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OSG Threading Tap - BA Spiral Point HSS-E - Steam Oxide Coated - Through Hole - 13BA
| Form | BA |
| Size | 13BA |
| Flute Length | 8 |
| Shank Diameter | 2.5 |
| Overall Length | 38.5 |
| Substrate | HSS-E |
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Meet the OSG BA Spiral Point Threading Tap—built for precise BA thread production in through-hole applications. Designed for machinists and technicians working on small, high-precision assemblies, it delivers clean threads with dependable longevity.
- Thread Size / Type: 13BA through-hole British Association thread, ideal for tapping compact components.
- Material: HSS‑E (high‑speed steel with cobalt) for improved hardness, heat resistance, and long tool life.
- Coating: Steam oxide coating reduces friction and provides added corrosion resistance, aiding smoother cuts and easier cleaning.
- Geometry: Spiral point design facilitates positive chip evacuation, helping to prevent chip packing in through-holes.
- Application: Specifically engineered for through-hole tapping, delivering accurate threads with stable performance.
- Compatibility: Suitable for use with standard tapping operations on CNC mills and drill presses.
This tap combines durable cobalt-enhanced steel with a lubricious coating to deliver consistent thread quality, even under higher temperatures. The spiral point geometry pushes chips ahead, reducing the risk of snagging and cross-threading in through-hole work. Ideal for precision instrument housings, small-fastener assemblies, and electronics enclosures where BA thread accuracy matters. For best results, maintain proper lubrication, use suitable drill pilot sizes for 13BA, and avoid excessive cutting speeds to maximize tool life and thread precision.
| Form | BA |
| Size | 13BA |
| Flute Length | 8 |
| Shank Diameter | 2.5 |
| Overall Length | 38.5 |
| Substrate | HSS-E |
| Style | Spiral Point |
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We are open Monday to Friday between 8:30am and 5pm.
Do you offer Free Next Day delivery?
Yes! We offer Free Next Day delivery via Royal Mail Tracked 24 on all orders over £50 ex VAT*. We also offer Free DPD Local Next Day delivery on all orders over £100 ex VAT*.
We also offer the following:
- Royal Mail Tracked 24 — £5.90 (FREE on orders over £50 ex VAT*). Order before 4:30pm for next day delivery. No signature required.
- DPD Local Next Day — £8.00 (FREE on orders over £100 ex VAT*). Standard next day delivery to UK mainland addresses.
- Royal Mail Special Delivery — £12.50. Guaranteed delivery before 1pm the next working day.
- DPD Saturday Delivery — £25.00. Must be ordered on Friday before 4pm. Pre-12pm delivery.
For delivery to Scottish Highlands & Islands, Northern Ireland, Republic of Ireland, or overseas locations, additional charges apply. Please see our delivery page for full details, or call us on 01732 887 334.
*T's & C's and exclusions apply. Please see our delivery page for more information on all our services.
Full Range: OSG Threading Taps - BA Spiral Point HSS-E - Steam Oxide Coated - Through Hole
View full collection →You are viewing OSG-22109230. Click any other SKU to view its full details.
| Product SKU | Size | Flute Length | Shank Diameter | Overall Length | Price | Stock | Order |
|---|---|---|---|---|---|---|---|
| OSG-22109100 | 0BA | 19 | 6.3 | 66 | £15.63 | In Stock | |
| OSG-22109110 | 1BA | 17 | 5.6 | 62 | £26.48 | In Stock | |
| OSG-22109120 | 2BA | 16 | 5 | 58 | £16.09 | In Stock | |
| OSG-22109130 | 3BA | 13 | 4.5 | 53 | £26.48 | 1-2 days | |
| OSG-22109140 | 4BA | 13 | 3.55 | 50 | £16.09 | In Stock | |
| OSG-22109150 | 5BA | 11 | 3.15 | 48 | £26.48 | In Stock | |
| OSG-22109160 | 6BA | 9.5 | 2.8 | 44.5 | £18.26 | In Stock | |
| OSG-22109170 | 7BA | 9.5 | 2.8 | 44.5 | £39.97 | In Stock | |
| OSG-22109180 | 8BA | 9.5 | 2.8 | 44.5 | £27.80 | In Stock | |
| OSG-22109190 | 9BA | 8 | 2.5 | 41 | £76.03 | 1-2 days | |
| OSG-22109200 | 10BA | 8 | 2.5 | 41 | £55.62 | In Stock | |
| OSG-22109210 | 11BA | 8 | 2.5 | 40 | £126.02 | 1-2 days | |
| OSG-22109220 | 12BA | 8 | 2.5 | 40 | £103.41 | In Stock | |
| OSG-22109230 Viewing | 13BA | 8 | 2.5 | 38.5 | £151.22 | 1-2 days | |
| OSG-22109240 | 14BA | 8 | 2.5 | 38.5 | £151.22 | 1-2 days |
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