 | No. 8 | 36 | £66.35 | 5 days |
|
| JBO-502430 | No. 10 | 32 | £52.75 | 5 days |
|
| JBO-502433 | No. 12 | 28 | £63.28 | 5 days |
|
| JBO-502458 | 1/4 | 28 | £51.97 | 5 days |
|
| JBO-502469 | 5/16 | 24 | £55.15 | 5 days |
|
| JBO-502466 | 3/8 | 24 | £60.08 | 5 days |
|
| JBO-502475 | 7/16 | 20 | £64.82 | 5 days |
|
| JBO-502455 | 1/2 | 20 | £71.94 | 5 days |
|
| JBO-502481 | 9/16 | 18 | £77.41 | 5 days |
|
| JBO-502472 | 5/8 | 18 | £85.65 | 5 days |
|
| JBO-502461 | 3/4 | 16 | £99.68 | 5 days |
|
| JBO-502478 | 7/8 | 14 | £117.33 | 5 days |
|
| JBO-502448 | 1 | 12 | £131.59 | 5 days |
|
| JBO-502453 | 1 1/8 | 12 | £148.02 | 5 days |
|
| JBO-502452 | 1 1/4 | 12 | £161.19 | 5 days |
|
| JBO-502454 | 1 3/8 | 12 | £175.43 | 5 days |
|
| JBO-502451 | 1 1/2 | 12 | £186.41 | 5 days |
|
| JBO-502427 | No. 0 | 80 | £176.54 | 5 days |
|
| JBO-502429 | No. 1 | 72 | £148.02 | 5 days |
|
| JBO-502437 | No. 2 | 64 | £137.06 | 5 days |
|
| JBO-502439 | No. 3 | 56 | £135.97 | 5 days |
|
| JBO-502441 | No. 4 | 48 | £121.72 | 5 days |
|
| JBO-502443 | No. 5 | 44 | £96.83 | 5 days |
|
| JBO-502445 | No. 6 | 40 | £93.10 | 5 days |
|
| JBO-502447 | No. 8 | 36 | £85.65 | 5 days |
|
| JBO-502431 | No. 10 | 32 | £73.58 | 5 days |
|
| JBO-502435 | No. 12 | 28 | £82.14 | 5 days |
|
| JBO-502459 | 1/4 | 28 | £72.81 | 5 days |
|
| JBO-502470 | 5/16 | 24 | £77.10 | 5 days |
|
| JBO-502467 | 3/8 | 24 | £84.22 | 5 days |
|
| JBO-502476 | 7/16 | 20 | £90.46 | 5 days |
|
| JBO-502456 | 1/2 | 20 | £100.55 | 5 days |
|
| JBO-502482 | 9/16 | 18 | £108.45 | 5 days |
|
| JBO-502473 | 5/8 | 18 | £119.52 | 5 days |
|
| JBO-502463 | 3/4 | 16 | £139.25 | 5 days |
|
| JBO-502479 | 7/8 | 14 | £164.47 | 5 days |
|
| JBO-502449 | 1 | 12 | £183.12 | 5 days |
|
| JBO-502757 | 1 1/8 | 12 | £207.25 | 5 days |
|
| JBO-503207 | 1 1/4 | 12 | £225.87 | 5 days |
|
| JBO-503209 | 1 3/8 | 12 | £245.62 | 5 days |
|
| JBO-502768 | 1 1/2 | 12 | £264.27 | 5 days |
|
| JBO-506438 | No. 0 | 80 | £176.54 | 5 days |
|
| JBO-506441 | No. 1 | 72 | £148.02 | 5 days |
|
| JBO-506445 | No. 2 | 64 | £137.06 | 5 days |
|
| JBO-506448 | No. 3 | 56 | £135.97 | 5 days |
|
| JBO-506449 | No. 4 | 48 | £121.72 | 5 days |
|
| JBO-506452 | No. 5 | 44 | £96.83 | 5 days |
|
| JBO-506453 | No. 6 | 40 | £93.10 | 5 days |
|
| JBO-506454 | No. 8 | 36 | £85.65 | 5 days |
|
| JBO-502432 | No. 10 | 32 | £76.44 | 5 days |
|
| JBO-506455 | No. 12 | 28 | £83.67 | 5 days |
|
| JBO-502460 | 1/4 | 28 | £72.81 | 5 days |
|
| JBO-502471 | 5/16 | 24 | £81.03 | 5 days |
|
| JBO-502468 | 3/8 | 24 | £84.22 | 5 days |
|
| JBO-502477 | 7/16 | 20 | £92.98 | 5 days |
|
