JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M100 x 3

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JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M100 x 3

SKU:JBO-505574

Specifications at a glance

Thread Form	Metric
Size	M100
Pitch	3
Gauge Type	Ring Gauge (GO)

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£503.29

Prices shown ex. VAT

5 days estimated lead time — subject to availability

Free delivery over £50 ex VAT

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14-day returns

30+ years expertise

Pay in 3 interest-free instalments. No extra cost if paid on time. 18+ only.
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01732 887334

Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

Compatible certification

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UKAS Calibration Certificate - Screw Ring Gauges up to 100mm/4" (Up To 14 DAYS FROM STOCK) - 1 Per Gauge
£50.00Available to order

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Description

The JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M100 x 3 is a precision tool for verifying external thread diameters on metric fine threads. It’s designed for engineers, machinists, quality teams, and shop-floor staff who need quick, reliable conformance checks to confirm parts meet the M100 x 3 specification.

Manufactured from hardened steel, this GO gauge provides durability and wear resistance for long-lasting performance in demanding work environments. Its simple, purpose-built design supports fast, reliable inspections and makes it easy to identify components that conform to the required standards.

Precise metric fine-thread GO gauge (M100 x 3): Enables accurate external thread checks and quick conformance decisions, helping reduce inspection time and rework.
Hardened steel construction: Delivers long life in busy environments, resisting wear to preserve measurement accuracy and reliability.
Ergonomic, knurled grip for easy handling: Provides secure grip and intuitive use, speeding up identifications of conforming parts and improving workflow efficiency.

By delivering quick, dependable measurements, this gauge speeds up inspections, minimizes rework, and supports consistent thread quality across batches. Its durable build and straightforward use help teams stay productive, whether in high-volume production or precision assembly.

Part Numbers

Protool Part Number: JBO-505574
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.

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

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You are viewing JBO-505574. Click any other SKU to view its full details.

Product SKU	Size	Pitch	Price	Stock

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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