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OSG Threading Tap NPT A-Spiral Flute - Powder Metal Right Hand -TiCN Coated - Blind Holes DIN5156 - 3/8 x 18
| Size | 3/8 |
| Pitch | 18 |
| Overall Length | 110 |
| Threading Length | 28 |
| Shank Diameter | 12 |
| Square | 9 |
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Engineered for precision pipe-threading in blind-hole applications, the OSG Threading Tap NPT A-Spiral Flute delivers dependable, high-quality NPT threads with every cut. This right-hand tap is built for machinists and shops that demand durability, consistent performance, and efficient chip evacuation in tight spaces.
- Thread Type: NPT (National Pipe Taper) threads designed for blind-hole applications
- Flute Design: A-Spiral flute for effective chip removal and reduced clogging during deep cuts
- Material: Powder metal substrate offering enhanced durability, wear resistance, and toughness
- Coating: TiCN coating provides excellent heat resistance and lowers friction for faster cutting
- Hole Type: Optimized for blind holes to ensure clean, accurate threads
- Drive: Right-hand threading for common NPT installations
- Size: 3/8" diameter, 18 TPI, DIN5156 standard
- Application: Suitable for a variety of materials requiring precise NPT threaded connections
This tap helps you achieve reliable sealing and precise engagement in NPT fittings, with extended tool life thanks to the TiCN coating and the robust powder-metal body. The combination of spiral flutes and a durable substrate supports consistent performance across production runs, even when working in confined blind-hole spaces.
| Size | 3/8 |
| Pitch | 18 |
| Overall Length | 110 |
| Threading Length | 28 |
| Shank Diameter | 12 |
| Square | 9 |
| Flutes | 4 |
| DIN | 5156 |
| Thread Direction | Right Hand |
| Substrate | Powder Metal |
| Coating | TiCN |
| Style | Spiral Flute |
| Form | NPT |
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 A-Spiral Flute - Powder Metal Right Hand -TiCN Coated - Blind Holes
View full collection →You are viewing OSG-48331800. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Overall Length | Shank Diameter | Flutes | DIN | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| OSG-48331500 | 1/16 | 27 | 90 | 6 | 3 | 5156 | £129.17 | 1-2 days | |
| OSG-48331600 | 1/8 | 27 | 90 | 7 | 3 | 5156 | £103.37 | In Stock | |
| OSG-48331700 | 1/4 | 18 | 100 | 11 | 3 | 5156 | £124.30 | In Stock | |
| OSG-48331800 Viewing | 3/8 | 18 | 110 | 12 | 4 | 5156 | £170.44 | 1-2 days | |
| OSG-48331900 | 1/2 | 14 | 125 | 16 | 4 | 5156 | £212.81 | In Stock | |
| OSG-48331000 | 3/4 | 14 | 140 | 20 | 4 | 5156 | £337.00 | 1-2 days | |
| OSG-48331100 | 1 | 11.5 | 160 | 25 | 4 | 5156 | £478.28 | 1-2 days |
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