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Europa Threading Tap - Spiral Flute - UNF - HSS-E - Green Ring - 5/8 x 18
| Style | Spiral Flute |
| Form | UNF |
| Size | 5/8 |
| Pitch | 18 |
| Tolerance | 2B |
| Thread Direction | Right Hand |
Learn more about Klarna
The Europa Threading Tap is a precision-cut tool designed for engineers and machinists who need reliable internal threads in UNF applications. Crafted from cobalt-enhanced high-speed steel, it pairs durability with consistent performance in demanding industrial tasks.
- Thread format: Spiral flute design optimized for UNF threading (5/8-18) to promote efficient cutting and smooth chip evacuation.
- Material: HSS-E (high-speed steel with cobalt) for exceptional hardness and wear resistance in tough metals.
- Identification: Green ring marks the specialized configuration for quick recognition in busy workshops.
- Size: 5/8 in diameter with 18 threads per inch (5/8 x 18 UNF).
- Construction: Precision-ground geometry crafted to deliver accurate, clean threads with reliable repeatability.
When threading hard metals or dense alloys, this tap provides dependable results—from prototyping to production runs. The spiral flute aids chip clearance to minimize binding and deflection, helping maintain alignment and thread quality across multiple passes. The HSS-E composition extends tool life under demanding use, while the green identification ring reduces setup time on busy shop floors. Designed for real-world machining needs, it empowers engineers to achieve precise internal threads with confidence and efficiency.
| Style | Spiral Flute |
| Form | UNF |
| Size | 5/8 |
| Pitch | 18 |
| Tolerance | 2B |
| Thread Direction | Right Hand |
| Substrate | HSS-E |
| Materials | Stainless Steels & General Steels |
| Shank Diameter | 12 |
| Overall Length | 110 |
| Flute Length | 22 |
| Square | 9 |
| Drill Diameter | 13.5 |
| Finish | VAP |
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: Europa Threading Taps - Spiral Flute - UNF - HSS-E - Green Ring
View full collection →You are viewing TM68309400. Click any other SKU to view its full details.
| Product SKU | Size | Pitch | Shank Diameter | Overall Length | Flute Length | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| TM68300400 | No. 4 | 48 | 3.5 | 56 | 6 | £20.46 | 1-2 days | |
| TM68300500 | No. 5 | 44 | 3.5 | 56 | 7 | £16.35 | 1-2 days | |
| TM68300600 | No. 6 | 40 | 4 | 56 | 7 | £16.64 | 1-2 days | |
| TM68300800 | No. 8 | 36 | 4.5 | 63 | 8 | £16.64 | 1-2 days | |
| TM68301000 | No. 10 | 32 | 6 | 70 | 10 | £16.91 | 1-2 days | |
| TM68301200 | No. 12 | 28 | 6 | 80 | 10 | £16.64 | 1-2 days | |
| TM68309160 | 1/4 | 28 | 7 | 80 | 13 | £16.10 | 1-2 days | |
| TM68309200 | 5/16 | 24 | 8 | 90 | 14 | £17.92 | 1-2 days | |
| TM68309240 | 3/8 | 24 | 9 | 100 | 16 | £20.62 | 1-2 days | |
| TM68309280 | 7/16 | 20 | 8 | 100 | 17 | £25.71 | 1-2 days | |
| TM68309320 | 1/2 | 20 | 9 | 110 | 20 | £25.55 | 1-2 days | |
| TM68309360 | 9/16 | 18 | 11 | 110 | 20 | £28.76 | 1-2 days | |
| TM68309400 Viewing | 5/8 | 18 | 12 | 110 | 22 | £36.50 | 1-2 days | |
| TM68309480 | 3/4 | 16 | 14 | 125 | 25 | £52.63 | 1-2 days | |
| TM68309560 | 7/8 | 14 | 18 | 140 | 27 | £60.62 | 1-2 days | |
| TM68309640 | 1 | 12 | 18 | 160 | 30 | £77.99 | 1-2 days |
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