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Truthread Thread Ring Gauge (GO) - UNF - Right Hand - 2A - 3/8x24
| Thead Form | UNF |
| Size | 3/8 |
| Pitch | 24 |
| Gauge Type | Ring Gauge (GO) |
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Description
The Truthread GO Ring Gauge for UNF threads is a high-precision tool designed to quickly verify the size and fit of cylindrical threaded parts. Specifically configured for right-hand, UNF 3/8-24 threads (2A), it provides a reliable go/no-go reference that helps machinists, inspectors, and manufacturers confirm correct engagement at a glance.
Built from high-quality steel for durability, this ring gauge withstands routine shop-floor use and calibration tasks. It resists wear, maintains accuracy over time, and offers a stable reference for maintaining tolerance across tools. The knurled outer edge provides a secure grip for fast, repeatable checks.
- UNF 3/8-24 Right-Hand 2A GO gauge: Precisely sized to verify the GO limit for mating threads, delivering quick, trustworthy pass/fail results on cylindrical parts.
- High-quality steel construction: Hardened, wear-resistant steel for long service life in demanding workshop environments, maintaining calibration accuracy over time.
- Ergonomic, quick-check design: Knurled outer surface and intuitive go/no-go use enable fast checks with minimal handling, reducing downtime and rework.
This gauge helps you streamline quality control by delivering fast, repeatable measurements that you can trust across batches. It supports straightforward calibration checks and keeps tolerances on track, minimizing scrap and rework. With robust construction and an intuitive grip, it stays reliable from setup through final inspection, helping your team hit tight tolerances with confidence.
Part Numbers
- Protool Part Number
- PRO2100122
- 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 (GO) - UN - Right Hand - 2A
View full collection →You are viewing PRO2100122. Click any other SKU to view its full details.
| Product SKU | Thread Form | Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|---|
| PRO2100128 | UNF | 1/2 | 20 | £62.96 | Out of Stock | |
| PRO2100121 | UNC | 3/8 | 16 | £62.96 | Out of Stock | |
| PRO2100119 | UNF | 5/16 | 24 | £62.96 | Out of Stock | |
| PRO2100116 | UNF | 1/4 | 28 | £62.96 | In Stock | |
| PRO2100200 | UN | 1.1/2 | 16 | £137.38 | Out of Stock | |
| PRO2100198 | UN | 1.1/2 | 8 | £214.65 | In Stock | |
| PRO2100179 | UNEF | 1.1/4 | 18 | £214.65 | Out of Stock | |
| PRO2100168 | UNF | 1.1/8 | 12 | £128.79 | In Stock | |
| PRO2100154 | UNEF | 7/8 | 20 | £128.79 | In Stock | |
| PRO2100152 | UNF | 7/8 | 14 | £85.86 | Out of Stock | |
| PRO2100147 | UN | 13/16 | 16 | £137.38 | Out of Stock | |
| PRO2100145 | UNEF | 3/4 | 20 | £120.20 | Out of Stock | |
| PRO2100144 | UNF | 3/4 | 16 | £85.86 | Out of Stock | |
| PRO2100138 | UN | 11/16 | 12 | £114.48 | Out of Stock | |
| PRO2100131 | UNF | 9/16 | 18 | £68.69 | In Stock | |
| PRO2100127 | UNC | 1/2 | 13 | £62.96 | In Stock | |
| PRO2100122 Viewing | UNF | 3/8 | 24 | £62.96 | Out of Stock | |
| PRO2100108 | UNC | No.8 | 32 | £62.96 | Out of Stock | |
| PRO2100202 | UN | 1.1/2 | 20 | £214.65 | Out of Stock | |
| PRO2100201 | UNEF | 1.1/2 | 18 | £214.65 | In Stock | |
| PRO2100199 | UNF | 1.1/2 | 12 | £137.38 | Out of Stock | |
| PRO2100197 | UNC | 1.1/2 | 6 | £228.96 | In Stock | |
| PRO2100196 | UN | 1.7/16 | 20 | £214.65 | In Stock | |
| PRO2100195 | UNEF | 1.7/16 | 18 | £214.65 | In Stock | |
| PRO2100194 | UN | 1.7/16 | 12 | £137.38 | Out of Stock | |
| PRO2100193 | UN | 1.3/8 | 8 | £214.65 | Out of Stock | |
| PRO2100192 | UN | 1.3/8 | 6 | £228.96 | Out of Stock | |
| PRO2100191 | UN | 1.3/8 | 20 | £214.65 | In Stock | |
| PRO2100189 | UN | 1.3/8 | 16 | £137.38 | In Stock | |
| PRO2100190 | UNEF | 1.3/8 | 18 | £214.65 | In Stock | |
| PRO2100188 | UNF | 1.3/8 | 12 | £137.38 | In Stock | |
| PRO2100187 | UN | 1.3/8 | 8 | £214.65 | Out of Stock | |
