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Truthread Thread Ring Gauge (GO) - UNF - Right Hand - 2A - 1.3/8x12
SKU:PRO2100188
The Truthread Ring Gauge GO for UNF right-hand threads in 1.3/8x12 size is a high-precision tool designed to verify the size of cylindrical threaded components. It is ideal for manufacturers, mach...
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Specification
| Thead Form | UNF |
| Size | 1.3/8 |
| Pitch | 12 |
| Gauge Type | Ring Gauge (GO) |
| Thead Direction | Right Hand |
| Tolerance | 2A |
£137.38
Prices shown ex. VAT
In Stock— only 4 left
View Other Sizes →
Free delivery over £50 ex VAT
Secure checkout
14-day returns
30+ years expertise
Pay in 3 interest-free instalments. No extra cost if paid on time. 18+ only.
Learn more about Klarna
Learn more about Klarna
The Truthread Ring Gauge GO for UNF right-hand threads in 1.3/8x12 size is a high-precision tool designed to verify the size of cylindrical threaded components. It is ideal for manufacturers, machinists, and quality teams that require fast, repeatable GO checks to confirm parts meet exact specifications.
Built from high-quality steel for durability, this GO gauge is built to withstand daily use in inspection and calibration workflows. With a 2A tolerance class, it supports consistent measurements across production runs and helps teams make quick, confident quality decisions.
- Exact UNF 1.3/8x12 GO thread size: Provides fast, confident GO checks for external threads, helping you quickly determine whether parts meet spec on first pass.
- Rugged steel construction with a knurled grip: Durable, corrosion-resistant steel stands up to daily shop use, while the textured outer surface ensures secure handling even with gloves on.
- Easy calibration and repeatable results: Designed to integrate with standard calibration routines, delivering consistent measurements and reducing downtime in quality control processes.
Using this gauge streamlines your workflow by speeding up inspections, reducing rework, and improving overall thread quality across batches. Its reliable performance supports accurate decisions, helping parts fit correctly and maintain high manufacturing standards with less effort.
| Thead Form | UNF |
| Size | 1.3/8 |
| Pitch | 12 |
| Gauge Type | Ring Gauge (GO) |
| Thead Direction | Right Hand |
| Tolerance | 2A |
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.
★★★★★
Nice experience staff are very helpful and interested...
Staff are very helpful and interested in providing a good service making us the customer feel valued.
★★★★★
first place we look
honest about stock and prices are competitive.
★★★★★
Polite and helpful
Staff are very helpful and polite.Goods that were in stock were dispatched same day and back orders were quick in coming through .
★★★★★
Buying experience
Phone requests are handled quickly and without any fuss. The website is easy to use and straightforward to order from. It’s especially helpful that it shows real‑time availability, so we don’t need to call to confirm whether parts will arrive.
Full Range: Truthread Thread Ring Gauge's (GO) - UN - Right Hand - 2A
View full collection →You are viewing PRO2100188. Click any other SKU to view its full details.
