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Asimeto Ring Thread Gauge (Go/NoGo) - Imperial - Right Hand - ASMEB1.20.1-2013 - 3/8 x 18
| Thread Form | NPT |
| Size | 3/8 |
| Pitch | 18 |
| Gauge Type | Ring Gauge (Go/NoGo) |
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Description
Asimeto Ring Thread Gauge (Go/NoGo) in Imperial sizes is a precision tool designed for external thread inspection. This right-hand gauge uses a 3/8 x 18 thread size and aligns with ASMEB1.20.1-2013 standards, making it a dependable choice for quality control in machining and manufacturing environments.
- Go/NoGo external thread verification: Quickly confirms whether a thread is within tolerance by testing against Go and NoGo limits, reducing inspection time and helping prevent misreads on the shop floor.
- 3-step L3 design for consistent depth checks: Stable, repeatable geometry supports accurate verification of thread depth and tolerance across multiple parts, boosting confidence in results.
- ASMEB1.20.1-2013 Imperial standard compliant: Ensures measurements align with widely adopted industry specifications, promoting compatibility and reliable acceptance criteria across jobs.
Designed for professional use across engineering, manufacturing, and maintenance roles, this gauge helps speed up quality control, ensure reliable thread fits, and maintain consistent results across batches.
Part Numbers
- Protool Part Number
- 690-43-3
- Brand
- Asimeto
- 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: Asimeto Ring Thread Gauges (Go/NoGo) - Imperial - Right Hand - ASMEB1.20.1-2013
View full collection →You are viewing 690-43-3. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Middle Diameter Size | Gauge Tolerance | Price | Stock | Order |
|---|---|---|---|---|---|---|---|
| 690-40-3 | 1/16 | 27 | 0.28118 | ± 0.0003 | £133.83 | In Stock | |
| 690-41-3 | 1/8 | 27 | 0.37360 | ± 0.0003 | £151.43 | In Stock | |
| 690-42-3 | 1/4 | 18 | 0.49163 | ± 0.0003 | £164.34 | 4 weeks | |
| 690-43-3 Viewing | 3/8 | 18 | 0.62701 | ± 0.0003 | £216.41 | In Stock | |
| 690-44-3 | 1/2 | 14 | 0.77843 | ± 0.0003 | £260.60 | In Stock | |
| 690-45-3 | 3/4 | 14 | 0.98887 | ± 0.0003 | £294.66 | 4 weeks | |
| 690-46-3 | 1 | 11.5 | 1.23863 | ± 0.0004 | £328.68 | 4 weeks | |
| 690-47-3 | 1.1/4 | 11.5 | 1.58338 | ± 0.0004 | £459.00 | 4 weeks | |
| 690-48-3 | 1.1/2 | 11.5 | 1.82234 | ± 0.0004 | £493.43 | 4 weeks | |
| 690-49-3 | 2 | 11.5 | 2.29627 | ± 0.0004 | £520.07 | 4 weeks | |
| 690-50-3 | 2.1/2 | 8 | 2.76216 | ± 0.0005 | £542.75 | 4 weeks | |
| 690-51-3 | 3 | 8 | 3.38850 | ± 0.0005 | £570.15 | 4 weeks |
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