| PRO2100186 | UNC | 1.3/8 | 6 | £228.96 | In Stock | |
| PRO2100185 | UN | 1.5/16 | 20 | £214.65 | In Stock | |
| PRO2100184 | UNEF | 1.5/16 | 18 | £214.65 | In Stock | |
| PRO2100183 | UN | 1.5/16 | 16 | £137.38 | In Stock | |
| PRO2100182 | UNF | 1.5/16 | 12 | £137.38 | Out of Stock | |
| PRO2100181 | UN | 1.5/16 | 8 | £214.65 | In Stock | |
| PRO2100180 | UN | 1.1/4 | 20 | £214.65 | Out of Stock | |
| PRO2100178 | UN | 1.1/4 | 16 | £128.79 | Out of Stock | |
| PRO2100177 | UNF | 1.1/4 | 12 | £128.79 | Out of Stock | |
| PRO2100176 | UN | 1.1/4 | 8 | £214.65 | In Stock | |
| PRO2100175 | UNC | 1.1/4 | 7 | £214.65 | In Stock | |
| PRO2100174 | UNEF | 1.3/16 | 18 | £214.65 | In Stock | |
| PRO2100173 | UN | 1.3/16 | 16 | £137.38 | In Stock | |
| PRO2100172 | UN | 1.3/16 | 12 | £137.38 | In Stock | |
| PRO2100171 | UN | 1.3/16 | 8 | £214.65 | In Stock | |
| PRO2100170 | UNEF | 1.1/8 | 18 | £214.65 | In Stock | |
| PRO2100169 | UN | 1.1/8 | 16 | £128.79 | Out of Stock | |
| PRO2100167 | UNC | 1.1/8 | 7 | £214.65 | In Stock | |
| PRO2100166 | UNEF | 1.1/16 | 18 | £214.65 | In Stock | |
| PRO2100165 | UN | 1.1/16 | 16 | £137.38 | In Stock | |
| PRO2100164 | UNF | 1.1/16 | 12 | £137.38 | Out of Stock | |
| PRO2100163 | UNC | 1.1/16 | 8 | £214.65 | Out of Stock | |
| PRO2100162 | UNEF | 1 | 20 | £128.79 | Out of Stock | |
| PRO2100161 | UN | 1 | 16 | £128.79 | In Stock | |
| PRO2100160 | UN | 1 | 14 | £128.79 | Out of Stock | |
| PRO2100159 | UNF | 1 | 12 | £128.79 | Out of Stock | |
| PRO2100158 | UNC | 1 | 8 | £160.27 | In Stock | |
| PRO2100157 | UNEF | 15/16 | 20 | £137.38 | Out of Stock | |
| PRO2100156 | UN | 15/16 | 16 | £137.38 | Out of Stock | |
| PRO2100155 | UN | 15/16 | 12 | £137.38 | Out of Stock | |
| PRO2100153 | UN | 7/8 | 16 | £128.79 | Out of Stock | |
| PRO2100151 | UN | 7/8 | 12 | £128.79 | Out of Stock | |
| PRO2100150 | UNC | 7/8 | 9 | £137.38 | Out of Stock | |
| PRO2100149 | UNEF | 13/16 | 24 | £143.10 | Out of Stock | |
| PRO2100148 | UNEF | 13/16 | 20 | £137.38 | Out of Stock | |
| PRO2100146 | UN | 13/16 | 12 | £137.38 | In Stock | |
| PRO2100143 | UN | 3/4 | 12 | £114.48 | In Stock | |
| PRO2100142 | UNC | 3/4 | 10 | £114.48 | Out of Stock | |
| PRO2100141 | UNEF | 11/16 | 24 | £120.20 | Out of Stock | |
| PRO2100140 | UN | 11/16 | 20 | £120.20 | Out of Stock | |
| PRO2100139 | UN | 11/16 | 16 | £114.48 | In Stock | |
| PRO2100137 | UNEF | 5/8 | 24 | £120.20 | Out of Stock | |
| PRO2100136 | UN | 5/8 | 20 | £114.48 | Out of Stock | |
| PRO2100135 | UNF | 5/8 | 18 | £68.69 | Out of Stock | |
| PRO2100134 | UNC | 5/8 | 11 | £85.86 | In Stock | |
| PRO2100133 | UNEF | 9/16 | 24 | £120.20 | In Stock | |
| PRO2100132 | UN | 9/16 | 20 | £114.48 | In Stock | |
| PRO2100130 | UNC | 9/16 | 12 | £85.86 | In Stock | |
| PRO2100129 | UNEF | 1/2 | 28 | £91.58 | Out of Stock | |
| PRO2100126 | UNEF | 7/16 | 28 | £91.58 | Out of Stock | |
| PRO2100125 | UNF | 7/16 | 20 | £62.96 | Out of Stock | |
| PRO2100124 | UNC | 7/16 | 14 | £62.96 | Out of Stock | |
| PRO2100123 | UNEF | 3/8 | 32 | £91.58 | Out of Stock | |
| PRO2100120 | UNEF | 5/16 | 32 | £91.58 | In Stock | |
| PRO2100118 | UNC | 5/16 | 18 | £62.96 | Out of Stock | |
| PRO2100117 | UNEF | 1/4 | 32 | £91.58 | Out of Stock | |
| PRO2100115 | UNC | 1/4 | 20 | £62.96 | Out of Stock | |
| PRO2100114 | UNEF | No.12 | 32 | £91.58 | In Stock | |
| PRO2100113 | UNF | No.12 | 28 | £62.96 | In Stock | |
| PRO2100112 | UNC | No.12 | 24 | £62.96 | In Stock | |
| PRO2100111 | UNF | No.10 | 32 | £62.96 | In Stock | |
| PRO2100110 | UNC | No.10 | 24 | £62.96 | Out of Stock | |
| PRO2100109 | UNF | No.8 | 36 | £62.96 | In Stock | |
| PRO2100107 | UNF | No.6 | 40 | £62.96 | Out of Stock | |
| PRO2100105 | UNF | No.5 | 44 | £80.14 | In Stock | |
| PRO2100106 | UNC | No.6 | 32 | £62.96 | In Stock | |
| PRO2100104 | UNC | No.5 | 40 | £80.14 | Out of Stock | |
| PRO2100103 | UNF | No.4 | 48 | £80.14 | In Stock | |
| PRO2100102 | UNC | No.4 | 40 | £80.14 | In Stock |
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