| Product SKU | Thread Form | Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|---|
| PRO2100102 | UNC | No.4 | 40 | £80.14 | In Stock | |
| PRO2100103 | UNF | No.4 | 48 | £80.14 | In Stock | |
| PRO2100104 | UNC | No.5 | 40 | £80.14 | Out of Stock | |
| PRO2100105 | UNF | No.5 | 44 | £80.14 | In Stock | |
| PRO2100106 | UNC | No.6 | 32 | £62.96 | In Stock | |
| PRO2100107 | UNF | No.6 | 40 | £62.96 | Out of Stock | |
| PRO2100108 | UNC | No.8 | 32 | £62.96 | Out of Stock | |
| PRO2100109 | UNF | No.8 | 36 | £62.96 | In Stock | |
| PRO2100110 | UNC | No.10 | 24 | £62.96 | Out of Stock | |
| PRO2100111 | UNF | No.10 | 32 | £62.96 | In Stock | |
| PRO2100112 | UNC | No.12 | 24 | £62.96 | In Stock | |
| PRO2100113 | UNF | No.12 | 28 | £62.96 | In Stock | |
| PRO2100114 | UNEF | No.12 | 32 | £91.58 | In Stock | |
| PRO2100115 | UNC | 1/4 | 20 | £62.96 | Out of Stock | |
| PRO2100116 | UNF | 1/4 | 28 | £62.96 | In Stock | |
| PRO2100117 | UNEF | 1/4 | 32 | £91.58 | Out of Stock | |
| PRO2100118 | UNC | 5/16 | 18 | £62.96 | Out of Stock | |
| PRO2100119 | UNF | 5/16 | 24 | £62.96 | Out of Stock | |
| PRO2100120 | UNEF | 5/16 | 32 | £91.58 | In Stock | |
| PRO2100121 | UNC | 3/8 | 16 | £62.96 | Out of Stock | |
| PRO2100122 | UNF | 3/8 | 24 | £62.96 | Out of Stock | |
| PRO2100123 | UNEF | 3/8 | 32 | £91.58 | Out of Stock | |
| PRO2100124 | UNC | 7/16 | 14 | £62.96 | Out of Stock | |
| PRO2100125 | UNF | 7/16 | 20 | £62.96 | Out of Stock | |
| PRO2100126 | UNEF | 7/16 | 28 | £91.58 | Out of Stock | |
| PRO2100127 | UNC | 1/2 | 13 | £62.96 | In Stock | |
| PRO2100128 | UNF | 1/2 | 20 | £62.96 | Out of Stock | |
| PRO2100129 | UNEF | 1/2 | 28 | £91.58 | Out of Stock | |
| PRO2100130 | UNC | 9/16 | 12 | £85.86 | In Stock | |
| PRO2100131 | UNF | 9/16 | 18 | £68.69 | In Stock | |
| PRO2100132 | UN | 9/16 | 20 | £114.48 | In Stock | |
| PRO2100133 | UNEF | 9/16 | 24 | £120.20 | In Stock | |
| PRO2100134 | UNC | 5/8 | 11 | £85.86 | In Stock | |
| PRO2100135 | UNF | 5/8 | 18 | £68.69 | Out of Stock | |
| PRO2100136 | UN | 5/8 | 20 | £114.48 | Out of Stock | |
| PRO2100137 | UNEF | 5/8 | 24 | £120.20 | Out of Stock | |
| PRO2100138 | UN | 11/16 | 12 | £114.48 | Out of Stock | |
| PRO2100139 | UN | 11/16 | 16 | £114.48 | In Stock | |
| PRO2100140 | UN | 11/16 | 20 | £120.20 | Out of Stock | |
| PRO2100141 | UNEF | 11/16 | 24 | £120.20 | Out of Stock | |
| PRO2100142 | UNC | 3/4 | 10 | £114.48 | Out of Stock | |
| PRO2100143 | UN | 3/4 | 12 | £114.48 | In Stock | |
| PRO2100144 | UNF | 3/4 | 16 | £85.86 | Out of Stock | |
| PRO2100145 | UNEF | 3/4 | 20 | £120.20 | Out of Stock | |
| PRO2100146 | UN | 13/16 | 12 | £137.38 | In Stock | |
| PRO2100147 | UN | 13/16 | 16 | £137.38 | Out of Stock | |
| PRO2100148 | UNEF | 13/16 | 20 | £137.38 | Out of Stock | |
| PRO2100149 | UNEF | 13/16 | 24 | £143.10 | Out of Stock | |
| PRO2100150 | UNC | 7/8 | 9 | £137.38 | Out of Stock | |
| PRO2100151 | UN | 7/8 | 12 | £128.79 | Out of Stock | |
