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Truthread Thread Ring Gauge (GO) - UNC - Right Hand - 2A - No.4x40
| Thead Form | UNC |
| Size | No.4 |
| Pitch | 40 |
| Gauge Type | Ring Gauge (GO) |
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Description
Truthread GO Ring Gauges for UNC threads are high-precision measuring tools designed to accurately size cylindrical threaded parts. Built for the manufacturing floor, these gauges help quality teams and machinists verify thread dimensions quickly and consistently, ensuring parts meet exact specifications.
Made from high-quality steel, they deliver durability and long service life. The robust construction resists wear and maintains steady measurements through repeated use in busy environments.
- Precise GO verification for UNC threads: Quickly confirm whether a threaded part passes the Go threshold, helping identify out‑of‑tolerance items and reduce inspection time and rework.
- Rugged steel construction for lasting accuracy: Built to withstand daily shop-floor use, resisting wear and preserving flat faces and smooth internal threads for reliable measurements over time.
- Standard UNC Right-Hand 2A No.4x40 specification: Aligns with common thread standards, promoting compatibility with fixtures and ensuring consistent inspections across the production line.
Using Truthread GO Ring Gauges helps you speed up quality checks, cut downtime, and improve confidence in every batch. The durable design supports regular calibration and long service life, delivering repeatable results you can trust for precision manufacturing.
Part Numbers
- Protool Part Number
- PRO2100102
- 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 PRO2100102. 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 | 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 Viewing | UNC | No.4 | 40 | £80.14 | In Stock |
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