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
BA Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole
OSG's BA spiral flute taps cut British Association threads - the small precision sizes used in instruments and electronics - and pull the chip back up out of the hole as they go, which suits a blind hole where the chip has nowhere else to escape. HSS-E cobalt steel with a steam oxide coating. All held in UK stock.
Click any SKU to view full product details, specifications and datasheets.
| Product SKU | Size | Flute Length | Shank Diameter | Overall Length | Price | Stock | Order |
|---|---|---|---|---|---|---|---|
| OSG-22209100 | 0BA | 19 | 6.3 | 66 | £24.43 | In Stock |
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| OSG-22209110 | 1BA | 17 | 5.6 | 62 | £35.68 | In Stock |
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| OSG-22209120 | 2BA | 16 | 5 | 58 | £22.97 | In Stock |
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| OSG-22209130 | 3BA | 13 | 4.5 | 53 | £35.68 | In Stock |
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| OSG-22209140 | 4BA | 13 | 3.55 | 50 | £22.97 | In Stock |
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| OSG-22209150 | 5BA | 11 | 3.15 | 48 | £35.68 | In Stock |
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| OSG-22209160 | 6BA | 9.5 | 2.8 | 44.5 | £25.90 | In Stock |
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| OSG-22209170 | 7BA | 9.5 | 2.8 | 44.5 | £57.66 | 1-2 days |
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| OSG-22209180 | 8BA | 9.5 | 2.8 | 44.5 | £39.13 | In Stock |
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| OSG-22209190 | 9BA | 8 | 2.5 | 41 | £108.51 | 1-2 days |
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| OSG-22209200 | 10BA | 8 | 2.5 | 41 | £80.17 | 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