| PRO2100152 | UNF | 7/8 | 14 | £85.86 | Out of Stock | |
| PRO2100153 | UN | 7/8 | 16 | £128.79 | Out of Stock | |
| PRO2100154 | UNEF | 7/8 | 20 | £128.79 | In Stock | |
| PRO2100155 | UN | 15/16 | 12 | £137.38 | Out of Stock | |
| PRO2100156 | UN | 15/16 | 16 | £137.38 | Out of Stock | |
| PRO2100157 | UNEF | 15/16 | 20 | £137.38 | Out of Stock | |
| PRO2100158 | UNC | 1 | 8 | £160.27 | In Stock | |
| PRO2100159 | UNF | 1 | 12 | £128.79 | Out of Stock | |
| PRO2100160 | UN | 1 | 14 | £128.79 | Out of Stock | |
| PRO2100161 | UN | 1 | 16 | £128.79 | In Stock | |
| PRO2100162 | UNEF | 1 | 20 | £128.79 | Out of Stock | |
| PRO2100163 | UNC | 1.1/16 | 8 | £214.65 | Out of Stock | |
| PRO2100164 | UNF | 1.1/16 | 12 | £137.38 | Out of Stock | |
| PRO2100165 | UN | 1.1/16 | 16 | £137.38 | In Stock | |
| PRO2100166 | UNEF | 1.1/16 | 18 | £214.65 | In Stock | |
| PRO2100167 | UNC | 1.1/8 | 7 | £214.65 | In Stock | |
| PRO2100168 | UNF | 1.1/8 | 12 | £128.79 | In Stock | |
| PRO2100169 | UN | 1.1/8 | 16 | £128.79 | Out of Stock | |
| PRO2100170 | UNEF | 1.1/8 | 18 | £214.65 | In Stock | |
| PRO2100171 | UN | 1.3/16 | 8 | £214.65 | In Stock | |
| PRO2100172 | UN | 1.3/16 | 12 | £137.38 | In Stock | |
| PRO2100173 | UN | 1.3/16 | 16 | £137.38 | In Stock | |
| PRO2100174 | UNEF | 1.3/16 | 18 | £214.65 | In Stock | |
| PRO2100175 | UNC | 1.1/4 | 7 | £214.65 | In Stock | |
| PRO2100176 | UN | 1.1/4 | 8 | £214.65 | In Stock | |
| PRO2100177 | UNF | 1.1/4 | 12 | £128.79 | Out of Stock | |
| PRO2100178 | UN | 1.1/4 | 16 | £128.79 | Out of Stock | |
| PRO2100179 | UNEF | 1.1/4 | 18 | £214.65 | In Stock | |
| PRO2100180 | UN | 1.1/4 | 20 | £214.65 | Out of Stock | |
| PRO2100181 | UN | 1.5/16 | 8 | £214.65 | In Stock | |
| PRO2100182 | UNF | 1.5/16 | 12 | £137.38 | Out of Stock | |
| PRO2100183 | UN | 1.5/16 | 16 | £137.38 | In Stock | |
| PRO2100184 | UNEF | 1.5/16 | 18 | £214.65 | In Stock | |
| PRO2100185 | UN | 1.5/16 | 20 | £214.65 | In Stock | |
| PRO2100186 | UNC | 1.3/8 | 6 | £228.96 | In Stock | |
| PRO2100187 | UN | 1.3/8 | 8 | £214.65 | Out of Stock | |
| PRO2100188 Viewing | UNF | 1.3/8 | 12 | £137.38 | In Stock | |
| PRO2100189 | UN | 1.3/8 | 16 | £137.38 | In Stock | |
| PRO2100190 | UNEF | 1.3/8 | 18 | £214.65 | In Stock | |
| PRO2100191 | UN | 1.3/8 | 20 | £214.65 | In Stock | |
| PRO2100192 | UN | 1.3/8 | 6 | £228.96 | Out of Stock | |
| PRO2100193 | UN | 1.3/8 | 8 | £214.65 | Out of Stock | |
| PRO2100194 | UN | 1.7/16 | 12 | £137.38 | Out of Stock | |
| PRO2100195 | UNEF | 1.7/16 | 18 | £214.65 | In Stock | |
| PRO2100196 | UN | 1.7/16 | 20 | £214.65 | In Stock | |
| PRO2100197 | UNC | 1.1/2 | 6 | £228.96 | In Stock | |
| PRO2100198 | UN | 1.1/2 | 8 | £214.65 | In Stock | |
| PRO2100199 | UNF | 1.1/2 | 12 | £137.38 | Out of Stock | |
| PRO2100200 | UN | 1.1/2 | 16 | £137.38 | Out of Stock | |
| PRO2100201 | UNEF | 1.1/2 | 18 | £214.65 | In Stock | |
| PRO2100202 | UN | 1.1/2 | 20 | £214.65 | Out of Stock |
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