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Truthread Thread Ring Gauge (NoGo) - UNF - Right Hand - 2A - 1.1/2x12
| Thead Form | UNF |
| Size | 1.1/2 |
| Pitch | 12 |
| Gauge Type | Ring Gauge (NoGo) |
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Description
The Truthread Thread Ring Gauge (NoGo) is a precision tool designed for UNF threads. Specifically configured for right-hand 1-1/2 x 12 UNF standards and a 2A size class, it helps technicians and inspectors quickly verify that threaded parts stay within their size tolerance.
This NoGo gauge checks the minimum material condition, ensuring the thread remains within the lower limit of the allowable size. It’s ideal for measuring threaded parts that must not be larger than the maximum allowable size, supporting accurate fits and reliable assembly in production, maintenance, and QA workflows.
- UNF‑specific design: Tailored for UNF threads to deliver fast, reliable readings on common fasteners and assemblies.
- NoGo minimum material condition check: Verifies the thread stays within the lower tolerance limit, preventing undersized or out‑of‑spec parts from passing.
- Rugged, user‑friendly construction: Built for durability with a knurled edge for secure handling, compatible with right‑hand threads and 2A class standards.
Using this gauge streamlines quality checks, reduces rework, and supports consistent results across machinists, inspectors, and maintenance technicians. It provides a clear, objective pass/fail signal that helps keep production flowing and parts fitting as intended.
Part Numbers
- Protool Part Number
- PRO2100300
- Brand
- Truthread
- Category
- Gauge
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.
Full Range: Truthread Thread Ring Gauge's (NoGo) - UN - Right Hand - 2A
View full collection →You are viewing PRO2100300. Click any other SKU to view its full details.
| Product SKU | Thread Form | Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|---|
| PRO2100203 | UNC | No.4 | 40 | £80.14 | Out of Stock | |
| PRO2100204 | UNF | No.4 | 48 | £80.14 | In Stock | |
| PRO2100205 | UNC | No.5 | 40 | £80.14 | In Stock | |
| PRO2100206 | UNF | No.5 | 44 | £80.14 | In Stock | |
| PRO2100207 | UNC | No.6 | 32 | £62.96 | In Stock | |
| PRO2100208 | UNF | No.6 | 40 | £62.96 | In Stock | |
| PRO2100209 | UNC | No.8 | 32 | £62.96 | Out of Stock | |
| PRO2100210 | UNF | No.8 | 36 | £62.96 | In Stock | |
| PRO2100211 | UNC | No.10 | 24 | £62.96 | Out of Stock | |
| PRO2100212 | UNF | No.10 | 32 | £62.96 | Out of Stock | |
| PRO2100213 | UNC | No.12 | 24 | £62.96 | In Stock | |
| PRO2100214 | UNF | No.12 | 28 | £62.96 | In Stock | |
| PRO2100215 | UNEF | No.12 | 32 | £91.58 | In Stock | |
| PRO2100216 | UNC | 1/4 | 20 | £62.96 | In Stock | |
| PRO2100217 | UNF | 1/4 | 28 | £62.96 | In Stock | |
| PRO2100218 | UNEF | 1/4 | 32 | £91.58 | Out of Stock | |
| PRO2100219 | UNC | 5/16 | 18 | £62.96 | In Stock | |
| PRO2100220 | UNF | 5/16 | 24 | £62.96 | Out of Stock | |
| PRO2100221 | UNEF | 5/16 | 32 | £91.58 | In Stock | |
| PRO2100222 | UNC | 3/8 | 16 | £62.96 | In Stock | |
| PRO2100223 | UNF | 3/8 | 24 | £62.96 | In Stock | |
| PRO2100224 | UEF | 3/8 | 32 | £91.58 | In Stock | |
| PRO2100225 | UNC | 7/16 | 14 | £62.96 | Out of Stock | |
| PRO2100226 | UNF | 7/16 | 20 | £62.96 | Out of Stock | |
| PRO2100227 | UNEF | 7/16 | 28 | £91.58 | Out of Stock | |
| PRO2100228 | UNC | 1/2 | 13 | £62.96 | In Stock | |
| PRO2100229 | UNF | 1/2 | 20 | £62.96 | Out of Stock | |
| PRO2100230 | UNEF | 1/2 | 28 | £91.58 | Out of Stock | |
| PRO2100231 | UNC | 9/16 | 12 | £85.86 | In Stock | |
| PRO2100232 | UNF | 9/16 | 18 | £68.69 | Out of Stock | |
| PRO2100233 | UN | 9/16 | 20 | £114.48 | Out of Stock | |
| PRO2100234 | UNEF | 9/16 | 24 | £120.20 | In Stock | |
| PRO2100235 | UNC | 5/8 | 11 | £85.86 | In Stock | |
| PRO2100236 | UNF | 5/8 | 18 | £68.69 | Out of Stock | |
| PRO2100237 | UN | 5/8 | 20 | £114.48 | Out of Stock | |
