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VCOIL Plug Gauge (NoGo) - UNF (STI) - Heli Coil Gauge - Right Hand - 2B - 1.1/2 x 12
| Thread Form | UNF (STI) |
| Size | 1.1/2 |
| Pitch | 12 |
| Gauge Type | Plug Gauge (NoGo) |
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Description
The VCOIL Plug Gauge (NoGo) is a UNF thread go/no-go gauge designed for precise inspection of internal threads. Built as a Right Hand Helicoil gauge, it provides quick, reliable verification of ANSI/ASME thread standards.
- Thread Standard: UNF (STI) per ANSI/ASME threading system
- Gauge Type: Go/No-Go thread plug gauge (combines go and scrap checks)
- Handedness: Right Hand configuration
- Size / Thread: 1.1/2 x 12
- Grade: 2B
- Scrap Ring Marking: Scrap side is marked with a red ring
- Compliance: Manufactured and assessed to ANSI standards for thread gauges
- Reference Temperature: 20° Celsius
The go end must screw into the threaded cut in a part by hand, without using excessive force. If it cannot, the thread does not meet the required standard (scrap). The scrap end should not be able to be screwed in more than two full turns into the cut thread, without using excessive force. This ensures accurate conformance checks and helps prevent misfits in assembly. The 20° Celsius reference temperature provides consistent results across measurement conditions.
Part Numbers
- Protool Part Number
- TC-19843
- Brand
- VCOIL
- 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: VCOIL Plug Gauges UNF (STI)
View full collection →You are viewing TC-19843. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Price | Stock | Order |
|---|---|---|---|---|---|
| TC-19823 | No. 4 | 48 | £102.03 | In Stock | |
| TC-19824 | No. 6 | 40 | £102.03 | In Stock | |
| TC-19825 | No. 8 | 36 | £98.05 | In Stock | |
| TC-19826 | No. 10 | 32 | £98.05 | 7 days | |
| TC-19827 | 1/4 | 28 | £95.40 | 7 days | |
| TC-19828 | 5/16 | 24 | £99.38 | 7 days | |
| TC-19829 | 3/8 | 24 | £103.35 | 7 days | |
| TC-19830 | 7/16 | 20 | £108.65 | In Stock | |
| TC-19831 | 1/2 | 20 | £113.95 | 7 days | |
| TC-19832 | 9/16 | 18 | £123.23 | In Stock | |
| TC-19833 | 5/8 | 18 | £137.80 | In Stock | |
| TC-19834 | 3/4 | 16 | £169.60 | 7 days | |
| TC-19835 | 7/8 | 14 | £184.18 | 7 days | |
| TC-19836 | 1 | 12 | £221.28 | 7 days | |
| TC-19837 | 1 | 14 | £221.28 | 7 days | |
| TC-19838 | 1.1/8 | 12 | £221.28 | 7 days | |
| TC-19839 | 1.1/4 | 12 | £257.05 | 7 days | |
| TC-19840 | 1.3/8 | 12 | £166.95 | 7 days | |
| TC-19841 | 1.3/8 | 12 | £166.95 | 7 days | |
| TC-19842 | 1.1/2 | 12 | £194.78 | 7 days | |
| TC-19843 Viewing | 1.1/2 | 12 | £194.78 | 7 days | |
| TC-19923 | No. 4 | 48 | £121.90 | 7 days | |
| TC-19924 | No. 6 | 40 | £121.90 | 7 days | |
| TC-19925 | No. 8 | 36 | £116.60 | 7 days | |
| TC-19926 | No. 10 | 32 | £116.60 | 7 days | |
| TC-19927 | 1/4 | 28 | £115.28 | 7 days | |
| TC-19928 | 5/16 | 24 | £119.25 | 7 days | |
| TC-19929 | 3/8 | 24 | £123.23 | 7 days | |
| TC-19930 | 7/16 | 20 | £129.85 | 7 days | |
| TC-19931 | 1/2 | 20 | £136.48 | 7 days | |
| TC-19932 | 9/16 | 18 | £148.40 | 7 days | |
| TC-19933 | 5/8 | 18 | £165.63 | 7 days | |
| TC-19934 | 3/4 | 16 | £202.73 | 7 days | |
| TC-19935 | 7/8 | 14 | £221.28 | 7 days | |
| TC-19936 | 1 | 12 | £265.00 | 7 days | |
| TC-19937 | 1 | 14 | £265.00 | 7 days | |
| TC-19938 | 1.1/8 | 12 | £265.00 | 7 days | |
| TC-19939 | 1.1/4 | 12 | £308.73 | 7 days | |
| TC-19940 | 1.3/8 | 12 | £201.40 | 7 days | |
| TC-19941 | 1.3/8 | 12 | £201.40 | 7 days | |
| TC-19942 | 1.1/2 | 12 | £234.53 | 7 days | |
| TC-19943 | 1.1/2 | 12 | £234.53 | 7 days |
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