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OSG Threading Tap - NPT Spiral Point HSS-E - Steam Oxide Coated - Through Hole - 1/8 x 27
| Form | NPT |
| Size | 1/8 |
| Pitch | 27 |
| Flute Length | 0.75 |
| Shank Diameter | 0.318 |
| Overall Length | 2.1/8 |
Learn more about Klarna
The OSG NPT Spiral Point Threading Tap is a precision tool designed for through-hole NPT threading, delivering accurate internal threads with durable performance in metalworking environments.
- Thread type: Spiral point geometry engineered for NPT through-hole tapping, promoting swift chip evacuation and clean start-up of threads.
- Size: 1/8 x 27 NPT (1/8" nominal size, 27 threads per inch) for standard American pipe-thread connections.
- Material: HSS-E (high-speed steel with cobalt) for enhanced hardness and wear resistance under cutting conditions.
- Coating: Steam Oxide coating reduces friction and improves heat resistance, contributing to longer tool life.
- Application: Specifically optimized for through-hole applications, ensuring reliable internal threads in a range of metals.
With this tap, achieve consistent, precise NPT threads and extended cutting life in one reliable tool. The combination of cobalt-enriched HSS and a protective steam oxide finish helps maintain sharpness and reduce galling, making it a dependable choice for regular NPT threading tasks in workshops and production environments.
| Form | NPT |
| Size | 1/8 |
| Pitch | 27 |
| Flute Length | 0.75 |
| Shank Diameter | 0.318 |
| Overall Length | 2.1/8 |
| Substrate | HSS-E |
| Style | Spiral Point |
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 - NPT Spiral Point HSS-E - Steam Oxide Coated - Through Hole
View full collection →You are viewing OSG-22628764. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Flute Length | Shank Diameter | Overall Length | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| OSG-22628764 Viewing | 1/8 | 27 | 0.75 | 0.318 | 2.1/8 | £69.52 | In Stock | |
| OSG-22628774 | 1/4 | 18 | 1.1/16 | 0.429 | 2.7/16 | £95.62 | In Stock | |
| OSG-22628784 | 3/8 | 18 | 1.1/16 | 5.542 | 3.3/16 | £112.98 | In Stock | |
| OSG-22628794 | 1/2 | 14 | 1.3/8 | 0.687 | 3.1/8 | £139.05 | In Stock | |
| OSG-22628804 | 3/4 | 14 | 1.3/8 | 0.906 | 3.1/4 | £201.63 | 1-2 days | |
| OSG-22628814 | 1 | 11.5 | 1.3/4 | 1.125 | 3.3/4 | £272.89 | 1-2 days |
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