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
OSG
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Authorised UK Distributor
OSG Threading Taps
NPT Spiral Point HSS-E - Steam Oxide Coated - Through Hole
Maximize threading efficiency with the OSG NPT Spiral Point Threading Tap. Constructed from high-speed steel with cobalt (HSS-E) and featuring a robust Steam Oxide coating, this tap ensures exceptional durability and heat resistance. The spiral point design facilitates swift chip evacuation, making it ideal for through-hole applications. Count on OSG’s precision engineering to deliver high-quality, precise threads and extended tool life, ensuring superior performance for your machining needs.
Browse all 6 products
Click any SKU to view full product details, specifications and datasheets.
| Product SKU | Size | Pitch | Flute Length | Shank Diameter | Overall Length | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| OSG-22628764 | 1/8 | 27 | 0.75 | 0.318 | 2.1/8 | £69.52 | In Stock |
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| OSG-22628774 | 1/4 | 18 | 1.1/16 | 0.429 | 2.7/16 | £95.62 | In Stock |
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| OSG-22628784 | 3/8 | 18 | 1.1/16 | 5.542 | 3.3/16 | £112.98 | In Stock |
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| OSG-22628794 | 1/2 | 14 | 1.3/8 | 0.687 | 3.1/8 | £139.05 | In Stock |
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| OSG-22628804 | 3/4 | 14 | 1.3/8 | 0.906 | 3.1/4 | £201.63 | 1-2 days |
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| OSG-22628814 | 1 | 11.5 | 1.3/4 | 1.125 | 3.3/4 | £272.89 | 1-2 days |
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Built around the way engineers work
Fast dispatch, clear delivery options and a friendly technical team on the end of the phone.
UK Delivery
FREE next day delivery on mainland UK orders over £50 ex VAT
| 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.
Easy Returns
If an item isn't right, sending it back is simple and hassle-free.
Read our returns policy →Need Technical Help?
Our specialist team can advise on tooling choice, specifications and compatibility.
01732 887334 info@protool-ltd.co.ukMon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30
