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
UNC Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole
Achieve precise threading with the OSG UNC Spiral Flute Threading Tap. Crafted from high-speed steel with cobalt (HSS-E) and featuring a durable Steam Oxide coating, this tap ensures exceptional durability and heat resistance. The spiral flute design is optimized for efficient chip evacuation, making it ideal for blind hole applications. Rely on OSG’s advanced threading technology to deliver high-quality, accurate threads and extended tool life, meeting the demands of your critical machining tasks.
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-22204534 | No. 2 | 56 | 9.5 | 2.8 | 44.5 | £64.30 | In Stock |
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| OSG-22204554 | No. 3 | 48 | 9.5 | 2.8 | 44.5 | £64.30 | In Stock |
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| OSG-22204574 | No. 4 | 40 | 11 | 3.15 | 48 | £39.97 | In Stock |
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| OSG-22204594 | No. 5 | 40 | 11 | 3.15 | 48 | £39.97 | 1-2 days |
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| OSG-22204614 | No. 6 | 32 | 13 | 3.55 | 50 | £24.13 | In Stock |
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| OSG-22204644 | No. 8 | 32 | 13 | 4.5 | 53 | £24.13 | In Stock |
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| OSG-22204664 | No. 10 | 24 | 16 | 5 | 58 | £24.13 | In Stock |
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| OSG-22204684 | No. 12 | 24 | 17 | 5.6 | 62 | £29.55 | 1-2 days |
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| OSG-22204714 | 1/4 | 20 | 19 | 6.3 | 66 | £20.00 | In Stock |
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| OSG-22204744 | 5/16 | 18 | 22 | 8 | 72 | £23.19 | In Stock |
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| OSG-22204794 | 3/8 | 16 | 24 | 10 | 80 | £29.55 | In Stock |
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| OSG-22204844 | 7/16 | 14 | 25 | 8 | 85 | £41.11 | In Stock |
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| OSG-22204894 | 1/2 | 13 | 29 | 9 | 89 | £41.63 | In Stock |
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| OSG-22204944 | 9/16 | 12 | 30 | 11.2 | 95 | £53.03 | In Stock |
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| OSG-22205014 | 5/8 | 11 | 32 | 12.5 | 102 | £61.69 | In Stock |
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| OSG-22205154 | 3/4 | 10 | 37 | 14 | 112 | £92.73 | In Stock |
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| OSG-22205264 | 7/8 | 9 | 38 | 16 | 118 | £128.64 | In Stock |
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| OSG-22205384 | 1 | 8 | 45 | 18 | 130 | £154.71 | In Stock |
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| OSG-22205514 | 1.1/8 | 7 | 48 | 20 | 138 | £265.95 | 1-2 days |
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| OSG-22205644 | 1.1/4 | 7 | 51 | 22.4 | 151 | £338.98 | In Stock |
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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
