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
The JBO Thread Mills GF for NPTF (National Pipe Taper Fuel) threads with through coolant feature is a specialized tool designed for precision threading operations in pipe fittings and connections. NPTF threads are used in applications where a leak-tight seal is required, such as in hydraulic and pneumatic systems. These thread mills are specifically designed to meet the stringent requirements of NPTF thread specifications and are equipped with a through coolant system that ensures efficient chip evacuation and cooling during the machining process. The through coolant capability helps maintain optimal cutting conditions by dissipating heat and preventing chip build-up, resulting in extended tool life and improved machining performance. With their high-quality construction and sharp cutting edges, these thread mills deliver accurate and reliable results, meeting the demanding standards of NPTF threading applications.

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Fast dispatch, clear delivery options and a friendly technical team on the end of the phone.
Orders dispatched Monday to Friday between 8am and 5pm (4:30pm on Fridays).
| Service | Cost |
|---|---|
| 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.
If an item isn't right, sending it back is simple and hassle-free.
Read our returns policy →Our specialist team can advise on tooling choice, specifications and compatibility.
01732 887334 info@protool-ltd.co.uk