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OSG Threading Tap - UNC Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - No. 8 x 32
| Form | UNC |
| Size | No. 8 |
| Pitch | 32 |
| Flute Length | 13 |
| Shank Diameter | 4.5 |
| Overall Length | 53 |
Learn more about Klarna
The OSG UNC Spiral Flute Threading Tap No. 8 x 32 is a precision internal-threading tool designed for metalworking professionals who need clean, accurate threads in blind-hole applications.
- Thread size: No. 8 x 32 UNC
- Flute design: Spiral flute for efficient chip evacuation in blind-hole tapping
- Material: HSS-E (high-speed steel with cobalt) for durability and heat resistance
- Coating: Steam oxide finish to boost wear resistance and lubricity
- Application: Intended for tapping internal threads in blind holes
- Compatibility: UNC threading standard (No. 8-32)
This tap is built to deliver consistent thread quality under demanding conditions. The spiral flute design minimizes chip buildup, reducing heat and binding during deep or narrow-hole tapping. The HSS-E cobalt composition provides strength and heat tolerance, while the steam oxide coating extends tool life by reducing wear and galling. Rely on this tool for precise, repeatable threads that meet the needs of critical assemblies and repeatable machining tasks.
| Form | UNC |
| Size | No. 8 |
| Pitch | 32 |
| Flute Length | 13 |
| Shank Diameter | 4.5 |
| Overall Length | 53 |
| 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 - UNC Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole
View full collection →You are viewing OSG-23204644. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Flute Length | Shank Diameter | Overall Length | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| OSG-23204574 | No. 4 | 40 | 11 | 3.15 | 48 | £79.95 | 1-2 days | |
| OSG-23204594 | No. 5 | 40 | 11 | 3.15 | 48 | £79.95 | 1-2 days | |
| OSG-23204614 | No. 6 | 32 | 13 | 3.55 | 50 | £48.33 | In Stock | |
| OSG-23204644 Viewing | No. 8 | 32 | 13 | 4.5 | 53 | £48.33 | In Stock | |
| OSG-23204664 | No. 10 | 24 | 16 | 5 | 58 | £48.33 | 1-2 days | |
| OSG-23204714 | 1/4 | 20 | 19 | 6.3 | 66 | £39.97 | In Stock | |
| OSG-23204744 | 5/16 | 18 | 22 | 8 | 72 | £46.41 | 1-2 days | |
| OSG-23204794 | 3/8 | 16 | 24 | 10 | 80 | £59.10 | In Stock | |
| OSG-23204894 | 1/2 | 13 | 29 | 9 | 89 | £83.26 | In Stock |
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