| JBO-502457 | 1/2 | 20 | £104.72 | 5 days |
|
| JBO-502483 | 9/16 | 18 | £116.23 | 5 days |
|
| JBO-502474 | 5/8 | 18 | £119.52 | 5 days |
|
| JBO-502464 | 3/4 | 16 | £139.25 | 5 days |
|
| JBO-502480 | 7/8 | 14 | £164.47 | 5 days |
|
| JBO-502450 | 1 | 12 | £183.12 | 5 days |
|
| JBO-503127 | 1 1/8 | 12 | £207.25 | 5 days |
|
| JBO-506456 | 1 1/4 | 12 | £225.87 | 5 days |
|
| JBO-506457 | 1 3/8 | 12 | £245.62 | 5 days |
|
| JBO-505736 | 1 1/2 | 12 | £264.27 | 5 days |
|
| JBO-501299 | No. 12 | 32 | £74.79 | 5 days |
|
| JBO-501313 | 1/4 | 32 | £74.79 | 5 days |
|
| JBO-501326 | 5/16 | 32 | £80.16 | 5 days |
|
| JBO-501323 | 3/8 | 32 | £85.20 | 5 days |
|
| JBO-501329 | 7/16 | 2 | £90.46 | 5 days |
|
| JBO-501310 | 1/2 | 28 | £94.52 | 5 days |
|
| JBO-501334 | 9/16 | 24 | £104.60 | 5 days |
|
| JBO-501327 | 5/8 | 24 | £111.84 | 5 days |
|
| JBO-501316 | 11/16 | 24 | £120.61 | 5 days |
|
| JBO-501319 | 3/4 | 20 | £127.21 | 5 days |
|
| JBO-501317 | 13/16 | 20 | £133.78 | 5 days |
|
| JBO-501333 | 7/8 | 20 | £144.74 | 5 days |
|
| JBO-501318 | 15/16 | 20 | £155.70 | 5 days |
|
| JBO-501300 | 1 | 20 | £163.39 | 5 days |
|
| JBO-501305 | 1 1/16 | 18 | £173.24 | 5 days |
|
| JBO-501303 | 1 1/8 | 18 | £179.84 | 5 days |
|
| JBO-501307 | 1 3/16 | 18 | £189.69 | 5 days |
|
| JBO-501302 | 1 1/4 | 18 | £202.87 | 5 days |
|
| JBO-501308 | 1 5/16 | 18 | £213.83 | 5 days |
|
| JBO-501306 | 1 3/8 | 18 | £225.87 | 5 days |
|
| JBO-501309 | 1 7/16 | 18 | £236.85 | 5 days |
|
| JBO-501301 | 1 1/2 | 18 | £248.90 | 5 days |
|
| JBO-506769 | 1 9/16 | 18 | £266.46 | 5 days |
|
| JBO-506489 | No. 12 | 32 | £105.71 | 5 days |
|
| JBO-501315 | 1/4 | 32 | £105.71 | 5 days |
|
| JBO-506490 | 5/16 | 32 | £116.23 | 5 days |
|
| JBO-506491 | 3/8 | 32 | £121.72 | 5 days |
|
| JBO-501332 | 7/16 | 2 | £127.21 | 5 days |
|
| JBO-503778 | 1/2 | 28 | £133.78 | 5 days |
|
| JBO-505871 | 9/16 | 24 | £145.83 | 5 days |
|
| JBO-503138 | 5/8 | 24 | £167.77 | 5 days |
|
| JBO-506492 | 11/16 | 24 | £178.73 | 5 days |
|
| JBO-501322 | 3/4 | 20 | £188.61 | 5 days |
|
| JBO-506493 | 13/16 | 20 | £202.87 | 5 days |
|
| JBO-506494 | 7/8 | 20 | £218.21 | 5 days |
|
| JBO-506495 | 15/16 | 20 | £233.56 | 5 days |
|
| JBO-504056 | 1 | 20 | £244.52 | 5 days |
|
| JBO-502570 | 1/4 | 36 | £207.25 | 5 days |
|
| JBO-502546 | 1 | 32 | £421.06 | 5 days |
|
| JBO-502576 | 11/16 | 16 | £350.89 | 5 days |
|
| JBO-502580 | 13/16 | 16 | £307.02 | 5 days |
|
| JBO-502601 | 7/8 | 16 | £313.60 | 5 days |
|
| JBO-502545 | 1 | 16 | £350.89 | 5 days |
|
| JBO-542688 | 1 1/16 | 16 | £370.62 | 5 days |
|
| JBO-502561 | 1 3/16 | 16 | £407.90 | 5 days |
|
