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OSG Threading Tap - BSW Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - 1 x 8
| Form | BSW |
| Size | 1 |
| Pitch | 8 |
| Flute Length | 45 |
| Shank Diameter | 18 |
| Overall Length | 130 |
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Precision threading tap designed for blind-hole BSW applications, built with HSS-E cobalt for durability and heat resistance, and finished with a Steam Oxide coating to extend tool life.
- Thread type: BSW (British Standard Whitworth) threading for 1 x 8 size, optimized for accurate British-style threads
- Material: HSS‑E (high‑speed steel with cobalt) for enhanced hardness and wear resistance during demanding cuts
- Coating: Steam Oxide coating to reduce friction, improve wear resistance, and aid chip control
- Flute design: Spiral flute geometry engineered for efficient chip evacuation in blind holes, helping prevent clogging and heat buildup
- Application: Ideal for threading in blind-hole situations across steel, cast iron, and alloy metals
- Size: 1 x 8 (diameter x thread pitch), suitable for precise, repeatable results
- Technology: Leverages OSG’s advanced threading technology for consistently high-quality, accurate threads and extended tool life
This OSG threading tap is crafted for professionals who need dependable performance in tight, hard-to-reach pockets. The combination of HSS‑E, Steam Oxide coating, and the spiral flute design delivers clean, accurate threads with reduced risk of tool wear, making it a reliable choice for critical machining tasks and routine blind-hole work alike.
| Form | BSW |
| Size | 1 |
| Pitch | 8 |
| Flute Length | 45 |
| Shank Diameter | 18 |
| Overall Length | 130 |
| Substrate | HSS-E |
| Style | Spiral Flute |
What time are Protool open?
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 - BSW Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole
View full collection →You are viewing OSG-22207154. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Flute Length | Shank Diameter | Overall Length | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| OSG-22207024 | 1/8 | 40 | 11 | 3.15 | 48 | £46.05 | 1-2 days | |
| OSG-22207034 | 5/32 | 32 | 13 | 4 | 53 | £55.62 | 1-2 days | |
| OSG-22207044 | 3/16 | 24 | 16 | 5 | 58 | £27.80 | In Stock | |
| OSG-22207054 | 7/32 | 24 | 17 | 5.6 | 62 | £38.67 | 1-2 days | |
| OSG-22207064 | 1/4 | 20 | 19 | 6.3 | 66 | £24.23 | In Stock | |
| OSG-22207544 | 9/32 | 20 | 22 | 8 | 72 | £53.01 | 1-2 days | |
| OSG-22207074 | 5/16 | 18 | 24 | 10 | 80 | £26.94 | In Stock | |
| OSG-22207084 | 3/8 | 16 | 25 | 8 | 85 | £33.18 | In Stock | |
| OSG-22207094 | 7/16 | 14 | 29 | 9 | 89 | £46.91 | In Stock | |
| OSG-22207104 | 1/2 | 12 | 30 | 11.2 | 95 | £47.36 | In Stock | |
| OSG-22207114 | 9/16 | 12 | 32 | 12.5 | 102 | £62.59 | 1-2 days | |
| OSG-22207124 | 5/8 | 11 | 37 | 14 | 112 | £71.26 | In Stock | |
| OSG-22207134 | 3/4 | 10 | 37 | 14 | 112 | £106.89 | In Stock | |
| OSG-22207144 | 7/8 | 9 | 38 | 16 | 118 | £147.77 | In Stock | |
| OSG-22207154 Viewing | 1 | 8 | 45 | 18 | 130 | £175.57 | 1-2 days | |
| OSG-22207164 | 1.1/8 | 7 | 37 | 20 | 127 | £305.92 | 1-2 days | |
| OSG-22207174 | 1.1/4 | 7 | 37 | 22 | 137 | £389.36 | In Stock |
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