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VCOIL Plug Gauge (D/E) - BSP (STI) - Heli Coil Gauge - Right Hand - 1/4 x 19
| Thread Form | BSP (STI) |
| Size | 1/4 |
| Pitch | 19 |
| Gauge Type | Plug Gauge (D/E) |
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Description
Precise thread plug gauge for BSP (STI) fasteners, the VCOIL Plug Gauge (D/E) Right Hand, 1/4 x 19, is designed for Helicoil coil insert applications. This go/no-go gauge provides quick, reliable verification of thread quality to ANSI/ASME standards.
- End Type: Right-hand thread plug gauge with go and no-go ends for BSP (STI) D/E sizes.
- Thread Size: 1/4 x 19 (1/4"-19 TPI) to match standard BSP threads.
- Go End: Screws into the threaded cut in a part by hand with controlled force to verify acceptable engagement.
- No-Go End: Scrap end should not be screwed in more than two turns; detects nonconforming threads.
- Marking: Scrap side is identified by a red ring for easy visual inspection.
- Standards & Reference: Manufactured and assessed to ANSI/ASME thread standards; reference temperature 20°C for consistency.
- Construction: Durable metal body with knurled grip and precise ends engineered for repeated use in busy work environments.
The VCOIL Plug Gauge simplifies quality control by delivering immediate go/no-go feedback during assembly, repair, and inspection of BSP thread components. The combination of a go end and a no-go end, clearly marked scrap side, and adherence to recognized thread standards helps reduce scrap, prevent over-insertion, and ensure reliable performance of Helicoil inserts. Compact and rugged, it fits neatly in tool kits and on service benches, making precise thread verification a quick, repeatable part of your workflow.
Part Numbers
- Protool Part Number
- TC-19882
- 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 BSP (STI)
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