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VCOIL Plug Gauge (D/E) - BSP (STI) - Heli Coil Gauge - Right Hand - 1/8 x 28

SKU:TC-19881

The VCOIL Plug Gauge is a precision go/no-go thread gauge crafted for Helicoil/BSP (STI) right-hand threads at 1/8 x 28. It’s designed to reliably verify ANSI/ASME standard threads with a quick, h... Read more ↓
Thread FormBSP (STI)
Size1/8
Pitch28
Gauge TypePlug Gauge (D/E)
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£71.55
Prices shown ex. VAT
7 days estimated lead time — subject to availability
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Free delivery over £50 ex VAT
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01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

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Description

The VCOIL Plug Gauge is a precision go/no-go thread gauge crafted for Helicoil/BSP (STI) right-hand threads at 1/8 x 28. It’s designed to reliably verify ANSI/ASME standard threads with a quick, hand-operated check.

  • Size/Thread: 1/8 x 28 BSP (STI) right-hand thread verification
  • Go/No-Go thread gauge: Combines a go end and a no-go end to confirm both acceptance and rejection limits in one tool
  • Scrap side marked: Red ring on the scrap side for fast identification during inspections
  • ANSI/ASME standards compliant: Manufactured and assessed in accordance with the relevant ANSI/ASME thread system
  • Hand-thread test criteria: Go end must screw into the thread cut by hand without excessive force
  • Scrap limit: Scrap end must not be able to be turned more than two turns into the cut thread without excessive force
  • Reference temperature: Parts and gauges refer to 20°C for consistency

Benefits: This single gauge streamlines thread verification for Helicoil applications, delivering clear go/no-go results that align with ANSI/ASME standards. By confirming both the minimum and maximum thread limits, it helps prevent cross-threading, improper inserts, and assembly delays. The red scrap indicator and standardized 20°C reference support consistent quality control across maintenance and manufacturing workflows.

Part Numbers

Protool Part Number
TC-19881
Brand
VCOIL
Category
Gauge
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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.

Ask our technical team about this tool

Not sure if this is the right tool for your job? Ask us about speeds and feeds, material suitability, holders or alternatives — 30+ years of machining experience on the other end.

Prefer to talk? Call 01732 887334 — Mon–Thurs 8:30–17:30, Fri 8:30–16:30.

Full Range: VCOIL Plug Gauges BSP (STI)

View full collection →

You are viewing TC-19881. Click any other SKU to view its full details.

Product SKUSizePitchPriceStock Order
TC-19881 Viewing1/828£71.55 7 days
TC-19882 1/419£75.53 7 days
TC-19883 3/819£79.50 In Stock
TC-19884 1/214£82.15 7 days
TC-19885 5/814£82.15 7 days
TC-19886 3/414£99.38 7 days
TC-19887 7/814£99.38 7 days
TC-19888 111£116.60 7 days

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