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
UNF Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole
OSG's UNF spiral flute taps cut Unified National Fine threads and pull the chip back up out of the hole as they go, which is what a blind hole needs. HSS-E cobalt steel with a steam oxide black-oxide coating. All held in UK stock.
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-22204544 | No. 2 | 64 | 9.8 | 2.8 | 44.5 | £61.26 | In Stock |
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| OSG-22204564 | No. 3 | 56 | 9.5 | 2.8 | 44.5 | £61.26 | 1-2 days |
|
| OSG-22204584 | No. 4 | 48 | 11 | 3.15 | 48 | £39.97 | In Stock |
|
| OSG-22204604 | No. 5 | 44 | 11 | 3.15 | 48 | £39.97 | In Stock |
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| OSG-22204624 | No. 6 | 40 | 13 | 3.55 | 50 | £24.13 | In Stock |
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| OSG-22204654 | No. 8 | 36 | 13 | 4.5 | 53 | £24.13 | In Stock |
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| OSG-22204674 | No. 10 | 32 | 16 | 5 | 58 | £24.13 | In Stock |
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| OSG-22204694 | No. 12 | 28 | 17 | 5.6 | 62 | £29.55 | In Stock |
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| OSG-22204724 | 1/4 | 28 | 19 | 6.3 | 66 | £20.00 | In Stock |
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| OSG-22204764 | 5/16 | 24 | 22 | 8 | 72 | £23.19 | In Stock |
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| OSG-22204814 | 3/8 | 24 | 24 | 10 | 80 | £29.55 | In Stock |
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| OSG-22204864 | 7/16 | 20 | 25 | 8 | 85 | £41.11 | In Stock |
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| OSG-22204914 | 1/2 | 20 | 29 | 9 | 89 | £41.63 | In Stock |
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| OSG-22204964 | 9/16 | 18 | 30 | 11.2 | 95 | £53.03 | In Stock |
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| OSG-22205044 | 5/8 | 18 | 32 | 12.5 | 102 | £61.69 | In Stock |
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| OSG-22205174 | 3/4 | 16 | 37 | 14 | 112 | £92.73 | In Stock |
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| OSG-22205284 | 7/8 | 14 | 38 | 16 | 118 | £128.64 | In Stock |
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| OSG-22205394 | 1 | 12 | 45 | 18 | 130 | £154.71 | In Stock |
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| OSG-22205534 | 1.1/8 | 12 | 48 | 20 | 138 | £265.95 | In Stock |
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| OSG-22205664 | 1.1/4 | 12 | 51 | 22.4 | 151 | £338.98 | 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
