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JBO Plug Gauge - UNC (STI) Heli Coil Gauge - Right Hand - 3B - 5/16 x 24 - Calibrated (DAkkS Calibration)

SKU:JBO-512717

Helicoil gauges are manufactured and assessed in accordance with the relevant ANSI standards, specifically those defined by the American National Standards Institute / ASME thread system.The JBO Pl... Read more ↓
Thread FormUNF (STI)
Size5/16
Pitch24
Gauge TypePlug Gauge (D/E)
Thread DirectionRight Hand
Tolerance3B
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£207.24
Prices shown ex. VAT
5 days estimated lead time — subject to availability
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Helicoil gauges are manufactured and assessed in accordance with the relevant ANSI standards, specifically those defined by the American National Standards Institute / ASME thread system.The JBO Plug Gauges - UNC (STI) Wire Inserts are precision measuring tools designed specifically for UNC (Unified National Coarse) Screw Thread Inserts (STIs). These plug gauges play a critical role in ensuring accurate and reliable measurements of threaded inserts in industries such as manufacturing, automotive, and aerospace. With their meticulous design and precise dimensions, they enable efficient inspection of threaded inserts, verifying their compliance with UNC STI standards and specifications. The JBO Plug Gauges - UNC (STI) Wire Inserts allow for the measurement of pitch diameter, ensuring the proper fitment and functionality of threaded inserts.

Thread Form UNF (STI)
Size 5/16
Pitch 24
Gauge Type Plug Gauge (D/E)
Thread Direction Right Hand
Tolerance 3B
Calibration DAkkS Calibration Cert

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.

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Phone requests are handled quickly and without any fuss. The website is easy to use and straightforward to order from. It’s especially helpful that it shows real‑time availability, so we don’t need to call to confirm whether parts will arrive.
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Full Range: JBO Plug Gauge UNC Heli Coil - Right Hand - 3B - Calibrated (DAkkS Calibration)

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You are viewing JBO-512717. Click any other SKU to view its full details.

Product SKUThread FormSizePitchGauge TypeThread DirectionTolerancePriceStock Order
JBO-512689 No. 256£163.45 5 days
JBO-512692 No. 440£147.42 5 days
JBO-512694 No. 540£146.34 5 days
JBO-512695 No. 632£131.39 5 days
JBO-512697 No. 832£123.93 5 days
JBO-512687 No. 1024£121.77 5 days
JBO-512688 No. 1224£137.80 5 days
JBO-512700 1/420£121.77 5 days
JBO-512703 5/1618£131.39 5 days
JBO-512702 3/816£145.28 5 days
JBO-512699 1/213£237.16 5 days
JBO-512704 5/811£249.97 5 days
JBO-513095 No. 448£160.23 5 days
JBO-512707 No. 640£139.94 5 days
JBO-512709 No. 836£129.26 5 days
JBO-512705 No. 1032£121.77 5 days
JBO-512712 1/428£121.77 5 days
JBO-512716 5/1624£131.39 5 days
JBO-512715 3/824£145.28 5 days
JBO-513343 7/1620£179.47 5 days
JBO-512711 1/220£237.16 5 days
JBO-512718 5/818£246.78 5 days
JBO-512693 No. 440£229.67 5 days
JBO-512696 No. 632£206.18 5 days
JBO-512698 No. 832£195.48 5 days
JBO-512706 No. 1032£191.21 5 days
JBO-512713 1/428£191.21 5 days
JBO-512717 ViewingUNF (STI)5/1624Plug Gauge (D/E)Right Hand3B£207.24 5 days

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