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OSG Threading Tap Metric A-Spiral Flute - Powder Metal Right Hand -TiCN Coated - Blind Holes DIN376 - M20 x 2.5
| Size | M20 |
| Pitch | 2.5 |
| Overall Length | 140 |
| Threading Length | 25 |
| Shank Diameter | 16 |
| Square | 12 |
Learn more about Klarna
The OSG Threading Tap Metric A-Spiral Flute is a high-performance right-hand tap designed for precision threading of blind holes in metal parts. Made from durable powder metal and TiCN-coated for extended life, it delivers reliable, repeatable threads for demanding production environments.
- Flute design: A-Spiral flute improves chip evacuation in deep or blind holes, reducing clogging and breakage.
- Material: Powder metal construction combines toughness with wear resistance for long tool life.
- Coating: TiCN coating increases surface hardness and lowers friction, enhancing performance at high speeds.
- Thread orientation: Right-hand thread for standard metric tapping applications.
- Size: M20 x 2.5 with DIN 376 compatibility for consistent threading in the target range.
- Application: Optimized for tapping blind holes across a variety of metals and alloys.
The TiCN-coated, powder-metal tap delivers durable performance in repetitive production tasks, helping you maintain tight tolerances and clean thread profiles in challenging blind-hole work. The A-spiral flute design accelerates chip removal, enabling smooth, accurate threads even in deeper holes. With its robust construction and corrosion-resistant coating, this tap supports higher cutting speeds and longer intervals between tool changes, reducing downtime and improving overall productivity.
| Size | M20 |
| Pitch | 2.5 |
| Overall Length | 140 |
| Threading Length | 25 |
| Shank Diameter | 16 |
| Square | 12 |
| Flutes | 4 |
| DIN | 376 |
| Thread Direction | Right Hand |
| Substrate | Powder Metal |
| Coating | TiCN |
| Style | Spiral Flute |
| Form | Metric |
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We are open Monday to Friday between 8:30am and 5pm.
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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 Metric A-Spiral Flute - Powder Metal Right Hand -TiCN Coated - Blind Holes
View full collection →You are viewing OSG-48139228. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Overall Length | Shank Diameter | Flutes | DIN | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| OSG-48139111 | M1 | 0.25 | 40 | 2.5 | 2 | 371 | £48.74 | In Stock | |
| OSG-48139112 | M1.1 | 0.25 | 40 | 2.5 | 2 | 371 | £50.20 | 1-2 days | |
| OSG-48139113 | M1.2 | 0.25 | 40 | 2.5 | 2 | 371 | £50.20 | In Stock | |
| OSG-48139115 | M1.4 | 0.3 | 40 | 2.5 | 2 | 371 | £43.63 | In Stock | |
| OSG-48139118 | M1.6 | 0.35 | 40 | 2.5 | 2 | 371 | £43.63 | In Stock | |
| OSG-48139119 | M1.7 | 0.35 | 40 | 2.5 | 2 | 371 | £40.84 | In Stock | |
| OSG-48139120 | M1.8 | 0.35 | 40 | 2.5 | 2 | 371 | £40.84 | In Stock | |
| OSG-48139125 | M2 | 0.4 | 45 | 2.8 | 2 | 371 | £36.21 | In Stock | |
| OSG-48139127 | M2.2 | 0.45 | 45 | 2.8 | 2 | 371 | £35.55 | In Stock | |
| OSG-48139128 | M2.3 | 0.4 | 45 | 2.8 | 2 | 371 | £35.55 | In Stock | |
| OSG-48139133 | M2.5 | 0.45 | 50 | 2.8 | 2 | 371 | £35.91 | In Stock | |
| OSG-48139136 | M2.6 | 0.45 | 50 | 2.8 | 2 | 371 | £33.27 | In Stock | |
| OSG-48139138 | M3 | 0.5 | 56 | 3.5 | 3 | 371 | £31.52 | In Stock | |
| OSG-48139142 | M3.5 | 0.6 | 56 | 4 | 3 | 371 | £36.61 | In Stock | |
| OSG-48139144 | M4 | 0.7 | 63 | 4.5 | 3 | 371 | £32.48 | In Stock | |
| OSG-48139147 | M4.5 | 0.75 | 70 | 6 | 3 | 371 | £37.92 | In Stock | |
| OSG-48139149 | M5 | 0.8 | 70 | 6 | 3 | 371 | £33.15 | In Stock | |
| OSG-48139152 | M5.5 | 0.9 | 80 | 6 | 3 | 371 | £50.30 | In Stock | |
| OSG-48139155 | M6 | 1 | 80 | 6 | 3 | 371 | £33.47 | In Stock | |
| OSG-48139158 | M7 | 1 | 80 | 7 | 3 | 371 | £49.52 | In Stock | |
| OSG-48139161 | M8 | 1.25 | 90 | 8 | 3 | 371 | £40.15 | In Stock | |
| OSG-48139165 | M9 | 1.25 | 90 | 9 | 3 | 371 | £39.00 | In Stock | |
| OSG-48139169 | M10 | 1.5 | 100 | 10 | 3 | 371 | £48.92 | In Stock | |
| OSG-48139139 | M3 | 0.5 | 56 | 2.2 | 3 | 376 | £51.65 | In Stock | |
| OSG-48139185 | M4 | 0.7 | 63 | 2.8 | 3 | 376 | £46.72 | In Stock | |
| OSG-48139150 | M5 | 0.8 | 70 | 3.5 | 3 | 376 | £51.50 | In Stock | |
| OSG-48139187 | M6 | 1 | 80 | 4.5 | 3 | 376 | £55.63 | In Stock | |
| OSG-48139159 | M7 | 1 | 80 | 5.5 | 3 | 376 | £60.83 | In Stock | |
| OSG-48139188 | M8 | 1.25 | 90 | 6 | 3 | 376 | £60.83 | In Stock | |
| OSG-48139166 | M9 | 1.25 | 90 | 7 | 3 | 376 | £49.24 | In Stock | |
| OSG-48139189 | M10 | 1.5 | 100 | 7 | 3 | 376 | £53.35 | In Stock | |
| OSG-48139175 | M11 | 1.5 | 100 | 8 | 3 | 376 | £54.42 | In Stock | |
| OSG-48139179 | M12 | 1.75 | 110 | 9 | 3 | 376 | £61.43 | In Stock | |
| OSG-48139191 | M14 | 2 | 110 | 11 | 3 | 376 | £72.79 | In Stock | |
| OSG-48139202 | M16 | 2 | 110 | 12 | 3 | 376 | £85.55 | In Stock | |
| OSG-48139214 | M18 | 2.5 | 125 | 14 | 4 | 376 | £115.97 | In Stock | |
| OSG-48139228 Viewing | M20 | 2.5 | 140 | 16 | 4 | 376 | £137.11 | In Stock | |
| OSG-48139238 | M22 | 2.5 | 140 | 18 | 4 | 376 | £149.98 | In Stock | |
| OSG-48139247 | M24 | 3 | 160 | 18 | 4 | 376 | £184.14 | In Stock |
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