| PRO2100238 | UNEF | 5/8 | 24 | £120.20 | In Stock | |
| PRO2100239 | UN | 11/16 | 12 | £114.48 | In Stock | |
| PRO2100240 | UN | 11/16 | 16 | £114.48 | In Stock | |
| PRO2100241 | UN | 11/16 | 20 | £120.20 | In Stock | |
| PRO2100242 | UNEF | 11/16 | 24 | £120.20 | In Stock | |
| PRO2100243 | UNC | 3/4 | 10 | £114.48 | In Stock | |
| PRO2100244 | UN | 3/4 | 12 | £114.48 | In Stock | |
| PRO2100245 | UNF | 3/4 | 16 | £85.86 | In Stock | |
| PRO2100246 | UNEF | 3/4 | 20 | £120.20 | Out of Stock | |
| PRO2100247 | UN | 13/16 | 12 | £137.38 | In Stock | |
| PRO2100248 | UN | 13/16 | 16 | £137.38 | In Stock | |
| PRO2100249 | UNEF | 13/16 | 20 | £137.38 | Out of Stock | |
| PRO2100250 | UNEF | 13/16 | 24 | £143.10 | Out of Stock | |
| PRO2100251 | UNC | 7/8 | 9 | £137.38 | Out of Stock | |
| PRO2100252 | UN | 7/8 | 12 | £128.79 | In Stock | |
| PRO2100253 | UNF | 7/8 | 14 | £85.86 | Out of Stock | |
| PRO2100254 | UN | 7/8 | 16 | £128.79 | In Stock | |
| PRO2100255 | UNEF | 7/8 | 20 | £128.79 | In Stock | |
| PRO2100256 | UN | 15/16 | 12 | £137.38 | In Stock | |
| PRO2100257 | UN | 15/16 | 16 | £137.38 | Out of Stock | |
| PRO2100258 | UNEF | 15/16 | 20 | £137.38 | In Stock | |
| PRO2100259 | UNC | 1 | 8 | £160.27 | In Stock | |
| PRO2100260 | UNF | 1 | 12 | £128.79 | In Stock | |
| PRO2100261 | UN | 1 | 14 | £128.79 | Out of Stock | |
| PRO2100262 | UN | 1 | 16 | £128.79 | In Stock | |
| PRO2100263 | UNEF | 1 | 20 | £128.79 | In Stock | |
| PRO2100264 | UNC | 1.1/16 | 8 | £214.65 | Out of Stock | |
| PRO2100265 | UNF | 1.1/16 | 12 | £137.38 | Out of Stock | |
| PRO2100266 | UN | 1.1/16 | 16 | £137.38 | In Stock | |
| PRO2100267 | UNEF | 1.1/16 | 18 | £214.65 | Out of Stock | |
| PRO2100268 | UNC | 1.1/8 | 7 | £214.65 | Out of Stock | |
| PRO2100269 | UNF | 1.1/8 | 12 | £128.79 | In Stock | |
| PRO2100270 | UN | 1.1/8 | 16 | £128.79 | Out of Stock | |
| PRO2100271 | UNEF | 1.1/8 | 18 | £214.65 | Out of Stock | |
| PRO2100272 | UN | 1.3/16 | 8 | £214.65 | Out of Stock | |
| PRO2100273 | UN | 1.3/16 | 12 | £137.38 | In Stock | |
| PRO2100274 | UN | 1.3/16 | 16 | £137.38 | In Stock | |
| PRO2100275 | UNEF | 1.3/16 | 18 | £214.65 | Out of Stock | |
| PRO2100276 | UNC | 1.1/4 | 7 | £214.65 | Out of Stock | |
| PRO2100277 | UN | 1.1/4 | 8 | £214.65 | Out of Stock | |
| PRO2100278 | UNF | 1.1/4 | 12 | £128.79 | Out of Stock | |
| PRO2100279 | UN | 1.1/4 | 16 | £128.79 | Out of Stock | |
| PRO2100280 | UNEF | 1.1/4 | 18 | £214.65 | Out of Stock | |
| PRO2100281 | UN | 1.1/4 | 20 | £214.65 | Out of Stock | |
| PRO2100282 | UN | 1.5/16 | 8 | £214.65 | Out of Stock | |
| PRO2100283 | UNF | 1.5/16 | 12 | £137.38 | Out of Stock | |
| PRO2100284 | UN | 1.5/16 | 16 | £137.38 | In Stock | |
| PRO2100285 | UNEF | 1.5/16 | 18 | £214.65 | Out of Stock | |
| PRO2100286 | UN | 1.5/16 | 20 | £214.65 | Out of Stock | |
| PRO2100287 | UNC | 1.3/8 | 6 | £228.96 | Out of Stock | |
| PRO2100288 | UN | 1.3/8 | 8 | £214.65 | In Stock | |
| PRO2100289 | UNF | 1.3/8 | 12 | £137.38 | Out of Stock | |
| PRO2100290 | UN | 1.3/8 | 16 | £137.38 | In Stock | |
| PRO2100291 | UNEF | 1.3/8 | 18 | £214.65 | Out of Stock | |
| PRO2100292 | UN | 1.3/8 | 20 | £214.65 | Out of Stock | |
| PRO2100293 | UN | 1.3/8 | 6 | £228.96 | Out of Stock | |
| PRO2100294 | UN | 1.3/8 | 8 | £214.65 | Out of Stock | |
| PRO2100295 | UN | 1.7/16 | 12 | £137.38 | In Stock | |
| PRO2100296 | UNEF | 1.7/16 | 18 | £214.65 | Out of Stock | |
| PRO2100297 | UN | 1.7/16 | 20 | £214.65 | Out of Stock | |
| PRO2100298 | UNC | 1.1/2 | 6 | £228.96 | Out of Stock | |
| PRO2100299 | UN | 1.1/2 | 8 | £214.65 | In Stock | |
| PRO2100300 Viewing | UNF | 1.1/2 | 12 | £137.38 | Out of Stock | |
| PRO2100301 | UN | 1.1/2 | 16 | £137.38 | In Stock | |
| PRO2100302 | UNEF | 1.1/2 | 18 | £214.65 | Out of Stock | |
| PRO2100303 | UN | 1.1/2 | 20 | £214.65 | Out of Stock |
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