JBO | Authorised UK Distributor
JBO Plug Gauge UNC Heli Coil

Right Hand - 3B - Calibrated (DAkkS Calibration)

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.

Starting from
£121.77
inc. VAT
In this range
28
products
In stock now
0
ready to dispatch
Browse all 28 products

Click any SKU to view full product details, specifications and datasheets.

Product SKU Size Pitch Price Stock Order
JBO-512689 No. 2 56 £163.45 5 days
JBO-512692 No. 4 40 £147.42 5 days
JBO-512694 No. 5 40 £146.34 5 days
JBO-512695 No. 6 32 £131.39 5 days
JBO-512697 No. 8 32 £123.93 5 days
JBO-512687 No. 10 24 £121.77 5 days
JBO-512688 No. 12 24 £137.80 5 days
JBO-512700 1/4 20 £121.77 5 days
JBO-512703 5/16 18 £131.39 5 days
JBO-512702 3/8 16 £145.28 5 days
JBO-512699 1/2 13 £237.16 5 days
JBO-512704 5/8 11 £249.97 5 days
JBO-513095 No. 4 48 £160.23 5 days
JBO-512707 No. 6 40 £139.94 5 days
JBO-512709 No. 8 36 £129.26 5 days
JBO-512705 No. 10 32 £121.77 5 days
JBO-512712 1/4 28 £121.77 5 days
JBO-512716 5/16 24 £131.39 5 days
JBO-512715 3/8 24 £145.28 5 days
JBO-513343 7/16 20 £179.47 5 days
JBO-512711 1/2 20 £237.16 5 days
JBO-512718 5/8 18 £246.78 5 days
JBO-512693 No. 4 40 £229.67 5 days
JBO-512696 No. 6 32 £206.18 5 days
JBO-512698 No. 8 32 £195.48 5 days
JBO-512706 No. 10 32 £191.21 5 days
JBO-512713 1/4 28 £191.21 5 days
JBO-512717 UNF (STI) 5/16 £207.24 5 days
Service & Support

Built around the way engineers work

Fast dispatch, clear delivery options and a friendly technical team on the end of the phone.

Dispatch Hours

Orders dispatched Monday to Friday between 8am and 5pm (4:30pm on Fridays).

  • Mon – Thurs8:00 – 17:00
  • Friday8:00 – 16:30
  • Sat & SunClosed

UK Delivery

FREE next day delivery on mainland UK orders over £50 ex VAT
ServiceCost
Royal Mail Tracked 24£5.90
DPD Standard Next Day£8.00
Royal Mail Special Delivery by 1pm£12.50
DPD Saturday Delivery£25.00

Saturday delivery available on orders placed before 4pm Friday. T&Cs and geographical exclusions apply (Republic of Ireland, Northern Ireland, Scottish Highlands, Channel Islands & others) — see our delivery page for full details.

Need Technical Help?

Our specialist team can advise on tooling choice, specifications and compatibility.

01732 887334 info@protool-ltd.co.uk
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30