| JBO-505372 | 1 | 14 | £288.38 | 5 days |
|
| JBO-502552 | 1 1/16 | 12 | £321.28 | 5 days |
|
| JBO-502560 | 1 3/16 | 12 | £364.04 | 5 days |
|
| JBO-502563 | 1 5/16 | 12 | £359.66 | 5 days |
|
| JBO-502562 | 1 5/8 | 12 | £459.45 | 5 days |
|
| JBO-502554 | 1 3/4 | 12 | £441.89 | 5 days |
|
| JBO-502565 | 1 7/8 | 12 | £482.48 | 5 days |
|
| JBO-502584 | 2 | 12 | £490.14 | 5 days |
|
| JBO-503417 | 1 1/8 | 8 | £357.46 | 5 days |
|
| JBO-502549 | 1 1/4 | 8 | £359.66 | 5 days |
|
| JBO-552099 | 1 3/8 | 8 | £387.07 | 5 days |
|
| JBO-502547 | 1 1/2 | 8 | £463.83 | 5 days |
|
| JBO-502924 | 1 5/8 | 8 | £486.86 | 5 days |
|
| JBO-502556 | 1 3/4 | 8 | £552.65 | 5 days |
|
| JBO-503356 | 2 | 8 | £596.51 | 5 days |
|
| JBO-504210 | No. 2 | 56 | £167.77 | 5 days |
|
| JBO-503593 | No. 4 | 40 | £139.25 | 5 days |
|
| JBO-505569 | No. 6 | 32 | £120.61 | 5 days |
|
| JBO-501415 | No. 8 | 32 | £111.84 | 5 days |
|
| JBO-547026 | No. 10 | 24 | £111.84 | 5 days |
|
| JBO-547027 | 1/4 | 20 | £111.84 | 5 days |
|
| JBO-547028 | 5/16 | 18 | £111.84 | 5 days |
|
| JBO-507449 | 3/8 | 16 | £116.23 | 5 days |
|
| JBO-554996 | 7/16 | 14 | £148.02 | 5 days |
|
| JBO-547029 | No. 4 | 48 | £143.64 | 5 days |
|
| JBO-505347 | No. 6 | 40 | £117.33 | 5 days |
|
| JBO-501418 | No. 8 | 36 | £108.02 | 5 days |
|
| JBO-501417 | No. 10 | 32 | £94.30 | 5 days |
|
| JBO-504244 | No. 12 | 28 | £108.02 | 5 days |
|
| JBO-501419 | 1/4 | 28 | £94.30 | 5 days |
|
| JBO-501422 | 5/16 | 24 | £98.80 | 5 days |
|
| JBO-501421 | 3/8 | 24 | £106.58 | 5 days |
|
| JBO-501424 | 7/16 | 20 | £116.23 | 5 days |
|
| JBO-502986 | 1/2 | 20 | £128.29 | 5 days |
|
| JBO-501425 | 9/16 | 18 | £135.97 | 5 days |
|
| JBO-501423 | 5/8 | 18 | £153.51 | 5 days |
|
| JBO-501420 | 3/4 | 16 | £176.54 | 5 days |
|
| JBO-503651 | 7/8 | 14 | £207.25 | 5 days |
|
| JBO-503703 | 1 | 12 | £233.56 | 5 days |
|
| JBO-547575 | 1/4 | 28 | £151.32 | 5 days |
|
| JBO-503866 | 3/8 | 24 | £171.05 | 5 days |
|
| JBO-547590 | 1/2 | 20 | £206.14 | 5 days |
|
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Built around the way engineers work
Fast dispatch, clear delivery options and a friendly technical team on the end of the phone.
UK Delivery
FREE next day delivery on mainland UK orders over £50 ex VAT
| Service | Cost |
|---|---|
| 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.
Easy Returns
If an item isn't right, sending it back is simple and hassle-free.
Read our returns policy →Need Technical Help?
Our specialist team can advise on tooling choice, specifications and compatibility.
01732 887334 info@protool-ltd.co.ukMon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30
